High-yield culture method for snake-headed fishes

Abstract

The invention relates to the technical field of culture and particularly relates to a high-yield culture method for snake-headed fishes. The method comprises the following steps: preparing a microbialwater purifying agent; stocking fish fries; and feeding the fish fries with high-protein feed, starting to feed drug-carrying fingerlings once every two months one year later, and harvesting adult snake-headed fishes two years later. The water purifying agent can settle to an interface of water and deposit of a pond bottom and can achieve the aim of purifying culture pond water; a magnetic nano-material with a large specific surface area is adopted as a carrier, so that the microbial water purifying agent has the advantages of easiness in settling, high purification efficiency, stable effect,easiness in treatment and the like; by using the feed which is reasonable in proportioning ratio and balanced in nutrition, water pollution can be alleviated, the growth of the snake-headed fishes can be promoted, and the quality of snake-headed fish can be improved; and through the drug-carrying fingerlings, the disease resistance of the snake-headed fishes can be further improved, and the snake-headed fishes can thrive.

Description

technical field [0001] The invention relates to the technical field of cultivation, in particular to a high-yield cultivation method for snakeheaded fish. Background technique [0002] Black fish is the common name of black snakehead, also known as black fish, raw fish, wealth fish, snake fish, fire head fish and so on. Black fish is ferocious by nature, has strong fecundity, and has a huge appetite. It can often eat all other fish in a certain lake or pond. Black fish can also glide on land, migrate to other waters to find food, and can live away from water for as long as 3 days. As early as two thousand years ago, it was listed as the top grade of insects and fish by "Shen Nong's Materia Medica", stone honey, bee cock, beeswax (propolis), oyster, tortoise shell, mulberry octopus, sea clam, Meretrix meretrix, and carp. Snakefish is a common edible fish in China, with large body, fast growth and high economic value. Black fish has few bone spurs, high meat content, and ri...

AI Technical Summary

Problems solved by technology

[0003] The existing snakehead breeding method usually uses feeding miscellaneous fish, poultry manure, etc., which has the disadvantages of soft meat and heavy muddy smell. In addition, due to the high bacterial content in the water body caused by feeding poultry manure, snakehead is prone to produce various bacteria Infection problem, the existing technology usually adopts long-term feeding of various antibiotics and medicines to solve this problem, which objectively further reduces the immunity of snakeheaded fish itself, resulting in low yield of snakeheaded fish, and its body is weak, and it is easy to turn over during transportation (syncope)

Images