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Feed additive for improving survival rate of hybrid snakehead seedlings, feed and preparation method thereof

A feed additive and hybrid snakehead technology, applied in functional feed and its preparation, functional feed additive and its preparation field, can solve the problems of low survival rate, many diseases, poor degree of domestication, etc. Feeding effect, the effect of promoting reproduction

Active Publication Date: 2020-11-24
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the present invention, the functional additives are mixed with various substances, complement each other, and have synergistic effects. Adding them to the compound feed improves the food-attractiveness of the compound feed for hybrid snakeheads, and solves the problem of poor domestication, many diseases, and survival problems in the current breeding process of hybrid snakehead seedlings. Low rate and other issues

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Mix 10 parts ferulae, 15 parts tangerine peel, 25 parts astragalus, 10 parts fennel, 10 parts kaempferia, 10 parts cinnamon and 20 parts licorice according to weight ratio, ultrafinely pulverize and pass through a 100-mesh sieve; add 10 times its mass of water Put it into the Chinese herbal medicine extraction and concentration equipment, control the temperature at 70°C, and extract for 3 hours under reflux in a water bath; after the end, it will be treated with ultrasonic extraction equipment for 1 hour to fully break the wall to release effective substances, and the superpower power is 25KHz; the filtrate is obtained by extraction and filtration; the filtrate is passed through Concentrate under vacuum and reduce pressure to extract 10% of the original filtrate volume. The temperature of the concentration tank is 75°C, the pressure is 0.09MP, and the vacuum degree is -0.05MPa; the obtained concentrate is spray-dried by a centrifugal spray dryer, and the feeding speed of ...

Embodiment 2

[0062] Mix 15 parts ferulae, 10 parts tangerine peel, 30 parts astragalus, 15 parts cumin, 15 parts kaempferia, 5 parts cinnamon and 10 parts licorice in proportion by weight, ultrafinely pulverize and pass through a 100-mesh sieve; add 12 times its mass of water Put it into the Chinese herbal medicine extraction and concentration equipment, control the temperature at 70°C, and extract for 3 hours under reflux in a water bath; after the end, it will be treated with ultrasonic extraction equipment for 1 hour to fully break the wall to release effective substances, and the superpower power is 25KHz; the filtrate is obtained by extraction and filtration; the filtrate is passed through Concentrate under vacuum and reduce pressure to extract 20% of the original filtrate volume. The temperature of the concentration tank is 75°C, the pressure is 0.09MP, and the vacuum degree is -0.05MPa; the obtained concentrate is spray-dried by a centrifugal spray dryer, and the feeding speed of the ...

Embodiment 3

[0081] Mix 10 parts ferulae, 15 parts tangerine peel, 20 parts astragalus, 15 parts fennel, 5 parts kaempferia, 15 parts cinnamon and 20 parts licorice in proportion by weight, ultrafinely pulverize and pass through a 100-mesh sieve; add 12 times its mass of water Put it into the Chinese herbal medicine extraction and concentration equipment, control the temperature at 70°C, and extract for 3 hours under reflux in a water bath; after the end, it will be treated with ultrasonic extraction equipment for 1 hour to fully break the wall to release effective substances, and the superpower power is 25KHz; the filtrate is obtained by extraction and filtration; the filtrate is passed through Concentrate under vacuum and reduce pressure to extract 15% of the original filtrate volume. The temperature of the concentration tank is 75°C, the pressure is 0.09MP, and the vacuum degree is -0.05MPa; the obtained concentrate is spray-dried by a centrifugal spray dryer, and the feeding speed of the...

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Abstract

The invention discloses a feed additive for improving the survival rate of hybrid snakehead seedlings, feed and a preparation method thereof. The additive includes functional additive A and functional additive B. Functional additive A is mainly made of the following raw materials in parts by weight: 20-40 parts of compound Chinese herbal medicine extract, 15-30 parts of compound amino acid, 8-16 parts of taurine 10-20 parts of brewer's yeast paste, 5-15 parts of betaine, 5-10 parts of mannan oligosaccharide; the functional additive B is a microecological preparation, accounting for 10%-20% of the total weight of the additive. The additive of the present invention has a food-attracting effect, accelerates the feeding habits conversion of hybrid snakehead seedlings, promotes the development of the digestive tract of the seedlings, improves the digestion and absorption rate of feed nutrients to promote the growth of the seedlings, and can also improve the body immunity of the seedlings. Reduce disease outbreaks. Adding the additive to feed can improve the survival rate and weight gain rate of seedlings in the feeding habit conversion stage, and the preparation process is simple and the cost is low.

Description

technical field [0001] The invention relates to a feed processing technology in aquaculture, in particular to a functional feed additive for improving the survival rate of hybrid snakehead seedlings and a preparation method thereof, as well as a functional feed containing the additive and a preparation method thereof. Background technique [0002] Hybrid snakeheads (obtained by crossing the black snakehead as the male parent and the spotted snakehead as the female parent) have hybrid advantages such as delicious meat, strong resistance, larger individuals, faster growth, can eat artificial compound feed, and can withstand long-distance transportation and low temperature. , has now replaced snakeheads and snakeheads as the main species of snakehead fishes, and has been vigorously promoted in the Pearl River Delta, Jiangsu, Zhejiang and the two lakes. [0003] The yolk sac provides nutrition for hybrid snakeheads when they first hatch, and they start to eat actively after 3 da...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K50/80A23K10/30A23K10/37A23K10/18A23K10/16A23K10/22A23K20/142A23K20/158A23K20/105A23K20/163A23K20/26A23K40/10A23K40/30
CPCA23V2400/113Y02A40/818Y02P60/87
Inventor 王煜恒陈军王春红王会聪骆桂兰张坤闫洪凯
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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