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22May
AquacultureTips

Vannamei Shrimp Salinity and How to Control Its Stability during Cultivation

Vannamei shrimp salinity is an essential factor that must be considered when cultivation occurs. This is because salinity significantly impacts the health and growth of shrimp in ponds.

Vannamei shrimp, also known as white leg shrimp, are shrimp native to the Pacific Ocean that can tolerate various levels of salinity. However, the optimal salinity for vannamei shrimp is around 15-25 ppt with a pH level of 7.5-8.5.

If the water salinity is too high, vannamei shrimp can become stressed, and their growth will be less than optimal. On the other hand, if the salinity is too low, the shrimp cannot absorb enough oxygen resulting in respiratory problems.

So, for those who want to know more about vannamei shrimp salinity and how to control its stability during cultivation, check out the following article.

Also Read: How to Cultivate Vannamei Shrimp from Preparation to Harvest

What is Water Salinity?

Water salinity refers to the amount of salt content in seawater, river water, or lake water which is calculated in ‰ (thousand/ppt). For vannamei shrimp, the optimal range of water salinity is around 15-25 ppt which allows the shrimp to absorb sufficient oxygen.

The salinity of vannamei shrimp must be monitored and tested regularly during cultivation. This aims to ensure that the salinity rate remains within the optimal and stable range.

If the salinity is too high, it can be reduced by adding fresh water to the system. Meanwhile, if the salinity is too low, it can be increased by adding a brine or salt mixture to fresh water.

Also Read: This is The Best Water Color for Vannamei Shrimp Pond

How to Control the Stability of Pond Water Salinity

Maintaining the stability of vannamei shrimp salinity during cultivation is very important. This is because the saltiness of the water directly affects the health and growth of shrimp.

For vannamei shrimp, the ideal water salinity is around 15-25 per thousand (ppt). At this salinity level, vannamei shrimp can absorb sufficient oxygen through their gills and are less likely to experience stress or disease.

To ensure that the salinity of the water is at the proper level, farmers need to test and monitor the water regularly using a salinity meter or hydrometer.

Usually, the best time to measure salinity is in the morning and evening. Because, at these times, the salinity can change due to the influence of water evaporation by sunlight. In addition, when it rains, there is usually a decrease in the salinity due to the volume of rainwater entering the pond.

Not only that, but farmers also have to keep the water clean and have a stable dissolved oxygen content. This is so that the growth and health of the shrimp are appropriately maintained.

If the vannamei shrimp salinity is too high during the measurement, the farmer can anticipate this by adding fresh water up to the initial height before evaporation occurs.

Meanwhile, farmers can dispose of fresh water on the pond’s surface if the water salinity is low. This is because freshwater has a lower density than salt water, so freshwater is on the pond’s surface.

By following these guidelines and properly managing water salinity, shrimp farmers can help ensure the health and growth of their vannamei shrimp, leading to higher yields and profits.

Also Read: Do These 5 Things for Succesful Vannamei Shrimp Cultivation

Vannamei Shrimp Cultivation More Productive with DELOS

Overall, proper management of water salinity is essential for successful vannamei shrimp farming. By maintaining adequate salinity levels, shrimp farmers can help ensure the health and growth of their shrimp, resulting in higher yields and profits.

To make your vannamei shrimp farming easier, DELOS offers Farm Management to manage your shrimp ponds. DELOS is the best science, technology, and operational management-based aqua-tech company that can help your vannamei shrimp farming succeed.

DELOS Farm Management is also integrated with the AquaHero application, making it easy for every farm owner and personnel to monitor their shrimp ponds daily.

Also, DELOS has an integrated supply chain program, DELOS AquaLink, which can help you get and sell pond products at the best price and quality.

Contact the DELOS Team via contact@delosaqua.com or submit your questions about vannamei shrimp farming through our website contact column at www.delosaqua.com. Make successful vannamei shrimp farming with DELOS!

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17May
AquacultureTips

5 Things You Need to Do When Starting a Shrimp Farm Business

shrimp pond
Source: DELOS Documentation

Having a Shrimp farm business is a promising example of economic activity in the aquaculture sector. Usually, this cultivation activity is mostly carried out in coastal areas.

Along with the increasing demand for shrimp in the global market, many people are starting to get interested in this world. What’s more, the shrimp farming business has very lucrative results.

However, before starting this business, some things need to be considered, so your business does not lose money. Let’s see what these things are.

Also Read: 4 Types of Vannamei Shrimp Harvest Time

1. Choose The Right Farm Location

The selection of a pond location is the first thing that must be considered when starting a shrimp pond business. It aims to get a suitable and precise location according to the criteria. A good pond location must pay attention to the topography level, the soil’s content, and the water supply’s adequacy.

2. Make Sure to Choose Ideal Shrimp Fry

The fry is shrimp seeds. This term refers to the chicks that have entered the post-larva stage and are ready to be stocked into the pond. The ideal fry has a big impact on the success of shrimp farming.

Therefore, choose and prepare the best fry for those just starting a shrimp farming business. The ideal fry criteria include disease free and resistant.

3. Prepare Farm Equipment and Tools

When starting a shrimp farming business, you don’t only need pond land and fry. But there are a series of tools to support the sustainability of your cultivation. Starting from anco, waterwheels, and pumps, to laboratory equipment.

Each pond must have its equipment and should not be used interchangeably. Because this is to avoid confusion about the results of the examination of the condition of each pond pond.

4. Ensure the Right Feeding Management

Feeding in shrimp farming must be done appropriately and efficiently in terms of time and amount. This is because most of the capital in shrimp farming is spent on feeding.

Feeding time in the shrimp farming business is usually regulated in feed management, whose quantity has been adjusted and calculated based on the age of the shrimp. In addition, the feeding area (feeding area), feeding level (feeding level), and frequency of feeding (feeding frequency) are also considered in

5. Do Regular Water Quality Observations

Before starting a shrimp farming business, the last thing that must be considered is observing water quality. By observing water quality, each farm personnel can find out if changes or fluctuations in parameters may harm shrimp development.

Usually, water quality observations are carried out physically, chemically, and biologically. Measurements of physical parameters can be directly carried out when in ponds. Meanwhile, chemical and biological parameters must be carried out in the laboratory.

Also Read: What is MBW Term in Shrimp Farming and How to Calculate It?

Increase the Business Productivity of Shrimp Farms with DELOS!

Starting a shrimp farming business cannot be done carelessly. Many things must be considered so that your shrimp cultivation has high productivity.

To make your shrimp pond more productive, you can entrust the management of your shrimp pond to DELOS. With a team consisting of the top 99 best people in Indonesia, DELOS is ready to help you through our Farm Management.

DELOS Farm Management is also integrated with the AquaHero application, making it easier for farmers to monitor the condition of their ponds. So what if a disease is detected? No need to worry, DELOS also has a dedicated scientist who can help you to mitigate if a disease is detected in your shrimp pond.

Contact DELOS via contact@delosaqua.com or submit a problem you want to discuss vannamei shrimp cultivation via contact on our website www.delosaqua.com. Shrimp farming business with the best results with DELOS!

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15May
AquacultureTips

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

vannamei shrimp feed management
Source: DELOS Documentation

Feed in vannamei shrimp cultivation is an essential component for shrimp growth. In addition, the feed also affects the amount of capital issued by farmers. Not surprisingly, everyone wants to implement good vannamei shrimp feed management, so they don’t lose money.

In addition to feeding management, feed quality also determines the quality of the vannamei shrimp produced at harvest. Feed must contain sufficient nutrition, starting from protein, carbohydrates, vitamins, and minerals.

So, for the vannamei shrimp farming that you are doing to be a big success and of high quality, here are feed management tips that you should pay attention to.

Also Read: Cultivating Vannamei Shrimp with Biofloc System

Why Should Shrimp Farmers Know Effective Feeding Practices?

During shrimp cultivation, feed is the component that consumes the most capital, accounting for around 50-70% of the total capital invested. Therefore, it is important for farmers to practice effective feeding to ensure optimal shrimp growth while also minimizing the budget spent.

Good and effective feeding is tailored to the age and weight of the shrimp to maximize their growth. If farmers make mistakes in this regard, the risk of losses can loom large.

Furthermore, uneaten feed can cause problems in the pond environment, such as the accumulation of organic waste. The side effects of overfeeding include feed being left uneaten by the shrimp and eventually settling at the bottom of the pond. This leftover feed can generate ammonia, nitrite, and nitrate, which are harmful to shrimp survival.

Food and Eating Habits of Shrimp

Shrimp is an omnivore or all-eating group. Shrimp usually eat phytoplankton, copepods, larvae, and lichens in the wild. Meanwhile, if raised in ponds, farmers usually provide artificial feed as the main feed.

Artificial feed is deliberately prepared for vannamei shrimp, usually in the form of pellets or crumbles. In this artificial feed, shrimp need essential nutrients to grow and develop properly.

The nutrients needed by vannamei shrimp include protein, fat, vitamins, essential amino acids, carbohydrates, and minerals. These nutrients play an important role in the growth and development of vannamei shrimp.

The artificial feed has special criteria, such as having nutrients according to the needs of the shrimp, the feed being easy to digest and the diameter matching the opening of the shrimp’s mouth, and the shrimp’s body quickly absorbing the nutritional content.

Also Read: How to Cultivate Vannamei Shrimp from Cultivation to Harvest

Profitable Vannamei Shrimp Feed Management Tips

Feeding for vannamei shrimp cultivation is an important thing that every farmer must consider. Items that need to be considered include the type, frequency, size, and total feed requirements during cultivation.

Efficient use of feed during vannamei shrimp cultivation is one of the factors for successful cultivation. This is because feed is the most expensive factor of production. For that, here are vannamei shrimp feed management tips that you can use as a reference.

1. Determine the Amount of Feed Based on the Age (DOC) of Shrimp

Determination of the amount of feed given to vannamei shrimp must be based on the age of the shrimp. For example, for shrimp with DOC under 30 days, feeding can be done by blind feeding because feed requirements cannot be calculated accurately.

Meanwhile, when the DOC of shrimp is more than 30 days, farmers must carefully calculate the amount of feed given according to the needs of the shrimp. Usually, the calculation is based on the survival rate, the average body weight of the shrimp, and the feeding rate.

2. Frequency of Feeding

The frequency of feeding is the second thing that must be considered when managing vannamei shrimp feed. Feed consumed by shrimp normally will be processed for 3-4 hours after consumption. This can be a benchmark that you can use in determining the frequency of feeding each day.

In addition, the condition of dissolved oxygen (DO) in the pond can also be another consideration. This is because DO affects the vannamei shrimp metabolic process. Therefore, ensure the feeding is done when the pond water DO is in good condition.

3. Make Sure the Method of Feeding is Done Correctly

Artificial feeding for vannamei shrimp is usually carried out from when the fry begins to be stocked until the harvest. However, the types of feed given are differentiated based on the age (DOC) of the shrimp. In addition, the amount of feed must also be considered carefully so that the shrimp have a sufficient feed.

Feeding can be done in two ways: direct distribution around the pond area and feeding placed in the feed anco.

While still in the early stages of cultivation, feeding in the form of crumble must be mixed with water so that the feeding is evenly distributed, sinks quickly, and does not scatter in the wind. Furthermore, feeding can be spread directly around the pond or using anco.

Also Read: The Efficiency of Vannamei Shrimp FCR for Successful Cultivation

Get the Best Vannamei Shrimp Feed at DELOS AquaLink

Good feed management is the key to the success of vannamei shrimp farming. The nutritional content and type of feed greatly affect the growth and development of this shrimp with the Latin name Litopanaeus vannamei. In addition, the type of feed and the nutritional content in it must also be adjusted to the age of the shrimp.

If you want to get good and quality vannamei shrimp feed, DELOS has a Supply Chain Integration program that can help meet your shrimp pond cultivation needs. It starts from the need for feed, medicine, logistics, and other needs.

This Supply Chain Integration program called DELOS AquaLink that connects our partners with suppliers and buyers to get products with the best quality and price.

To join this program, contact DELOS via contact@delosaqua.com or submit via the contact column on our website www.delosaqua.com. Let’s start doing aquaculture business with DELOS!

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05Apr
AquacultureTips

How to Make Shrimp Farming More Resilient to Climate Change

Creating shrimp farming that is more resilient to climate change is crucial to maintaining high productivity. Especially since many shrimp ponds rely heavily on environmental conditions, particularly the availability of clean water at stable temperatures.

Fluctuating climates significantly impact shrimp farming, especially regarding water temperature, changes in rainfall patterns, and the potential for storms. While the effects of climate change are highly unpredictable, adaptation measures must be implemented by farmers to ensure their shrimp farming becomes more resilient to these changes.

Adapted from the writings of Kyra Hoevenaars and Jonah van Beijnen, here are some tips you can follow to make shrimp farming more resilient to climate.

Also Read: HACCP Certification: Procedures, Requirements, and How to Obtain It

Tips For Making Shrimp Farming More Resilient to Climate Change

1. Implement Good Farming Management

Implementing good shrimp farming management is the first step in addressing climate change, especially concerning the location of shrimp farming, ensuring appropriate stocking densities, and ensuring the biosecurity of your shrimp ponds.

Vulnerability to diseases is likely to increase with climate change because shrimp immune systems can be compromised when experiencing stress due to significant environmental changes in relatively short periods. By implementing good shrimp farming management, vulnerability to climate change-induced diseases can be prevented and mitigated.

2. Conduct Risk-Based Analysis

If you’ve just opened a new shrimp farming area, risk-based analysis should be conducted regarding climate change and other extreme weather events. This can also be applied to existing shrimp ponds. Analysis can be performed by examining climate change risks, potential impacts, and risk mitigation capacities.

If after conducting risk-based analysis problems cannot be addressed, relocating ponds to safer areas should be considered. Typically, this issue is faced by areas prone to drought and flooding.

3. Product Diversification

Product diversification is a common strategy used to reduce risks of losses due to climate change. This allows production to continue if one type of farming fails.

Diversification only works if different species are not subject to the same risks, such as specific disease outbreaks. Economically, diversification also makes farmers’ income sources more varied, stabilizing production and potentially increasing resource efficiency.

Additionally, market diversification between local, national, and international options is also important.

Also Read: 5 Ways to Process Shrimp to Avoid a Fishy Flavor when Cooking

4. Utilize Early Warning Systems

Farmers should be familiar with climate change information and climate variations from reliable sources. Obtaining timely information or even earlier can allow farmers to respond more quickly to potential risks.

For example, understanding weather forecasts from the Meteorology, Climatology, and Geophysics Agency (BMKG). Through this, you can prepare for upcoming extreme weather, so you know what treatments your ponds will need next.

5. Improve Pond Infrastructure

To make shrimp farming more resilient to climate change, you need to improve your shrimp pond infrastructure. For example, by building higher and stronger embankments to protect against floods or creating deeper ponds in preparation for the dry season.

During the rainy season, it is important to ensure that your ponds can drain water out properly. For this, it is important to ensure that pipes and channels for water inflow and outflow, as well as drainage, work properly.

Moreover, ensure that the water channels are wide enough to accommodate extra water during heavy rains and floods. While during the dry season, these channels can be useful for ensuring the supply of water from the sea or rivers to the ponds.

6. Collaborate with Others

Most climate adaptation measures cannot be implemented by individuals alone. Therefore, farmers need to collaborate to achieve a common goal of productive and climate-resilient farming.

Through this organization, the exchange of knowledge and experiences can become stronger. Furthermore, access to information and existing resources. Taking collective responsibility in adapting to climate change is an important step in building farming that is more resilient to climate change.

Also Read: Vannamei Stocking Density and How to Calculate It

Start Your Vaname Shrimp Farming with DELOS!

To be able to create shrimp farming that is more resilient to climate change, effective and efficient steps are needed. In addition, to take these steps, considerable costs are required. Therefore, government support through policies, legislation, and financial support for implementing adaptation measures will be crucial.

To make your shrimp ponds more productive, you can entrust the management of your vannamei shrimp farming to DELOS! With a team consisting of the top 99 individuals in Indonesia, DELOS is ready to help you achieve optimal harvest productivity.

Contact DELOS via contact@delosaqua.com or submit your pond issues through the contact column on our website www.delosaqua.com. Start your vannamei shrimp farming with DELOS!

___________________________

References:

Hoevenaars, K., & van Beijnen, J. (2024). Six ways to make your aquaculture operations more climate-resilient. Retrieved from thefishsite.com in April 2024.

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30Mar
Fun ReadTips

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

ways to process shrimp
Source: freepik.com/topntp26

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!

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27Mar
AquacultureTips

What Is MBW Term In Shrimp Farming and How To Calculate It?

In shrimp farming, there are many important terms that farmers must know, one of them is MBW or Mean Body Weight. The term MBW refers to the average weight of vannamei shrimp per head resulting from sampling in a certain period.

MBW term in shrimp farming plays an important role during the cultivation period. It is because MBW is also used to calculate various other aspects of growth in shrimp. For example, to calculate ADG (average daily growth) and biomass of the vannamei shrimp.

So, how to calculate the MBW of vannamei shrimp? Let’s get to know about it in this article!

 Also Read: Latest Vannamei Shrimp Prices in Indonesia

What is MBW Term in Shrimp Farming?

mbw in shrimp farming
Source: DELOS Documentation

If you have been in the aquaculture industry for a long time, especially shrimp farming, you might know there are many unique terms which generally abbreviated. Starting from ABW, MBW, FCR, SR, and many more.

The term MBW comes from the mean body weight, which means the average weight. In shrimp farming, MBW is the average weight of shrimp per head obtained from routine sampling during cultivation.

The purpose of doing this MBW calculation is to determine the condition and growth of shrimp. In addition, if certain diseases attack the shrimp, it can also be known from the sampling carried out regularly by looking at the anomalies of its growth.

In addition, if there is an anomaly in the growth of shrimp or even if the shrimp is infected with diseases, it can also be identified through abnormal MBW conditions as an early detection before further lab research is carried out.

Also Read: Types of Vannamei Shrimp Feeds to Make Your Shrimp Grow Faster

How to Calculate MBW of Shrimp?

How to calculate the MBW of shrimp is quite easy to do; the first step is to take a random sampling of shrimp at several anchor points in the same pond map. The shrimp that were successfully taken were then weighed and counted.

After calculating each weight and number of shrimp in the sampling, you can use a special formula, namely by dividing the total weight of the shrimp by the total number of shrimp weighed.

Simply put, the shrimp MBW formula is as follows:

mbw udang adalah

Isn’t it easy to calculate the MBW of shrimp? However, keep in mind that sampling must be done in the same place on each pond plot. This aims to obtain more accurate results in measuring the growth of shrimp.

Also Read: 10 Types of Shrimp for Aquaculture and Aquascape

Shrimp Farming is Easier with DELOS Farm Management

MBW term in shrimp farming can be said to be one of the important calculations during cultivation. It is because by calculating and knowing the MBW of shrimp, farmers can find out how the growth and development of their shrimp are.

If you have a shrimp farm on an intensive or super-intensive scale, managing a shrimp farm, including calculations related to MBW and so on, will be a bit of a hassle.

However, you don’t have to worry because DELOS is here to help you manage your shrimp farm. DELOS is the best science, technology and operations management-based aqua-tech company that can help you explore new opportunities in aquaculture.

DELOS Farm Management is also integrated with AquaHero app, making it easier for farm owners and technicians to monitor their shrimp ponds daily.

Confused about supply problems for pond needs? DELOS also has a Supply Chain Integration program, you know. We can help connect you with producers and farm owners to get and sell products for pond needs at the best prices.

You can easily contact the DELOS Team via contact@delosaqua.com or submit via the contact column of our website www.delosaqua.com to find out more about Farm Management and our Supply Chain Integration program. Trust your farm management to DELOS!

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22Mar
AquacultureTips

Tips for Choosing and Determining the Number of Shrimp Pond Aerators

Shrimp pond aerators are one of the essential equipment in intensive and super-intensive aquaculture. These aerators, also known as aerators, are useful for maintaining dissolved oxygen (DO) levels within the optimal range.

Additionally, aerators serve several other functions, such as stratifying DO concentrations in ponds, regulating sediment deposition, stabilizing water currents in ponds, maximizing feed distribution areas, and minimizing dead spots in ponds.

The presence of shrimp pond aerators is crucial, so you need to ensure you have chosen good quality aerators and installed them in the right quantity in your vannamei shrimp ponds. Find out more tips in this article!

Also Read:  How to Easily Calculate Vannamei Shrimp Size

Tips for Choosing Shrimp Pond Aerators

1. Ensure the Quality of Shrimp Pond Aerators

Currently, many domestic and international aerator factories offer high-quality aerators at affordable prices. Aquaculturists can conduct small research to compare the quality and prices of each aerator factory available. By conducting this research, aquaculturists can obtain the necessary information to make the right decision in choosing aerators that suit their needs.

2. Pay Attention to Aerator Power

The oxygen requirements in each pond can vary depending on several factors, such as stocking density, pond area, and shrimp growth stage (Day of Culture/DoC). Ponds with high stocking densities require more aerators than ponds with lower stocking densities. The size of the aerator should also be adjusted to the pond area to ensure sufficient oxygen distribution. The same applies to the shrimp growth stage.

In the initial stage, when the shrimp are still in the larval stage, fewer aerators may be needed compared to when the shrimp have grown larger. It is important to ensure that the selected aerators can effectively increase oxygen levels and distribute them evenly throughout the pond. As a guide, an aerator with a 1 Horse Power (HP) rating is considered ideal for supplying oxygen for every 500 kg of shrimp. Furthermore, to determine the number of aerators required, the total biomass of shrimp needs to be estimated first.

3. Choose Rust-Resistant Aerators

Shrimp pond aerators are often exposed to water directly, requiring sturdy construction and materials. The main component that is very vital is the dynamo or engine part. Therefore, it is advisable to ensure that this part has good resistance to water exposure and is not prone to rust.

4. Ensure Aerators Have Easily Accessible Spare Parts

When selecting shrimp pond aerators, it is important to ensure that their spare parts are easily accessible. Thus, if there are any problems or damage to the aerators, you can immediately complete the necessary repairs and maintenance.

Also Read: Understanding the Term “Anti-Dumping” in Shrimp Export

Determining the Number of Required Aerators

To determine the number of shrimp pond aerators required, you need to consider several factors such as the available pond area, shrimp stocking density, available water resources, and proper shrimp pond management. Here are the steps you can follow:

1. Calculate Pond Area

The first step in determining the number of aerators needed for shrimp cultivation is by calculating the pond area. This is because not all ponds are the same size. Make sure you also measure the size of the aerators to fit the pond area you have.

2. Calculate Shrimp Stocking Density

The vannamei shrimp stocking density is also one of the factors that determine the number of shrimp pond aerators you need. The higher the stocking density, the more aerators are required. This is to ensure that the amount of oxygen received by the shrimp remains sufficient even when cultivated at high stocking densities.

3. Determine the Number of Aerators

After knowing the pond area and shrimp stocking density, you can then determine the number of shrimp pond aerators needed. Calculate the number of aerators required based on the pond area and aerator size. Make sure each area of the pond receives sufficient aeration to support healthy shrimp growth.

Also Read: How to Increase the Appetite of Vannamei Shrimp

Vannamei Shrimp Cultivation is More Productive with DELOS!

Shrimp pond aerators are one of the important shrimp pond equipment to use during cultivation. This is because aerators make aeration in the pond more uniform, and shrimp receive sufficient oxygen supply for optimal growth.

For those of you who still need to figure out the need for aerators in shrimp ponds or want to discuss vannamei shrimp cultivation issues, you can contact DELOS! DELOS is an aquatech company that can help you explore new opportunities while making your shrimp cultivation more productive.

Contact DELOS at contact@delosaqua.com or visit our website at www.delosaqua.com to discuss your vannamei shrimp cultivation issues further.

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19Mar
AquacultureTips

How to Easily Calculate Vannamei Shrimp Size

Vannamei shrimp size is one of the crucial parameters for determining the success of cultivation. Usually, there is a target size to be achieved for certain post-larval shrimp stages. Therefore, farmers must know how to calculate shrimp size accurately.

Knowing how to calculate vannamei shrimp size accurately can provide many benefits for farmers. This includes feed planning, determining selling prices at harvest, and assessing whether shrimp cultivation is being done correctly.

For those who are not familiar with vannamei shrimp size, here is a summary for you.

Also Read: Understanding the Term “Anti-Dumping” in Shrimp Export

What is Vannamei Shrimp Size?

Size in shrimp cultivation is one of the indicators of successful farming. By knowing the size of the shrimp, you can determine the profit you will get in one cycle because size also determines the selling price to suppliers.

Vannamei shrimp size is a measurement system based on the number of shrimp per kilogram. The smaller the size number, the heavier and larger the shrimp produced. For example, a size 20 shrimp means there are 20 shrimp per kilogram.

Usually, during cultivation, shrimp with a size of 100 already have a market value, so partial harvesting is done. Subsequently, farmers can harvest when the shrimp reach size 90, size 50, and so on.

Also Read: 11 Types of Shrimp Diseases that Often Occur During Cultivation

How to Calculate Vannamei Shrimp Size?

Calculating vannamei shrimp size is not difficult to understand. Usually, shrimp size is measured periodically during cultivation at certain post-larval stages and at harvest. Both are done using sampling methods.

After taking several shrimp for sampling using a scoop net or net, you can calculate the size using the formula:

For example, if sampling is done at post-larval stage 50 and the average body weight of shrimp obtained is 15 grams. Then, the size calculation is as follows:

Size = 1000 grams / 15 grams = 66.67

So, the calculated shrimp size is 66.67 shrimp/kg.

Also Read: When is the Right Time to Change Shrimp Pond Water?

Tips to Achieve Optimal Shrimp Size

1. Ensure Water Quality Remains Optimal

The first tip to achieve optimal shrimp size is to ensure that all water quality parameters are always within the optimal range. Poor water quality can hinder shrimp growth. Moreover, sudden changes in water quality can stress the shrimp.

2. Choose High-Quality Post-Larvae

In essence, selecting high-quality post-larvae is the key to successful vannamei shrimp farming, including achieving optimal shrimp size. Incorrect selection and uncertified post-larvae can result in slow growth or increased susceptibility to diseases, making it difficult to achieve optimal size.

Furthermore, improper post-larvae stocking can lead to suboptimal shrimp growth. For example, excessive exposure to direct sunlight, stocking post-larvae without prior acclimatization, neglecting water quality, and overstocking.

3. Implement Best Operational Management

Implementing good operational management of shrimp ponds can also be a factor in achieving optimal shrimp size or not. Operational management includes feed management, water quality management, and daily shrimp maintenance.

4. Ensure Shrimp Nutrition is Met

When conducting intensive to super-intensive vannamei shrimp farming, providing feed and other supporting nutrition is crucial for optimal shrimp growth. Make sure to provide feed suitable for shrimp age, both in terms of nutrient composition and quantity.

5. Conduct Regular Sampling

To monitor the growth of your shrimp size and determine whether your shrimp are growing optimally, you need to conduct regular sampling. This sampling is very useful for checking the overall condition of your shrimp, including their health.

Also Read: Application of Proper Biosecurity for Shrimp Ponds

Vannamei Shrimp Farming is More Productive with DELOS!

Calculating vannamei shrimp size is easy to do once you know how. Additionally, you need to ensure that you continuously monitor the growth rate of your shrimp during cultivation.

DELOS can help you manage your vannamei shrimp ponds, including improving production yields in each cycle. DELOS is a leading aquatech company based on science, technology, and best operational management practices that can help you explore opportunities in this industry.

Contact DELOS at contact@delosaqua.com or visit www.delosaqua.com to discuss your shrimp farming issues. Vannamei shrimp farming is more productive with DELOS!

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13Mar
AquacultureTips

How to Increase the Appetite of Vannamei Shrimp

Increasing the appetite for vannamei shrimp poses a challenge for farmers. This is because shrimp that lack appetite can have an impact on their health and growth, directly affecting pond productivity.

Feeding vannamei shrimp is a key factor in supporting their growth and development. Feeding should be done efficiently to avoid overfeeding.

Decreased appetite in vannamei shrimp is a common obstacle for farmers, especially when shrimp are moulting. So, what factors influence this and how can they be overcome? Find out in this article!

Also Read: How to Overcome and Prevent Floods in Shrimp Ponds

Signs of Vannamei Shrimp Not Eating

To determine whether shrimp are eating well or not eating at all, you can check by feeding them. If the shrimp food is left uneaten or barely touched, it’s a sign that your shrimp are not eating. Here are the complete signs:

1. Decreased Activity

The first sign of vannamei shrimp not eating is decreased activity in the pond. Shrimp that are not eaten tend to be less active and sluggish. They may move more slowly or lack enthusiasm in searching for food.

2. Weight Loss

If shrimp aren’t eating enough, they can experience significant weight loss. You may notice a decrease in body size or loss of body mass from checking the average body weight (ABW) of shrimp that aren’t eating well.

3. Ignoring Food

Shrimp that lack appetite may not be interested in the food provided. They may ignore the food they usually consume eagerly. When shrimp aren’t eating, they tend to ignore the vannamei shrimp feed provided, resulting in more leftover feed on the water’s surface.

4. Empty Shrimp Intestines

Another sign of shrimp not eating is that their intestines appear empty. Empty intestines occur because no food enters the shrimp’s body to be digested.

Causes of Decreased Shrimp Appetite

Decreased shrimp appetite can be caused by several factors, including:

1. Poor Pond Water Quality

Poor pond water quality can cause decreased shrimp appetite. This is because shrimp will feel uncomfortable in a poor environment, leading them to refuse food.

Additionally, poor pond water quality can trigger stress in shrimp and slow down their metabolism, making them more susceptible to disease. Therefore, it’s important for farmers to regularly change the water and ensure that water quality parameters are always optimal.

2. Shrimp Stress

Stressed shrimp usually lose their appetite. The main stress triggers come from sudden and drastic changes in environmental conditions. To ensure this, farmers can observe the signs of shrimp stress.

To prevent stress in shrimp that can lead to decreased appetite, farmers can prevent it by routinely monitoring water quality parameters and creating a safe and stable environment.

3. Extreme Weather

Extreme weather changes can also affect shrimp appetite. Drastic changes in weather within a short period can alter pond temperature, which in turn affects shrimp body metabolism. Therefore, it’s essential to ensure that pond temperature remains stable during cultivation.

4. Shrimp Infected with Disease

When shrimp lose their appetite, farmers should be alert. Early symptoms of disease infection caused by bacteria or viruses can be seen in shrimp behaviour, such as refusing to eat. Examples of bacterial diseases that can affect shrimp appetite include Early Mortality Syndrome (EMS) and White Feces Disease (WFD).

On the other hand, viral diseases like White Spot Syndrome Virus (WSSV), Taura Syndrome Virus (TSV), Infectious Myonecrosis Virus (IMNV), and Infectious Hypodermal and Hematopoietic Necrosis Virus (IHHNV) can also affect shrimp appetite.

To prevent various diseases, it’s important to maintain water quality and pond environment regularly and ensure pond cleanliness.

5. Poor Feed Quality

Vannamei shrimp require nutrients such as protein, carbohydrates, fats, fiber, and ash to grow optimally and reach maximum weight. Lack of one or more of these nutrients can disrupt shrimp body metabolism, leading to decreased shrimp appetite.

Moreover, adjusting the type of feed given according to the shrimp’s age is also important. For example, shrimp under 16 days old are given powder feed, while shrimp aged 16-45 days are given granule feed, and shrimp over 45 days old are given pellet feed.

Also Read: The Use of Dolomite Lime in Shrimp Farming: Benefits and Implementation

Ways to Increase Shrimp Appetite

1. Feed According to Needs

The first way to increase vannamei shrimp appetite is to feed them according to their needs. To grow optimally, shrimp need balanced nutrition, including protein, fat, fibre, and ash in optimal amounts. Additionally, ensure that the feed provided is suitable for the shrimp’s age and moulting phase.

2. Conduct Regular Health Checks on Shrimp

Conduct periodic physical examinations to determine the health condition of the shrimp. Signs of health can be seen in their physical appearance, such as a full stomach, spread tail, active movement, normal body colour, and bright eyes.

If shrimp show abnormal behavior such as swimming on the surface or staying at the bottom of the pond for a long time, this may indicate that the shrimp are unhealthy.

3. Ensure Good Water Quality

The last way to increase vannamei shrimp’s appetite is to ensure their living environment is always in good condition. This includes maintaining water quality parameters and conditions around the pond.

Additionally, ensure that you regularly change the water to reduce shrimp stress levels, thus maintaining normal shrimp appetite.

Also Read: 5 Important Aspects in Vannamei Shrimp Farming that Must Be Known

Vannamei Shrimp Farming is More Productive with DELOS!

Increasing the appetite for vannamei shrimp is not too difficult. You just need to ensure that the pond environment conditions are always optimal, provide feed according to the needs, and conduct periodic health checks on shrimp.

If you want optimal vannamei shrimp harvest results, you can entrust your vannamei shrimp farming to DELOS! DELOS is the best aqua-tech company based on science, technology, and operational management that can help you explore new opportunities and increase your pond productivity.

DELOS Farm Management is also integrated with the AquaHero application, making it easier for Farm Owners and Technicians to monitor pond conditions daily.

Contact the DELOS Team via contact@delosaqua.com or submit through the contact column on our website at www.delosaqua.com for further discussion. Vannamei shrimp farming is more productive with DELOS!

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06Mar
AquacultureTips

5 Important Aspects in Vannamei Shrimp Farming that Must Be Known

important aspects in vannamei shrimp farming
Important Aspects in Vannamei Shrimp Farming

Before engaging in shrimp farming, farmers must be aware of the crucial aspects of Vannamei shrimp cultivation. This is essential to ensure that the farming activities proceed smoothly and yield satisfactory harvests. Considering that shrimp is one of the vital commodities in the fisheries industry, it becomes imperative to understand these aspects thoroughly.

The Ministry of Maritime Affairs and Fisheries has set ambitious targets regarding Vannamei shrimp production, aiming to reach 2 million tons by 2024. Achieving this goal requires collaboration from various parties, including the government and shrimp farmers. The following are the crucial points that should be considered in Vannamei shrimp farming:

Also Read: The Use of Dolomite Lime in Shrimp Farming: Benefits and Implementation

Important Aspects in Vannamei Shrimp Farming

1. Availability of Water Source

One of the crucial aspects in Vannamei shrimp farming is the presence of a good water source. Vannamei shrimp require good water quality for optimal growth. Ensure that the pond water is free from contaminants such as industrial waste, agricultural waste, pathogens, and carriers of pests that can harm shrimp’s health.

Additionally, it’s important for farmers to routinely monitor water quality parameters daily. Optimal water quality conditions can promote optimal shrimp growth.

2. Type of Pond

When planning to construct shrimp ponds, it’s important to consider the type of pond that suits the budget and project objectives. There are four different types of ponds in terms of technology: extensive ponds (traditional), semi-intensive, intensive, and super-intensive.

Extensive ponds are known for low stocking densities, hence they tend to have lower productivity. However, they are easier to maintain compared to other types of ponds, resulting in lower risks of shrimp diseases. Typically, stocking densities in extensive ponds are <50 shrimp/m2.

On the other hand, semi-intensive ponds have higher stocking densities than extensive ponds, but are not as densely stocked, typically around <100 shrimp/m2.

Intensive ponds generally use direct earthen ponds but can be equipped with liners to reduce soil erosion. Intensive pond depths are also deeper than 1 meter to allow shrimp to move freely. Stocking densities in intensive ponds are >100 shrimp/m2.

Super-intensive ponds have even higher stocking densities, >200 shrimp/m2. However, this type of pond requires considerable investment due to the higher oxygen demand, necessitating more oxygen supply equipment. The depth of intensive ponds should also be increased to around 2.6 meters to prevent overcrowding of shrimp.

Also Read: Challenges in Vannamei Shrimp Farming

3. Selection of Postlarvae (PL)

The selection of postlarvae (PL) is crucial in Vannamei shrimp farming and should be carefully considered. The PL to be stocked should be healthy and free from diseases. Therefore, the PL must undergo a series of tests to ensure their health.

Before stocking, the PL should be in a stress-free condition after the shipping process. During transportation, the PL will be anesthetized and needs to recover before stocking. The recovery process can be done by gently swirling the PL bags. PL that are in good condition will swim against the current, while stressed PL will follow the current. Stressed PL should not be stocked immediately to reduce mortality rates.

The transportation of PL from the hatchery to the ponds poses its own challenges. PL must have sufficient oxygen supply during transportation to remain alive and reduce stress due to shipping.

4. Feed Selection

Choosing the right feed with appropriate nutrition is important in Vannamei shrimp farming and should be considered by all farmers. Various types of feeds are available for Vannamei shrimp farming, ranging from natural feeds to artificial feeds.

Ensure that the feed you choose has a balanced nutrient content suitable for the shrimp’s growth at each stage. Additionally, the amount and frequency of feeding should be well-regulated to avoid overfeeding or underfeeding.

5. Farm Management During Farming

Effective pond management is crucial to achieve optimal harvest results. This includes routine monitoring of pond environmental conditions, disease and predator control, feed management, and maintenance of pond infrastructure. Additionally, a risk management plan should be developed to anticipate potential issues that may arise during shrimp farming.

Also Read: Wild-caught Shrimp or Farmed Shrimp? Here’s the Consideration!

Start Your Vannamei Shrimp Journey with DELOS!

Understanding the critical aspects of shrimp farming is crucial for farmers before engaging in shrimp farming. This is done to ensure that shrimp farming activities proceed smoothly and achieve optimal harvests.

However, there’s no need to worry because DELOS is here for you! DELOS is an aqua-tech company based on the best science, technology, and operational management practices that can help you explore new opportunities in the field.

We use a problem-solving approach involving social, environmental, infrastructure, and regulatory considerations at the designated pond locations. Furthermore, our Farm Management is integrated with the AquaHero application, making it easier for you to monitor pond conditions daily.

DELOS also offers a Supply Chain Integration program to assist our partners in obtaining the best products and prices for their shrimp farming activities.

So, contact DELOS at contact@delosaqua.com or submit your inquiries through the contact form on our website www.delosaqua.com. Let’s start Vannamei shrimp farming with DELOS!

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