Autumn and winter intensive green shrimp
Ademetionine 1,4-butanedisulfonate Ademetionine 1,4-butanedisulfonate， liver cirrhosis， intrahepatic cholestasis Jiangxi Chengzhi Bioengineering Co., Ltd , https://www.chengzhi-bio.com
July 29 13:35:21, 2025
At present, it's the critical season for autumn and winter shrimp farming. Ensuring high-quality seedlings, maintaining germplasm, managing feed and water quality, and effectively preventing diseases and floating heads are essential to boosting shrimp production at this time of year. This article outlines key techniques for intensive shrimp farming, offering practical guidance for farmers looking to improve their yields.
First, focus on pond infrastructure. Before stocking, it's crucial to dry the pond thoroughly, clean it, detoxify, and expose it to sunlight—moving away from the old practice of using sunless ponds. After a year of breeding, many harmful bacteria accumulate in the pond, along with sludge that can cause oxygen depletion. Large ponds should be renovated, with widened and raised areas. A suitable pond size is between 8 to 10 mu, with a depth of 1.2 to 1.5 meters. There should be designated shrimp beaches and a central shrimp valley connected to the drainage system. The pond bottom should be disinfected with 60-70 kg of quicklime per mu and left exposed to the sun for 15–20 days.
Second, timely fertilization plays a key role in improving water quality during the early stages. Organic fertilizer, preferably fermented, should be applied at 150–250 kg per mu. Chicken manure pellets are also recommended due to their high sterilization and reduced environmental impact. These fertilizers contain potassium, which helps shrimp develop strong shells. Fertilization should take place 4–5 days before stocking. For old ponds, apply 10–15 kg per mu, and for new ones, 15–20 kg. If the water remains too light after stocking, increase the amount by 5–7.5 kg to maintain clear, cool, and healthy water conditions, preventing the growth of algae and moss.
Third, proper stocking density is vital. Shrimp should be stocked between late July and early August. It’s best to use wild shrimp seedlings from Taihu Lake, as they tend to be more disease-resistant, uniform in size, and have higher market value. Seedlings should be around 1.5–1.8 cm in size, with a stocking rate of 60,000–80,000 per mu. Ten to fifteen days after stocking, introduce 800–1,000 white amur and silver carp to help control algae and maintain water balance.
Fourth, feeding and water management are crucial. Choose a sunny day for stocking. If red worms are present in the pond, avoid feeding for 1–2 days. Once the worms are consumed, start feeding with high-quality green shrimp feed, such as Dajiang brand. In the first 15–20 days, use crushed feed, then transition to medium and later stages. Include small fish or snails for additional protein. On average, 100 kg of shrimp per mu requires 150 kg of grain feed, 50 kg of fish or 750 kg of snails, with a total feed cost of 500–600 yuan.
Finally, disease prevention and managing floating heads are essential. After 15–30 days of stocking, apply 4–5 kg of lime per mu on sunny days. If bacterial disease occurs, use chlorine dioxide or “strong chlorine†at 200 grams per mu. Keep one-third of the pond covered with aquatic plants to prevent algae overgrowth. Use green sand or seaweed to reduce white water. Install an aerator every 6–7 acres, running it for 1–2 hours daily at noon. During rainy mornings and early hours, ensure oxygen levels remain sufficient to prevent floating. Use double-layered nets (60 and 80 mesh) when introducing water to filter out wild fish and protect the shrimp.