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Compound feed for female parent fishes of sturgeons

A technology for compound feed and sturgeon, applied in animal feed, animal feed, application, etc., can solve the problems of limited food residence time, easy to cause diseases, microbial growth, etc., to improve reproductive performance, reduce breeding risks, and promote normal development. Effect

Inactive Publication Date: 2013-10-16
CENT LAB FUJIAN ACADEMY OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The physiological characteristics of fish are that the digestive tract is short, and the food stays in the digestive tract for a limited time. It is difficult for the nutrients in the food to be completely absorbed by the body in a short period of time. environment, and is highly susceptible to disease

Method used

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  • Compound feed for female parent fishes of sturgeons
  • Compound feed for female parent fishes of sturgeons
  • Compound feed for female parent fishes of sturgeons

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082]

[0083] Prepare powdered feed according to the formula shown in the above table, add water according to 30% of the total weight of each component of the powdered feed, add fish oil according to 5% of the total weight of each component of the powdered feed, stir evenly, and make it with a soft pellet feed machine Soft granule feed, uniform in color, stable and moderate in granule water, feeding speed and growth rate are the same as whole fishmeal feed, and can promote gonad development and maturation. The feed has the advantages of low cost, non-toxic, pollution-free, etc., and is suitable for feeding 3-5-year-old female sturgeon.

Embodiment 2

[0085]

[0086] Prepare powdered feed according to the formula shown in the above table, add water according to 30% of the total weight of each component of the powdered feed, add fish oil according to 5% of the total weight of each component of the powdered feed, stir evenly, and make it with a soft pellet feed machine Soft pellet feed, uniform in color, stable and moderate in pellet water, feeding speed and production speed are better than whole fishmeal feed, and can improve the gonad development of female fish. The feed has the advantages of low cost, non-toxic, pollution-free, etc., and is suitable for feeding 4 to 6-year-old female sturgeon.

Embodiment 3

[0088]

[0089] Prepare powdered feed according to the formula shown in the above table, add water according to 35% of the total weight of each component of the powdered feed, add fish oil according to 3% of the total weight of each component of the powdered feed, stir evenly, and make it with a soft pellet feed machine Soft granule feed, uniform color, stable and moderate granule water, feeding speed and production speed are better than whole fishmeal feed, can improve the spawning ability and egg quality of female fish, improve the flavor of caviar, and improve the quality of caviar. This feed is suitable for feeding female fish that are used to extract eggs to make caviar that year.

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Abstract

The invention discloses a compound feed for female parent fishes of sturgeons. The compound feed is prepared in the following craft processes of: preparing raw material components into a mixture according to a processing method of a powdered feed, adjusting water and fish oil, and carrying out extrusion and pelleting. The powdered mixture comprises the following raw material components: degreased fish meal, alpha-starch, extruded soybeans, extruded corns, oligopeptide bean pulp, oligopeptide soluble fish meal, feather peptide powder, beer yeast, mineral substances, multivitamins for the fish, choline chloride, monocalcium phosphate and the like. Compared with the other sturgeon feeds, the compound feed disclosed by the invention has the advantages that the content of oligopeptide protein is remarkably increased, the use level of the fish meal is obviously reduced, not only is the culturing cost lowered, and the baiting performance and the nutrition characteristic can be improved as well. With the adoption of the compound feed for the female parent fishes of the sturgeons, the nutrition state of a female parent fish population of the sturgeons can be greatly improved, the maturing of sexual glands of the female parent fishes are promoted, and the reproductive performances such as the egg laying amount and the quality of ova are improved.

Description

technical field [0001] The invention relates to the field of aquatic product compound feed, in particular to the field of powdered compound feed for eel. Background technique [0002] With the rapid development of the aquaculture industry, the demand for fishmeal, which is the main protein source of aquafeed, is constantly increasing, resulting in tight supply and demand, and the price is rising year by year. To solve this contradiction, in addition to increasing the development and utilization of new protein resources, it is also very important to rationally utilize protein resources, realize further balanced preparation of diets, improve the utilization rate of existing protein raw materials, and reduce blind waste. [0003] In the 1990s, my country began large-scale breeding and breeding of sturgeons, and the breeding industry developed rapidly. At present, my country has become the world's largest country for raising sturgeons. The rapid development of the sturgeon aqua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/10A23K1/14A23K1/16A23K1/165A23K1/175A23K1/18
Inventor 宋永康黄薇田宝玉余华倪金途
Owner CENT LAB FUJIAN ACADEMY OF AGRI SCI
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