Soft granular feed special for female sturgeon and preparation method of soft granular feed

Abstract

The invention relates to a soft granular feed special for female sturgeon and a preparation method of the soft granular feed. The feed comprises parent sturgeon expanded feed, and is prepared from the parent sturgeon expanded feed, adult eel formula feed, fish oil, algae extract, vegetable leaves, carrot, frozen trash fish and water. The feed is rich in nutrition, reasonable in formula, high in bait coefficient and high in survival rate, and can be used for promoting metabolism of fish bodies, reinforcing immunity of the fish bodies, promoting development of sexual glands of sturgeon and increasing the diameter of sturgeon roe, wherein carotenoid which is enriched in the vegetable leaves and carrot can be used for promoting pigmentation of sturgeon roe and is harmless to human bodies, so that the color of sturgeon roe is shallowed, even turned into golden yellow; meanwhile, the feed can be used for reinforcing the disease resistance of sturgeon, increasing the survival rate and increasing the size of roe by serving as an antioxidant. The preparation method is environmentally friendly, does not pollute the environment, and can be used for reducing cost and improving the feed utilization.

Description

technical field

[0001] The invention belongs to the field of aquaculture, and in particular relates to a breeding soft granular feed formula for female sturgeon reserve broodstock, which ensures the most sufficient nutrition in the gonad development stage, better promotes the development of gonads, and improves the amount of pregnant eggs and the color of scarce eggs. The invention discloses a special soft granular feed for female sturgeon with the content of golden-yellow fish roe and a preparation method thereof. Background technique

[0002] With the rapid development of the aquaculture industry, the large-scale breeding of sturgeon and the rapid development of the breeding industry have driven the development of the sturgeon feed industry objectively.

[0003] The greatest economic value of sturgeon lies in the caviar known as "black soft gold". How to ensure that sturgeon get the most adequate nutrition during the gonad development stage, better promote the development ...