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Category: Tips

25Mar

How to Grow Plankton in Shrimp Ponds

There are several practical and easy ways to grow plankton in shrimp ponds. Plankton is an important component during vannamei shrimp cultivation because of its many benefits for shrimp survival.

Naturally, vannamei shrimp ponds contain a lot of plankton. These organisms play an essential role in pond ecology and affect water quality. However, under certain conditions, plankton can also bring problems in cultivation.

Plankton is very diverse, some of which can grow in almost any type of water. However, some are only able to grow in certain environmental conditions. Here’s how to grow plankton in shrimp ponds practically and efficiently.

Also Read: Partial Harvest of Vannamei Shrimp and Its Benefits to Increase Profits

How to Grow Plankton in Shrimp Ponds

1. Add Dolomitic Limestone

The first way to grow plankton in shrimp ponds is to add dolomite lime (CaCO3). Dolomite lime increases the alkalinity of pond water, which is used by nitrifying bacteria to convert ammonia (NH3) to nitrate (NO3), which plankton can use to grow.

2. Add Fermentation

Adding fermentation, such as molasses, can also be another way to grow plankton in shrimp ponds. The existence of this fermented material helps accelerate the growth of plankton in your vannamei shrimp pond.

3. Creating the Right Environmental Conditions for Plankton Growth

Plankton requires special conditions to grow in pond waters. Phytoplankton needs sunlight, nutrients, and carbon dioxide to grow. Meanwhile, zooplankton requires an adequate food source, oxygen, and appropriate water temperature.

To encourage the growth of phytoplankton and zooplankton in ponds, it is crucial to maintain a balance of ecosystems that provide the right amounts of these essential elements.

4. Controlling Nutrition Levels

Nutrient levels in shrimp ponds can have a significant impact on plankton growth. High levels of nutrients such as nitrogen and phosphorus can lead to high algae growth, while low levels of nutrients can result in poor phytoplankton growth rates.

Also Read: This is the Ideal Vannamei Shrimp Pond Design and Construction

Potential Adverse Effects of Plankton on Shrimp Ponds

Although plankton has many benefits, excess amounts of plankton can have negative impacts. For example, at night, in ponds with dense phytoplankton, the respiration of phytoplankton and other organisms can lead to low dissolved oxygen concentrations, suppressing or killing cultured species.

In addition, in ponds with low aeration or even no aeration at all, the presence of high plankton can reduce the depth of visibility under the pond water, which can cause dissolved oxygen concentrations at night to be too low.

Meanwhile, during the day, vannamei shrimp ponds with too many phytoplankton concentrations can cause the water pH to be too high. This is because phytoplankton carries out photosynthesis during the day and can drain water from existing free carbon dioxide.

Also Read: Benefits of Molasses and Tips on Using It for Shrimp Ponds

Choose DELOS for your Shrimp Farm Management!

How to grow plankton in vannamei shrimp ponds is relatively easy. What’s more, plankton has many benefits for cultivation. However, remember that excessive plankton concentrations can also harm cultivation.

Therefore, it is essential for farmers to always maintain the stability of plankton in the pond. For that, you can entrust the management of your shrimp ponds to DELOS!

DELOS is the best science, technology, and operational management-based aquatech startup that can help you manage your shrimp ponds based on aquaculture best practices for the best productivity results.

DELOS farm management is also directly integrated with AquaHero to make monitoring pond conditions easier anywhere and anytime.

Immediately contact DELOS at contact@delosaqua.com or submit via our website contact column at www.delosaqua.com to partner with us. Choose DELOS for your vannamei shrimp farming!

21Mar

Tips

Recognize 10 Characteristics of Fresh Shrimp Before Buying It

It is important for you to know the characteristics of fresh shrimp before deciding to buy it. Shrimp is a delicious and healthy seafood for everyone worldwide to enjoy, but ensuring the freshness of the shrimp consumed is essential.

When buying shrimp, several things need to be considered to determine whether the shrimp are fresh. The shrimp’s color, texture, smell, and physical condition are the leading indicators that need attention.

By understanding the characteristics of fresh shrimp, you can make the right decision before buying it. This is to ensure you get the highest quality shrimp while ensuring it is healthy and safe.

So, what characteristics should you know of fresh shrimp before buying them? Read more in this article.

Also Read: Causes and Ways to Overcome Stress in Vannamei Shrimp

Characteristics of Fresh Shrimp

1. Bright Color

The first and most important characteristic of fresh shrimp is the bright color of the shrimp’s body. This is because the color of the shrimp is directly related to its freshness. Fresh shrimp usually have a clear pink or grayish color.

2. Hard Textured

The texture is hard and slightly chewy, another characteristic of fresh shrimp that you can use as a benchmark. The surface of fresh shrimp should be firm and not slimy. If the shrimp are slimy or mushy, they may not be fresh or have gone bad.

3. Mild Smell

The following characteristic of fresh shrimp is that it has a light fishy smell. If the prawns have a strong fishy odor, this is an indication that they are not fresh. So make sure the fishy smell of the shrimp you choose is manageable.

4. Clear Eyes

Fresh shrimp have clear, bright eyes without any cloudiness or discoloration. The eyes of the prawns are a good indicator of freshness as they tend to get cloudy if the prawns sit too long after harvesting. If the shrimp’s eyes are gray or damaged, this could indicate that the shrimp is no longer fresh.

5. Intact Shell

The next characteristic of fresh shrimp is that they have intact shells and show no signs of cracks or damage. Freshly caught prawns have a shiny, smooth shells. If the shrimp’s shell is cracked or damaged, the shrimp is not fresh.

Also Read: These are 11 Characteristics of Healthy and Diseased Shrimp

6. Tight Tail

Shrimp tails are tight and tightly curled, indicating freshness. If you get prawns with loose tails, they may not be fresh anymore. Therefore, please pay attention to the shrimp tail before buying it.

7. No Black Spots

Fresh shrimp should not have any black spots on the body. These black spots indicate decay. If you find shrimp in the market or supermarket with black spots on the body, the shrimp is not fresh and has been exposed to bacteria.

8. Not Yellowing

Fresh shrimp tend to be transparent gray. If you find shrimp with a yellow body, this indicates that the shrimp is not fresh and indicates spoilage.

9. No Ammonia Odor

Fresh shrimp should not smell ammonia. This ammonia smell indicates that the shrimp is no longer fresh and starting to go bad. So please pay attention to how the shrimp smell before buying them.

10. Stored in the Right Place

The last characteristic of fresh shrimp is that they are stored in the right place in the refrigerator at a temperature of 0°C to 4°C to maintain their freshness and quality. Keeping shrimp at the right temperature can prevent bacterial growth and preserve their texture and taste.

Also Read: This is the Difference between Male and Female Shrimp

Choose DELOS For Your Shrimp Pond Management!

By knowing the characteristics of fresh shrimp, you can be sure that the shrimp you consume are safe and of high quality. When buying shrimp, look for the 10 characteristics to ensure you get the freshest, best-quality shrimp.

DELOS is the right choice for those who have vannamei shrimp ponds and want to explore the aquaculture industry. DELOS is the best science, technology, and operational management-based aqua-tech company that can help you increase the productivity of your shrimp ponds.

DELOS Farm Management is also integrated with the AquaHero application, making it easier for you to monitor the condition of the shrimp in the pond just through the gadget every day.

To join DELOS, contact contact@delosaqua.con or submit via the contact column on www.delosaqua.com. Choose DELOS for your shrimp pond management!

17Mar

Tips

Causes and Ways to Overcome Stress in Vannamei Shrimp

Stress in vannamei shrimp is a common problem in aquaculture that can harm growth, health, and shrimp production. What’s more, this shrimp is susceptible to stress due to its sensitivity to environmental changes.

Vannamei shrimp is one of the most widely cultivated species worldwide due to its fast growth rate, high survival rate, and disease resistance.

However, farmers often face the challenge of stress on their shrimp, which can lead to reduced growth rates, decreased survival, and increased susceptibility to disease.

Therefore, we will discuss more deeply how to stress vannamei shrimp. Including the signs and how to overcome them.

Also Read: The Importance of Sea Level Altitude for Aquaculture

Causes of Shrimp Stress

1. Water quality

Poor water quality, including low oxygen levels, high ammonia and nitrite levels, to pH fluctuations, can cause stress for vannamei shrimp during cultivation.

2. Handling and Transportation

Handling and moving shrimp that are rough and not according to standards can also cause stress to the shrimp. This is because shrimp are sensitive to external stimuli, such as shock, exposure to too high a temperature, and overcrowding.

3. Environmental factor

Shrimp are sensitive to sudden environmental changes. Examples include rapid changes in light, temperature, and salinity. This sudden change can be a stress-causing factor for vannamei shrimp.

4. Inappropriate Feed and Nutrition

Poor or inadequate feed quality can cause stress to shrimp. This is because feed with poor quality can cause shrimp to experience an imbalance in the nutrients, vitamins, and minerals they get.

Signs of Stressed Shrimp

Farmers must continue to monitor shrimp during cultivation for signs of stress to prevent a more significant impact of losses. Here are some common symptoms of stress on vannamei shrimp:

Appetite and eating activity is reduced
Reduced activity and behavior become sluggish
Shrimp mortality rate increases
Abnormal swimming behavior, such as swimming in circles and darting.
Poor growth rate
Color change in the shrimp body

Also Read: The Threats of Nitrite in Shrimp Ponds and How to Overcome It

Impact of Stress on Shrimp

Stress in shrimp has a significant impact on shrimp health and growth. That is why farmers must constantly monitor the condition of the shrimp so they don’t experience stress during cultivation.

1. Lowering Shrimp Immunity

Stress can have a direct impact on the shrimp’s immunity. To be precise, it can significantly lower the immune level. This makes the shrimp more susceptible to disease and infection.

2. Reduced Growth

Stress can indirectly inhibit the growth of vannamei shrimp during cultivation. Stressed shrimp tend to have a disturbed diet, so not as many nutrients are absorbed.

3. Increasing Mortality Rate

Severe or prolonged stress can increase mortality among pond shrimp populations.

3. Behavior Change

Changes in behavior also have a direct impact when the vannamei shrimp are stressed. These changes include decreased activity levels and changes in diet.

4. How to Overcome Stress Shrimp

Preventing and managing stress in vannamei shrimp requires careful monitoring and management of environmental and physiological factors. Here are some ways to deal with stress on vannamei shrimp:

5. Monitor Water Quality Regularly

Monitoring water quality parameters regularly can be a way of preventing stress on vannamei shrimp. This is because optimal water parameters are the best environment for growing shrimp.

Therefore, regularly check water quality parameters such as temperature, pH, salinity, and dissolved oxygen levels, and make adjustments in case of fluctuations to maintain optimal conditions.

6. Give Enough Nutrition Shrimp

Adequate nutrition can make shrimp grow optimally and avoid stress. Ensure to provide balanced nutrition in feed and probiotics to support shrimp growth.

7. Adjust Stocking Density with Pond Capacity and Cultivation Type

Vannamei shrimp stocking densities that are excessive and not under pond capacity can cause stress to the shrimp. Because shrimp will compete with each other to get food and space for movement.

8. Shrimp Acclimatization

The last way to prevent stress on vannamei shrimp is to acclimate the shrimp gradually to changes in water quality parameters.

Also Read: Types of Shrimp that are Often Cultivated in Ponds

Consult the Condition of Your Shrimp on DELOS!

Stress on vannamei shrimp can trigger various diseases that are detrimental to cultivation. Therefore, farmers must know the causes and how to handle them. Considering that vannamei shrimp is a type of shrimp prone to stress.

When shrimp are stressed, as a farmer, you may need clarification about what steps to take to overcome them. However, now you don’t need to worry because you can consult DELOS directly about the condition of your shrimp.

With the best-dedicated science team, DELOS can help you monitor the condition of your shrimp and take the best action if specific problems arise.

Immediately contact the DELOS Team via contact@delosaqua.com or submit your pond problems in the contact column on our website at www.delosaqua.com. Immediately consult the condition of your shrimp on DELOS before it’s too late!

07Mar

Tips

Tips on Taking Care of Shrimp Ponds During the Rainy Season

Taking care of shrimp ponds during the rainy season is the biggest challenge for farmers during cultivation. High rainfall is very risky for ponds because it can disrupt the balance of water parameters, directly impacting the health and productivity of shrimp ponds.

To ensure the long-term sustainability and profitability of shrimp farms, farmers must have a solid understanding of best practices for managing shrimp ponds during the rainy season.

In this article, we will discuss some tips and strategies on taking care of shrimp shrimp ponds during the rainy season so farmers can minimize risks and maximize aquaculture productivity.

Also Read: 7 Types of Shrimp Diseases that Often Occur During Cultivation

The Impact of the Rainy Season on Vannamei Shrimp Cultivation

The water quality parameter is the primary indicator of the success of vannamei shrimp cultivation. Optimal water quality can make vannamei shrimp farming a great success. On the other hand, poor and drastically changing water quality can cause vannamei shrimp to become stressed and susceptible to disease.

Following are some of the impacts of the rainy season on vannamei shrimp cultivation:

1. Temperature Changes

When it rains, pond water temperatures can drop to 2-3°C. Low temperatures make water conditions less than optimal, impacting metabolic rates and making shrimp activity slower, and they tend to gather at the bottom of the pond.

Not only has an impact on shrimp, but the activity of decomposing bacteria also decreases when the pond temperature is not in optimal conditions. This causes the accumulation of organic matter present in the ponds

2. Decrease in pH

Rain pH is usually around pH 6.5-7.0. Rain will directly lower the pH by 0.3-1.5 shortly.

3. Changes in Salinity and Alkalinity.

Rain can cause pond water to become thinner, so the salinity and alkalinity numbers also go down.

When the salinity drops, the shrimp will molt. However, the limited availability of minerals can lead to disease infection and cannibalism among shrimp.

4. Plankton Population and Organic Matter Accumulation

The impact of the rainy season on vannamei shrimp cultivation is the death of phytoplankton due to changes in water quality parameters. The dead phytoplankton will also accumulate as organic matter at the pond’s bottom.

The rainy season also makes the shrimp’s diet abnormal and tends to be lower. Therefore, the remaining feed will be more, and the processing is also slower and causing the accumulation of organic matter to increase.

5. Decreased Shrimp Immunity Level

Changes in water quality parameters due to rainwater can cause the ecosystem where shrimp live to become unstable. In addition, sudden changes can cause shrimp to become stressed, and experience decreased immunity, making them susceptible to disease infections.

Also Read: 5 Tips on Managing Vannamei Shrimp Ponds

Tips for Taking Care of Shrimp Ponds During the Rainy Season

1. Proper Pond Preparation

Preparing a proper pond is very important to maintain the health of the shrimp pond during the rainy season. Shrimp farmers must ensure that their ponds are cleaned properly and free of waste and impurities before the rainy season arrives.

In addition, it is necessary to construct suitable drainage channels and install pumps to drain the sewage to control the water level.

2. Maintaining Optimal Water Quality

Water quality is essential for successful cultivation, especially when the rainy season arrives. Excessive rainfall can cause a decrease in optimal conditions for pond water quality parameters.

Therefore, farmers must continue to monitor water quality regularly and take appropriate action when the rainy season comes, for example, by adding an aerator, adjusting the pH and salinity levels, reducing the frequency of feeding, and maintaining optimal water conditions.

3. Disease Management

Tips for taking care of shrimp ponds during the next rainy season are good disease management. During the rainy season, the growth of microorganisms, including bacteria and viruses, increases. This can cause shrimp to be susceptible to disease.

Farmers must take preventive measures, such as disinfecting ponds and equipment, implementing good hygiene and biosecurity protocols, and always monitoring for signs of shrimp disease.

4. Adjust Feeding

Feed management is an important aspect that must be considered when caring for shrimp ponds during the rainy season, where farmers must adjust their feeding schedule based on weather conditions and pond water quality.

Overfeeding can lead to poor water quality and increase the risk of disease. While giving less feed can inhibit the growth of shrimp.

In addition, make sure the feed given is of high quality and free from pathogenic contamination.

5. Always Monitor Weather Conditions

The last tip on taking care of shrimp ponds during rainy season is always to monitor weather conditions. Rainfall sometimes cannot be predicted precisely and accurately, so farmers must prepare what actions to take when it rains.

Some things that can be done include closing the pond and reducing the feed. In addition, always be alert for signs of flooding that can cause water quality problems and damage pond infrastructure.

Also Read: 5 Tips for Accelerating Vannamei Shrimp Growth When Cultivating

Vannamei Shrimp Cultivation More Productive with DELOS!

Maintaining and taking care of a shrimp pond during the rainy season can be a big challenge and a high risk. This is because rainwater directly affects the water quality parameters of ponds where vannamei shrimp live.

Therefore, farmers must make special preparations before the rainy season arrives. So, for those of you who want to start vannamei shrimp farming or increase your shrimp ponds’ productivity, DELOS is the right choice.

DELOS is the best science, technology, and operational management-based aqua-tech company that can help you increase the productivity of your vannamei shrimp farming.

DELOS Farm Management is also integrated with the AquaHero application, making it easier for you to monitor the condition of the shrimp in the pond just through the gadget every day.

To join the DELOS ecosystem, contact contact@delosaqua.com or submit via the contact column on our website, www.delosaqua.com. Vannamei shrimp farming is more productive with DELOS!

23Feb

AquacultureTips

Vannamei Shrimp Stocking Density and How to Calculate It

One important aspect of aquaculture is determining the optimal vannamei shrimp stocking density. This can be done to consider the number of shrimp that can be accommodated from start to harvest in the pond that has been prepared.

Stocking density plays an important role in the success of aquaculture because excess density can cause poor water quality, disease attacks, and stunted shrimp growth in ponds.

In addition, shrimp stocking densities that are too high can also increase competition for food and space. So, what is the ideal stocking density for traditional, semi-intensive, intensive, and super-intensive ponds? Read more in this article.

Also Read: Vannamei Shrimp Salinity and How to Control Its Stability during Cultivation

Why is it Important to Consider Stocking Density?

Farmers must consider the stocking density of the vannamei shrimp they will choose before starting cultivation. This is because stocking density directly affects the growth and quality of the cultivated vannamei shrimp.

There are several other reasons why it is important to consider the stocking density, including:

1. Ensuring Optimal Shrimp Growth and Health

Traditional and intensive vannamei shrimp stocking densities significantly impact the growth and health of vannamei shrimp. Overcrowding can lead to poor water quality, increased competition for food and space, and increased risk of disease outbreaks.

Calculating the stocking density of vannamei shrimp and adjusting it to pond conditions ensures it can grow and develop optimally.

2. Maximizing Cultivation Results

Intensive vannamei shrimp stocking density is closely related to the cultivation results obtained later. The density that is too low in large ponds is the same as not utilizing available resources efficiently, so the yields are not optimal.

Conversely, a density that is too high and does not match the capacity of the pond can cause an increase in mortality and a decrease in growth rates. Therefore, by calculating the stocking density and adjusting it according to needs, farmers can maximize the potential of their ponds.

3. Cost Effectiveness

Vannamei shrimp cultivation is a lucrative business because the profits are very abundant. However, like business, this abundant profitability must be accompanied by cost-effective use during the cycle.

Calculating the stocking density of vannamei shrimp is one way to help cultivators determine capital and maximize their profits from this cultivation.

Too high density can lead to increased mortality, decreased growth rates, and increased FCR numbers. This will also impact increasing costs and reducing profits when the harvest arrives.

4. Disease Management

The density of vannamei shrimp directly affects the risk of disease outbreaks during cultivation. Pond ponds that are too dense can affect water quality, triggering disease outbreaks over time.

By calculating stocking densities and maintaining them at optimal levels, farmers can reduce the possibility of disease outbreaks and minimize the need for expensive shrimp health care.

5. Environmental Sustainability

Vannamei shrimp cultivation can cause significant environmental impacts, especially in intensive and super-intensive cultivation types that must be carried out sustainably.

The more shrimp cultivated in the pond, the more dirt and food scraps are produced during cultivation. Dirt and food scraps can turn into chemical compounds that harm the environment.

Therefore, by calculating the stocking density and maintaining it at an appropriate level, farmers can minimize the negative impact on the environment that may occur.

Also Read: Cultivating Vannamei Shrimp with Biofloc System

How to calculate the stocking density of Vannamei Shrimp

Calculating the stocking density of vannamei shrimp requires careful measurement and accurate recording. This is so that your cultivation can bring maximum profit and avoid losses.

Then, how to calculate the stocking density of vannamei shrimp? Here are the steps.

Calculate the Capacity of the Pond

The first step you have to take is to calculate the pond capacity that will be used for vannamei shrimp cultivation. How to calculate the area of a vannamei shrimp pond can be measured using a measuring tape or other measuring device.

If the pond you have is rectangular, you can use the volume formula as follows:

Volume = pond length (meters) x pond width (meters) x pond depth (meters)

For example, if you have a pond with a length of 10 meters, a width of 5 meters, and a depth of 3 meters. Then the capacity of the pond = 10 x 5 x 3 = 150 cubic meters.

After knowing the capacity of your vannamei shrimp pond, choose a stocking density following this capacity.

However, if you already know the area of the pond that you have for sure, you can immediately follow the second step, namely calculating the stocking density of vannamei shrimp.

Calculate the Stocking Density of Vannamei Shrimp

Vannamei shrimp stocking density depends on the cultivation method used. For example, use traditional, semi-intensive, intensive, or super-intensive cultivation methods.

The formula for total stocking density = pond area (square meters) x stocking density per meter

This total stocking density is usually used for calculating the amount of feed, aerators, and other pond needs.

The stocking density of vannamei shrimp in traditional ponds is usually a little, which is around 5-8 PL per square meter. If your pond is 100 square meters in area, then 100 x 5 = 500 shrimp fry that can be stocked in the pond.

While in intensive ponds, the stocking density of vannamei shrimp tends to be higher. The stocking density of intensive ponds is above 100 per square meter. At the same time, the calculation formula must also be adjusted to the number of wheels and aerators used.

Also Read: Do These 5 Things For Successful Vannamei Shrimp Cultivation

Choose DELOS as Your Vannamei Shrimp Cultivation Partner!

Overall, determining the optimal stocking density for vannamei shrimp requires careful consideration of various factors, including the pond area. Farmers must consider this carefully to ensure the optimal growth of shrimp.

Well, for those who want to get into the vannamei shrimp farming business, you can start easy and productive vannamei shrimp farming with DELOS.

DELOS is the best science, technology, and operational management-based aqua-tech company that can help you explore new opportunities in the aquaculture field.

DELOS Farm Management is also integrated with the AquaHero application, making it easier for you to monitor the condition of the shrimp in the pond just through the gadget every day.

Want to get pond supplies at affordable prices? AquaLink can now connect you with producers and farm owners to get and sell pond products at the best prices.

Contact the DELOS Team via contact@delosaqua.com or submit via the contact column on our website, www.delosaqua.com to get the best offer for your vannamei shrimp farming. Trust your farm management to DELOS!

21Feb

AquacultureTips

5 Tips on Managing Vannamei Shrimp Ponds

Success when cultivating always depends on our way of managing vannamei shrimp ponds. Both in terms of technical and non-technical factors. Therefore, farmers need to have good pond planning and management.

This method of managing shrimp ponds also directly affects harvest productivity. Thus, many factors must be considered in vannamei shrimp farming, such as human resource factors, feed management, shrimp health management, and the harvest process.

Here we have summarized some tips on managing shrimp ponds, especially for you, so that the harvests are as expected.

Also Read: These are 7 Tips for Successful and Profitable Vannamei Shrimp Harvest

Ideal Shrimp Pond

Talking about the ideal shrimp pond, the first thing that comes to your mind is how it is constructed. This is because construction has an important role in the sustainability of shrimp ponds.

So, here are the criteria for ideal shrimp ponds regulated in the Ministry of Maritime Affairs and Fisheries Regulation No. 75/PERMEN-KP/2016 concerning General Guidelines for Enlargement of Tiger Shrimp (Penaeus Monodon) and Vannamei Shrimp (Litopenaeus Vannamei).

Have sufficient water availability.
Ponds do not have dead spots.
Effective and efficient in the use of land and mills.
The bund as an access road in the pond must be passable by vehicles and workers.
Guaranteed maximum security and safety (K3).

If you have fulfilled the five criteria based on the Minister of Maritime Affairs and Fisheries Regulation No. 75 of 2016 above, you can then select the ideal pond location. Some of the criteria for an ideal pond location include the following:

The location of the shrimp ponds is under the Regional Spatial Plan (RTRW) and applicable regulations.
The location of the new shrimp ponds above/behind the shoreline (100 meters from the highest tide point) and the riverbank.
Having sufficient and good quality source water.
Located in an area protected from routine flooding and the influence of toxic and hazardous waste (B3) pollution.
Do not build new ponds on mangrove land and the core zone of the conservation area.
Do not build shrimp ponds in areas where saltwater seepage has the potential to affect surrounding agricultural areas or freshwater sources.
Adequate transportation and communication infrastructure is available.

Also Read: Promising Vannamei Shrimp Cultivation Prospect and Export Opportunities

Tips for Managing Shrimp Ponds

1. Choose the Right Pond Lining

The pond bottom lining is important to ensuring biosecurity during shrimp farming. Ground ponds directly exposed to water can trigger anoxic reactions, which are highly toxic to shrimp. Therefore, coatings such as high-density polyethylene (HDPE) plastic or concrete can be a solution.

In addition to biosecurity issues, using HDPE concrete and plastic layers also makes it easier to manage water and pond bottoms.

2. Consider Pond Design

The design of the vannamei shrimp pond has various shapes, including rectangular, square and round. This pond’s shape has advantages and disadvantages, as well as an effect on water flow and pond sediment accumulation.

While at the bottom of the pond can be designed with a central channel to minimize sedimentation. It works by utilizing the sedimentation and centrifugal currents generated by the aerator to push and concentrate the solids that settle in the middle of the pond.

Then, these solids can be manually pumped out of the pond through a pumping system connected to the sewer.

3. Place the Pond Aerator Properly

In intensive system vannamei shrimp farming, the aerator plays an important role in providing oxygen while helping to push sludge into the sewer. While the type and number of aerators can be adjusted to the needs of each pond based on pond size and stocking density.

To set up the aerator, you need to make sure that the aerator has covered all the corners and sides of the pond so that no mud remains untouched. There are two main designs for placing aerators: parallel and diagonal.

4. Clean the Pond Base Manually

The next tip for managing vannamei shrimp pond is routinely cleaning the pond’s bottom. Manual cleaning or suctioning of waste is good for maintaining optimal pond bottom quality.

So, how often should the bottom of the pond be cleaned? In general, there are no specific rules regarding how often to clean. However, it is recommended to do it once daily so that the waste that settles does not accumulate too much.

5. Periodic Basic Evaluation of Ponds

As the vannamei shrimp farming cycle progresses, it is very important to know the sediment condition at the bottom of the pond to prevent negative impacts. So it is necessary to evaluate periodically by taking sediment samples at certain points. The evaluation parameters include Redox potential, pH, pH2S, and NH4-N sol.

Sampling should be done regularly, at least twice per cycle. Precisely in the middle of the cultivation cycle when the mud begins to form and at the end of the cycle as an evaluation.

However, more frequent evaluations should be carried out in special cases such as mass mortality or slow growth of shrimp.

Also Read: 5 Stages of Vannamei Shrimp Pond Preparation Before Doing Cultivation

Choose DELOS as Your Shrimp Cultivation Partner!

Those are tips on managing vannamei shrimp ponds that you should pay attention to so that shrimp growth becomes optimal and produces a profitable harvest.

Managing shrimp ponds is not an easy thing to do. Therefore, if you need assistance in the cultivation of vannamei shrimp that you are doing, DELOS can be the best choice for you.

DELOS is the best science, technology, and operational management-based aqua-tech company that can help you explore new opportunities in aquaculture.

DELOS pond management is also integrated with AquaHero, making it easy for farm owners and farm personnel to monitor the condition of shrimp ponds in real-time only through gadgets every day.

Immediately contact the DELOS Team to get cultivation assistance via contact@delosaqua.com or submit via the contact column on our website, www.delosaqua.com. Choose DELOS as your shrimp farming companion!

17Feb

Tips

5 Tips for Accelerating Vannamei Shrimp Growth When Cultivating

Slow growth is sometimes a problem that must be faced when cultivating. Therefore, it is essential to know tips on accelerating vannamei shrimp growth before it’s too late.

Vannamei shrimp cultivation has become a profitable business lately. This is because the demand for vannamei shrimp in the global market is increasing daily. Of course, at a very attractive price.

However, only good quality vannamei shrimp can be sold at the maximum price. Meanwhile, vannamei shrimp with slow growth means that farmers have to wait a little longer to harvest and then sell them.

So what are the tips for accelerating vannamei shrimp growth during cultivation? Here we have summarized it, especially for you.

Also Read: 10 Equipments for Vannamei Shrimp Ponds that Must Be Prepared

Factors Causing Slow Vannamei Shrimp to Grow

When cultivating, it is common for farmers to experience slow growth of their shrimp. The cause of the slow growth of vannamei shrimp is influenced by several factors, including:

1. Water quality

The first factor affecting the growth of vannamei shrimp is water quality. Shrimp need clean, well-oxygenated water to grow and develop.

Poor water quality, such as high levels of ammonia, nitrite, and nitrate, low levels of dissolved oxygen, and high salinity, can stress shrimp and inhibit their growth.

2. Too High Density

The density of vannamei shrimp ponds also affects growth. Overcrowded ponds can cause stress on the shrimp to compete for food and space. This can result in slower growth rates or even death.

3. Poor Nutrition

Vannamei shrimp require an adequate supply of nutrients to grow and develop. This includes protein, vitamins, and minerals obtained from feed and saprotam.

Giving vannamei shrimp feed that does not meet the nutritional needs needed can prevent shrimp growth from becoming stunted and shrimp cannot grow optimally.

4. Disease

Shrimp are susceptible to disease attacks that can affect their growth. Common diseases that affect shrimp growth include bacterial, viral, and parasitic infections.

5. Poor Quality Vannamei Shrimp Seeds

Mistakes in selecting vannamei shrimp seeds can also affect shrimp growth. Poor-quality fry will produce bad shrimp as well.

The low-quality vannamei shrimp fry can be seen from the size that is different from the other fry. For example, the condition of the fry’s body is deformed, the intestine is not filled, and the antennae are not intact, the fry is not actively swimming.

Also Read: Vannamei Shrimp Feed Management Tips for Your Anti-Loss Cultivation!

Tips for Accelerating Vannamei Shrimp Growth

Several factors can affect the growth of vannamei shrimp, including water quality, feed, and pond environmental conditions. Here are tips on accelerating vannamei shrimp growth that you can do.

1. Make Sure the Water Quality is Always Optimal

Accelerating vannamei shrimp growth can be done by ensuring that pond water quality is always optimal. This is because shrimp need quality water free of pollutants, poisons, and pathogens to grow appropriately.

Maintaining proper temperature, salinity, pH, and dissolved oxygen levels is important for their growth. Therefore, farmers need to carry out regular water testing and monitoring.

2. Choose High-Quality Feed

Vannamei shrimp require feed with balanced nutrition to support their growth. So, choose a feed high in protein, vitamins, and minerals.

Also, feed the shrimp regularly and in the right amount. Also, ensure the feed given is consumed entirely by the shrimp quickly.

3. Optimize Feeding

During cultivation, it is essential to optimize vannamei shrimp feeding. This includes the frequency and amount of feed because underfeeding or overfeeding can harm shrimp growth.

4. Maintain Ideal Environmental Conditions

The next step for accelerating vannamei shrimp growth is maintaining ideal environmental cultivation conditions. For example, ensuring the water temperature and other environmental conditions are stable and consistent prevents shrimp from becoming stressed, which can affect their growth.

5. Adopt Proper Cultivation Management Practices

Proper management of vannamei shrimp culture can be a factor that accelerates vannamei shrimp growth, for example, by changing the water regularly, cleaning the pond of sediment deposits, and monitoring water quality daily.

Also Read: This is the Process of Molting in Shrimp and How to Handle It

Monitor the Condition of Shrimp Ponds Every Day with AquaHero

Poor water quality is one of the causes of stunted vannamei shrimp growth. Therefore monitoring pond water conditions can be one way to accelerate vannamei shrimp growth.

Now you can practically and easily monitor the condition of your shrimp pond water with AquaHero. AquaHero is a data-based application that makes it easy for farmers to monitor the condition of their shrimp ponds in real time.

Apart from that, AquaHero also has a recommendation feature that can help farm owners and farm personnel to get scientific predictions and recommendations for the right actions to take. This includes harvesting, phytoplanktons, carrying capacity, and others.

To enjoy AquaHero features, contact the DELOS Team via contact@delosaqua.com or submit via the contact column on our website www.delosaqua.com. Vannamei shrimp farming is easier with DELOS!

14Feb

Fun ReadTips

This is the Difference between Male and Female Shrimp

Farmers need to know the differences between male and female shrimp before hatching. This aims to ensure that the spawned parent shrimp have different sexes with the correct amount ratio.

However, determining the difference between male and female shrimp is sometimes tricky because the two look very similar at first glance. However, some traits can be observed to find the difference.

What are these characteristics? Here we have summarized it for you in this article. So, make sure to read it all the way through.

Also Read: The Organ System and Morphology of Vannamei Shrimp that You Should Know

The Difference between Male and Female Shrimp

The difference between male and female shrimp can be identified from their genitals. In male shrimp, the genitals are in the form of petasma, located on the first swimming leg, which transfers sperm.

Meanwhile, the female shrimp’s genitals are known as thelycum, which is located between the fourth and fifth leg of the road and functions to store sperm.

The female reproductive system uses a pair of ovaries, oviducts, genital openings, and thelycum. While the male reproductive system uses the testes, vasa deferensia, petasma, and masculine appendix.

In addition, the difference between male and female shrimp can also be seen in their body size. The female shrimp parent usually has a larger size than the male parent.

Also Read: Get to Know the Vannamei Shrimp as a Farmers’ Favorite

Criteria for Ideal Shrimp Brood

The ideal female shrimp parent is a parent that has mature eggs. The maturity of the eggs is measured based on the development of the ovaries, which are located on the dorsal side of the shrimp’s body. The ovaries are green the more mature they are, the darker the color.

While the development of perfect petasma determines male shrimp. Usually, this petasma contains a spermatophore.

From the physical condition, the shrimp chosen as broodstock must have at least a minimum weight of 100 grams for females and 80 grams for males. Also, ensure the parents do not have defects or injuries, especially on the reproductive organs, to produce high-quality shrimp seeds.

To determine whether the eggs in the parent have matured, it is usually done in two ways: lifting the female and facing the lower body (ventral) towards the sun. In addition, you can also use a waterproof light beam to observe it.

Also Read: Getting to Know the DOC Term in Shrimp Farming

Choose DELOS as Your Shrimp Cultivation Partner!

That is the difference between male and female shrimp that farmers should know before spawning. This is because it is important to ensure that the parent shrimp spawned have the same number of different sexes.

DELOS can be the right cultivation companion for your shrimp pond for those who want to know more about vannamei shrimp farming management, including the primary spawning process.

DELOS is the best science, technology, and operational management-based aqua-tech company that can help you explore new opportunities in the aquaculture field.

DELOS pond management is also integrated with AquaHero, making it easy for farm owners and farm personnel to monitor real-time shrimp pond conditions through gadgets daily.

Immediately contact the DELOS Team to get cultivation assistance via contact@delosaqua.com or submit via the contact column on our website www.delosaqua.com. Choose DELOS as your shrimp farming partner!

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Source: Pratiwi, Rianta. 2018. Aspek Biologi dan Ablasi Mata Pada Udang Windu penaeus monodon Suku Penaeidae (Deapoda: Malcostraca). Oseana. 43(2): 34-47

Setiawan, Arief, dkk.,. 2004. Pemilihan dan Pemeliharaan Induk Udang. Departemen Pendidikan Nasional

09Feb

AquacultureTips

The Threats of Nitrite in Shrimp Ponds and How to Overcome It

The threat of nitrite in shrimp ponds is an impact on the environment from intensive vannamei shrimp cultivation that all shrimp farmers can face. Therefore, farmers must find out ways to prevent and overcome them immediately.

Vannamei shrimp has long been a species of shrimp cultivated in Indonesia. This is because this type of shrimp is a food that is very popular with people around the world, so its export value continues to increase from year to year.

However, the intensive cultivation of vannamei shrimp can cause various impacts on the environment, one of which is the threat of nitrites. So, how to overcome it? Read more in this article!

Also Read: Get to Know Myo IMNV Disease in Vannamei Shrimp and Its Characteristics

What is Nitrite in Shrimp Ponds?

Nitrite in shrimp ponds is a toxic substance produced from nitrogen which is only partially oxidized. This substance is not found in fresh wastewater but in wastewater that has long been settling and accumulating.

High nitrite levels can result from overfeeding of shrimp, excessive sediment density, poor water circulation, and other factors that upset the balance of the nitrogen cycle.

Nitrite is very toxic to vannamei shrimp. Its presence can cause various adverse effects, including stunted growth and development of shrimp or even death.

Nitrite is not fixed and can turn into ammonia or be oxidized to nitrate at any time. When compared with nitrate, the presence of nitrite in the waters is less. However, the level of toxicity for vannamei shrimp is very high.

The danger of nitrite toxicity in vannamei shrimp ponds is especially evident in the early stages of the cultivation cycle. During this initial stage, nitrite levels can rise rapidly and reach dangerously toxic levels.

The presence of oxygen in shrimp ponds affects the presence of nitrites in shrimp ponds. In general, waters that get an adequate supply of oxygen have lower levels of nitrite concentration when compared to waters that do not get an oxygen supply.

Also Read: Recognize 7 Characteristics of AHPND Disease in Vannamei Shrimp Before It’s Too Late

How to Overcome Nitrite Threats in Shrimp Ponds

Even though it has a high level of toxicity, it does not mean that the nitrite threat cannot be overcome. One of the most important steps must be taken is monitoring water quality regularly and keeping other parameters optimal.

This can be done by adjusting the feeding, increasing oxygen circulation, and adjusting the stocking density of vannamei shrimp to prevent overcrowding.

How to deal with the threat of nitrite in shrimp ponds can also be done by adding nitrite-reducing bacteria into the pond. These bacteria can consume nitrites and convert them into less harmful substances, such as nitrogen gas.

Not only that, the presence of bacteria known as Nitrobacter can also help improve water quality along with reduced nitrite levels, making it safe for the growth of cultivated vannamei shrimp.

In addition, it is also essential to keep the pond well-aerated, especially in the early stages of the culture cycle. Adequate aeration helps ensure dissolved oxygen levels remain high, reducing the risk of nitrite toxicity and other water quality problems.

Also Read: Get to Know Vibrio Bacteria in Vaname Shrimp As the Cause of Various Diseases

Vannamei Shrimp Cultivation More Productive with DELOS!

The threat of nitrites to vannamei shrimp can occur at any time if the pond does not have adequate waste circulation. Therefore, practicing good pond management and sanitation is essential, including removing organic waste regularly and maintaining pond aeration.

By taking these steps, you can help reduce the risk of nitrite toxicity and keep the vannamei shrimp pond environment you have healthy.

For those who need assistance with vannamei shrimp cultivation to get maximum results. DELOS is the correct answer for you. DELOS is the best science, technology, and operational management-based aqua-tech company that can help you explore new opportunities in the aquaculture field.

DELOS Farm Management is also integrated with AquaHero, which makes it easy for farm owners and farm personnel to monitor the condition of their shrimp ponds through gadgets every day in real time.

Contact the DELOS Team via contact@delosaqua.com or submit via our website contact column at www.delosaqua.com to join our ecosystem. Choose DELOS for your shrimp farming assistance!

03Feb

Fun ReadTips

5 Ways to Process Shrimp to Avoid a Fishy Flavor when Cooking

Shrimp is one of the mainstay menus that are offered in various places to eat. It’s not surprising because this seafood tastes delicious if the method of cooking and processing shrimp is done correctly.

Not only that, but shrimp also has a myriad of health benefits. So for those of you who are connoisseurs of processed shrimp, you will not only get food that spoils your tongue but is also beneficial for your body’s health.

But remember, to get the benefits of consuming shrimp, you must know how to process shrimp first. Here we have summarized it for you.

Also Read: 3 Family Favorite Sweet and Sour Shrimp Recipes

How to Process Shrimp So It’s Not Fishy

1. Get Fresh Shrimp

Before knowing how to process shrimp, you must first buy fresh shrimp of the highest quality. Choose shrimp with a firm texture and a distinctive aroma. Because this is a sign of good quality shrimp.

If you buy frozen shrimp, make sure the shrimp are stored in the freezer, packed tightly, and have no signs of damage to the packaging.

2. How to Clean Shrimp

If you buy frozen shrimp, before cleaning them, you must first defrost them. An easy way to thaw frozen shrimp can be done by placing the shrimp in a bowl of cold water for about 20 minutes.

Meanwhile, if the shrimp you buy are fresh, you can immediately clean them. Cleaning shrimp can be done by removing the head and legs of the shrimp.

Then use a sharp knife to make shallow cuts along the back of the prawns, then remove the veins. After that, rinse the shrimp thoroughly with clean water and drain.

3. How to Peel the Shrimp

After removing the legs and head and cleaning the shrimp veins, the next step is peeling the shrimp skin. You can start by holding the shrimp’s body and carefully pulling the shell, so the shrimp meat doesn’t get crushed.

However, if you like shrimp with the shell on, you can skip this step and leave the shell on the shrimp.

4. Add Lime Juice

Just like seafood in general, shrimp also has a distinctive fishy smell. Therefore, how to process shrimp, so they are not fishy can be done by adding lime juice which can help disguise the fishy smell.

When adding the lime juice, don’t forget to let it rest for 10 to 15 minutes so that the fishy smell of the shrimp completely disappears.

5. Don’t Cook Shrimp for Too Long

After the shrimp are cleaned perfectly, the following way to process the shrimp is to ensure that the shrimp are not overcooked or cooked too long. This is because cooking shrimp for too long can remove the nutrients and make the shrimp meat tough.

Also Read: Easy Crispy Fried Shrimp Recipes To Cook At Home

Fulfill Your Shrimp Needs With DELOS AquaLink!

For a long time, prawns have been a favorite seafood menu for many people. Both when eating at a restaurant or cooking it yourself at home. However, if you cook it yourself at home, you must process the shrimp properly so that their nutrients are not lost.

DELOS is the right answer for you if you need a supply of the best quality shrimp at an affordable price.

Through DELOS AquaLink, you can get shrimp at the best price and unquestionable quality. We can also help you provide other pond needs, such as medicines, feed, logistics, etc.

To become part of AquaLink, contact DELOS directly via contact@delosaqua.com or submit via the contact column on our website www.delosaqua.com. Let’s partner up!