Rice field eel luring promoting grow agent based on net cage cultivation

Abstract

The invention belongs to the field of aquaculture technology, substantially relates to a preparation method for finless eel food calling attractant which is based on the cage cultivation. The main ingredients of the finless eel food calling attractant of the invention are: serum albumen powder, squid offal powder, betaine, complex vitamin, complex mineral, chlorination sinkaline, earthworm powder, sea fish meal, yeast and bond corn starch. The food calling attractant can effectively stimulate the smell and taste receptors of the finless eel, and enhance the appetite of the breeding finless eel, as well as promote the food intake of the finless eel; furthermore, the feeding time is short, thereby the output of the finless eel under the cage cultivation condition can be increased significantly.

Description

technical field [0001] The invention belongs to the technical field of aquaculture, and in particular relates to the preparation and application of a rice field eel feed-inducing and growth-promoting agent based on cage culture. Background technique [0002] Yellow eel (Monopterus allbus), commonly known as eel, belongs to the family Synbranchidae and is one of the main famous and high-quality freshwater aquatic products in China. It is mainly distributed in China, North Korea, Thailand, Japan and other countries. , due to the delicious meat and high nutritional value, the domestic and foreign markets have broad prospects and are very popular. At present, cage culture at home and abroad mostly adopts high-density feeding culture. At present, there is no full-price ricefield eel special feed that can be directly fed in the domestic market for raising eels in cages. Most of them are fed with mixed ricefield eel puffed granular bait and 40%-50% surimi, but it takes a long time...

AI Technical Summary

Problems solved by technology

At present, there is no full-price ricefield eel special feed that can be directly fed in the domestic market for raising eels in cages. Most of them are fed with mixed ricefield eel puffed granular bait and 40%-50% surimi, but it takes a long time for domestication. It usually takes 15-20 days to make most of the eels eat normally, which affects the growth period of the eels; secondly, due to the large amount of surimi and overfishing, the natural wild fish resources in the intensive culture area of ​​cages tend to be exhausted. The price of wild fish has risen rapidly, further increasing the unit cost of raising eels

In addition, a large amount of surimi is added to the bait, resulting in a sharp increase in ammonia nitrogen, hydrogen sulfide and other harmful substances in the eel water body, and the eutrophication of the water body is intensified. The poor water environment can also easily lead to the occurrence of eel diseases.