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Experience in Stocking Fingerlings for Tilapia Pond Aquaculture
1. Selection of fingerling size for stocking. Adult fish farming generally involves stocking in the same year and harvesting in the same year, so the fingerling stocking size is generally 3-10 cm, which gives a high fingerling survival rate, large marketable fish size, and high economic returns. At present, the fingerling sizes for tilapia farming in China mainly fall into three
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Detailed Explanation of Key Technical Points for Shrimp Fry Stocking in Spring
1. After thorough pond disinfection, it is essential to splash Jiedu Lvshuibao or Hushui Jiedu Wang to neutralize and expel toxins. After 4 hours, splash compound Bacillus or Xinjunke combined with Heitujing over the entire pond (they must be soaked in water 4 hours in advance). This decomposes disinfected animal carcasses and other organic debris and converts them into nutrients needed for algae growth, which helps cultivate algae and fertilize the water, and cultivate bacteria to maintain water quality. Then choose a sunny morning with ample sunlight to fertilize the water. If conditions permit, add 10 cm of fresh algae-containing water to introduce algae species, or use Duozaoyuan to supplement algae species. Before fertilizing the water, turn on the aerator to make the water flow, which is beneficial for algae reproduction and growth. Fertilization: soak Qiangxiao Peizao Gao, Feishui Kele or Yizao Yingyangsu, Feishui Lishengsu in water for 4 hours before splashing. For ponds where water fertilization has failed or does not work for a long time, after filling with water, first use Hushui Jiedu Wang and Heitujing to purify the water, then after 4 hours use the above water fertilization products with Duozaoyuan to fertilize the water.</p><p>2. Most Litopenaeus vannamei (Pacific white shrimp) farmers believe that the first batch of shrimp fry is the best, and they all ignore weather conditions in order to grab the first batch of fry, even stocking fry at lower temperatures. If strong winds and cooling weather occur within two days after stocking, causing a sudden drop in temperature, the shrimp will have a strong stress response. Because the fry are relatively weak, this can easily cause fry mortality. Therefore, stocking fry requires patience. Wait for consecutive good weather to stock fry, and choose a sunny morning or evening. Before stocking, use Jiedu Lvshuibao or Hushui Jiedu Wang to remove toxins from the water, and splash VC Yingjiling and Fuhe Gaibao to improve the fry's stress resistance and promote molting. 3. When selecting shrimp fry, understand the qualification, commercial reputation and technical strength of the hatchery enterprise, such as whether the production of broodstock and seedlings is standardized, whether it meets national requirements, and whether antibiotics are used or high-temperature seedling production is carried out throughout the production process. When purchasing fry, whether the enterprise can present quarantine qualification certificates from relevant government departments to ensure the health of the shrimp fry is the primary condition for successful farming. 4. Maintain the stability of pond water. Too lean or too fertile water will cause oxygen deficiency. Choose excellent water fertilization products such as Qiangxiao Peizao Gao, Jiaosu Gaifei, Yizao Yingyangsu, Feishui Kele, Feishui Lishengsu, Duozaoyuan, etc. to cultivate high-quality algae and keep the water body fertile, lively, tender and refreshing. When the water is too fertile and too dense, appropriately exchange part of the water, use Jiangjie Wang to improve water permeability, and use microecological preparations such as compound Bacillus, Xinjunke, pure EM bacteria, etc. to maintain the balance of algae and bacteria in the pond water. Regularly use Heitujing combined with compound Bacillus, Yingji Di Jiankang and other substrate improvers to keep the pond bottom clean and prevent moss, giving the shrimp a good bottom environment. 5. Feed reasonably. The feeding time is about 2 hours. Check the shrimp's feeding situation while they are eating to avoid leftover feed or insufficient feed. Regularly add health nutritional products such as Fengxia Gaowen C, Mianyi Huoliyuan, Hugan Weibao, Kaiwei Putang, etc. to the feed to improve the shrimp's feeding ability and the body's disease resistance, and improve the intestinal tract. Especially during the juvenile shrimp liver transition period, Hugan Weibao, Fengxia Gaowen C, Mianyi Huoliyuan, etc. should be added. 6. Use drugs reasonably. When shrimp become sick, according to the incidence situation and symptoms, use drugs safely under the guidance of technicians, and try to avoid using highly irritating drugs or antibiotics. It is recommended to usually splash herbal antibacterial and detoxifying traditional Chinese medicine products such as Caoben Jundumie for prevention, and at the same time pay attention to regulating water and improving the bottom, maintaining excellent water quality and substrate environment.</p>
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How should the timing of shrimp fry stocking and water temperature be managed to achieve high yields?
No matter what kind of aquaculture it is, farmers all hope to exchange the smallest investment cost for the largest profit margin. Therefore, for farmers, achieving high yield is the issue they care about most, so reasonably mastering their living environment and living water temperature is very
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Detailed Explanation of Key Technical Points for Spring Stocking of Tilapia Fry
The whole year's work depends on a good start in spring. After mid-March, air and water temperatures in South China begin to rise gradually and stabilize; farmers are now in the preparation stage for stocking tilapia fry. 1. Precautions for stocking fry Relevant preparatory work should be done before stocking fry. After the pond is cleared
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A Detailed Guide to Crayfish Stocking Methods and Precautions
There is a lot of preparatory work to do before stocking crayfish. Crayfish cannot simply be stocked and then raised; their farming requires certain techniques and skills, and only by mastering these techniques and skills can their benefits be maximized. Crayfish stocking
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What is a suitable stocking density for softshell turtle farming? How many should be stocked per mu?
Speaking of softshell turtles, I think everyone is quite familiar with them. As people's living standards continue to rise, softshell turtles have gradually made their way into more households and more hotels, so the market demand for softshell turtles is also growing. More and more people are taking up softshell turtle farming as well.
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How to Grow Autumn Napa Cabbage? A Must-Have for Stocking Up for the New Year in the North
Napa cabbage is the apple of vegetables. When people think of vegetables, it is the first one that comes to mind. High-quality autumn napa cabbage is popular all over the country. It is also the main force in stocking up vegetables for winter in the North. Now is the perfect season to plant autumn napa cabbage. Has planting started where you are?
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How to Achieve High Yield When Stocking Fish Fry in Ponds After the Start of Spring? Farmers Should Remember These 6 Points
After the Start of Spring, many farming activities need to begin preparation. Under the impact of the epidemic, there may be delays, but everything that needs to be prepared should start being prepared. So what are the high-yield methods for stocking fish fry in ponds after the Start of Spring? Farmers should remember these 6 points! 1. Pond Stocking of Fry
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How high is the success rate of restocking after African swine fever?
We've probably been hearing a lot about the topic of swine fever recently, and many farmers have suffered losses to varying degrees, which is very difficult for friends who rely on farming income to balance their household expenses. So how much do you know about the success rate of restocking after African swine fever? Let's
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What feed is better to give shrimp during the liver transition period?
Generally, when small shrimp have been stocked and farmed for about 18 days (15 days for mid-season or late-season shrimp), the seedlings have already grown into small shrimp of 3-4cm. At this point, liver development enters the liver transition period, which is the most important period for the sound functioning of the shrimp liver. So, what to feed shrimp during liver transition? 1. Shrimp liver transition
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