Detailed Explanation of Key Technical Points for Shrimp Fry Stocking in Spring

General News Jan 1, 1970By Sophie Bennett 0 views

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>

1. After the pond is thoroughly disinfected, it must be detoxified by splashing Jiedu Lvshuibao or Hushui Jiedu Wang to remove toxins, and after 4 hours, compound Bacillus or Xinjunke combined with Heitujing is splashed over the whole pond (they need to be soaked in water for 4 hours in advance), to decompose the disinfected animal carcasses and other organic debris and convert them into nutrients needed for algae growth, which is beneficial for cultivating algae and fertilizing the water, and for cultivating bacteria and maintaining water quality. Then choose a sunny morning with plenty of sunshine for fertilizing 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 good for algae reproduction and growth. Fertilization: use Qiangxiao Peizao Gao, Feishui Kele or Yizao Yingyangsu, Feishui Lishengsu, soak in water for 4 hours and then splash. For ponds where water fertilization has failed or the water does not become fertile for a long time, after filling with water, first use Hushui Jiedu Wang and Heitujing to purify the water, and after 4 hours use the above water fertilization products with added Duozaoyuan to fertilize the water.

2. Most Litopenaeus vannamei (Pacific white shrimp) farmers believe that the first batch of shrimp fry is the best, and in order to grab the first batch of shrimp fry they ignore weather conditions, and even release the fry at lower temperatures. Within two days after releasing the fry, strong winds and cooling weather occur, causing a sudden drop in temperature, which produces a strong stress response in the shrimp. Because the fry are in poor condition, this easily causes fry death. Therefore, releasing fry requires patience: wait for consecutive days of good weather to release the fry, and choose a sunny morning or evening to release the fry. Before releasing the fry, use Jiedu Lvshuibao or Hushui Jiedu Wang to remove toxins from the water, and splash VC Yingji Ling and Fuhe Gaibao to improve the stress resistance of the young fry and promote molting. 3. When selecting shrimp fry, it is necessary to understand the qualifications, commercial reputation and technical strength of the hatchery, 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 rearing is carried out throughout the production process; when purchasing fry, whether the company can present a quarantine qualification certificate from the relevant government department to ensure the health of the shrimp fry. This is the primary condition for successful farming. 4. Keep the pond water stable. Being too lean or too fertile 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, active, tender and refreshing. When the water is too fertile and too dense, change the water appropriately, use Jiangjie Wang to make the water body permeable, 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 together with compound Bacillus, Yingji Di Jiankang and other sediment improvers to keep the pond bottom clean and prevent green 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 hepatopancreas transition period of postlarvae, Hugan Weibao, Fengxia Gaowen C, Mianyi Huoliyuan, etc. should be added. 6. Use drugs reasonably. After shrimp become diseased, according to the incidence and symptoms, use drugs safely under the guidance of a technician, and try to avoid using highly irritating drugs or antibiotics. It is recommended to usually splash more herbal heat-clearing and detoxifying Chinese medicine products such as Caoben Jundu Mie for prevention, and at the same time pay attention to regulating water and improving the bottom, maintaining excellent water quality and bottom environment.

Detailed Explanation of Key Technical Points for Shrimp Fry Stocking in Spring

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