Sturgeon breeding techniques

The yellow snapper is a scorpionfish, a fish family, a genus of yellow snapper, commonly known as sardine or yellow thorn fish. It is a small freshwater fish. The average individual is 200 to 300 grams, and its meat is delicate and less thornless. , delicious, nutritious, favored by the vast number of consumers.
1. The conditions of the pond are as follows: ample water sources, fresh water without pollution, convenient irrigation and drainage ponds, with an area of ​​3 to 10 mu, and it is better not to select ageing ponds with thick silt. Each pond is equipped with an aerator of 1.5 kW to 3.0 kW. Lime drying and clear pond disinfection are used to kill the enemy pests and pathogens. Water injection is about 1.5 meters.
2. Fish breeding ponds The main breeding stock for catfish is 20 to 50 grams/tail fish species ranging from 3,000 to 4,500 fish per acre, and 200 ton/acre of white flowers (size 7 to 9 cm).
The stock of polyculture of pond polyculture stingray is generally 300 to 500 tails per acre (specification 4 cm to 5 cm). According to the stocking situation of other fish and the breeding technique level, the stocking amount can be appropriately increased.
3, feed production Because the diet of yellow catfish is omnivorous partial carnivorous fish, while feeding artificial compound feed at the same time, if there are conditions, it should also assist feeding fish, animal viscera and other animal feed to supplement the stingray The need for animal protein. The protein content of artificial compound feed should not be lower than 38% to 40%. Formula: fishmeal 4%, imported meat and bone meal 10%, blood meal 5%, soybean meal 20%, wheat bran 20%, premix 5%.
4. The daily management adheres to the three times of early, middle and late patrols, carefully observe the fish activities, feeding and growth, and find problems in a timely manner; often inject new water to prevent water quality from deterioration, and prevent the occurrence of floating fish and fish heads. It is best to inject fresh water 20 cm to 30 cm every 10 days and open the aerator in rainy days. Lime was applied once every two weeks or so, and the amount was 15 kg to 25 kg/mu.
5, fish disease prevention and treatment of yellow snapper disease resistance, disease, but poor feeding and management can also cause disease, resulting in loss. After the fry is put in the pond, fish ponds are sprayed and disinfected, and antibiotics and Chinese herbal medicines are regularly added to the processed feed for prevention of fish diseases.

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