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Feed additive specially used for tilapia

A feed additive, tilapia technology, applied in animal feed, animal feed, application and other directions, can solve the problems of decreased meat nutrition and taste, high muscle fat content, decreased anti-stress ability, etc., to reduce fatty liver disease and The effect of streptococcal infection, improving immunity, good anti-stress properties

Active Publication Date: 2014-03-26
广西百跃农牧发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, nutritional fatty liver disease is also a common problem in tilapia farming, which directly leads to slow growth and decreased anti-stress ability of tilapia. It is also induced by factors such as poor feed quality and unbalanced feed nutrition. Diseased tilapias have enlarged abdomens that affect the appearance quality, and have high muscle fat content, which significantly reduces the nutrition and taste of the meat

Method used

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  • Feed additive specially used for tilapia

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1 : A special feed additive for tilapia, made by mixing the following raw materials by weight after crushing: 7 parts of Anemarrhena anemarrhena, 6 parts of catalpa leaves, 7 parts of medlar, 6 parts of rhubarb, 6 parts of Magnolia officinalis, 5 parts of Huoxiang 4 parts of Danshen, 4 parts of Astragalus, 2 parts of Baiziren, 2 parts of Amaranth, 2 parts of Atractylodes macrocephala, and 10 parts of corn gluten powder. The preparation method is as follows: weighing each traditional Chinese medicine raw material and corn gluten powder according to parts by weight, crushing them to about 60-80 mesh respectively, mixing and stirring evenly to obtain the product.

Embodiment 2

[0017] Example 2: A special feed additive for tilapia, which is prepared by crushing and mixing the following raw materials in parts by weight: 6 parts of Anemarrhena anemarrhena, 6 parts of catalpa leaves, 6 parts of medlar, 5 parts of rhubarb, 4 parts of Magnolia officinalis, and 4 parts of Huoxiang , 3 parts of Danshen, 2 parts of Astragalus, 1 part of Baiziren, 1 part of Amaranth, 1 part of Atractylodes macrocephala, and 22 parts of corn gluten powder. The preparation method is as follows: weighing each traditional Chinese medicine raw material and corn gluten powder according to parts by weight, crushing them to about 60-80 mesh respectively, mixing and stirring evenly to obtain the product.

Embodiment 3

[0018] Example 3: animal feeding test

[0019] In a tilapia breeding base in Guangdong, 5,000 tilapias with basically the same growth conditions were selected and randomly divided into five groups. They were cultured in cages, with 200 fish in each cage, and were fed with common commercially available compound feeds. Add different additive components in the compound feed of group, group 1 is blank control group, and its compound feed adds 0.8% corn gluten powder; Group 2 ~ 3 is experimental group, adds respectively 0.8% corn gluten powder of the present invention in its compound feed. The special-purpose feed additive for tilapia of example 1,2; Group 4,5 are contrast test groups, add 0.8% respectively in its compound feed the feed additive of following contrast test example 1,2, feed 4 months, record period growth, disease incidence and ultimate survival rate. The specific results are shown in Table 1:

[0020] Table 1: Tilapia growth table c

[0021]

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PUM

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Abstract

The invention relates to a feed additive specially used for tilapia. The feed additive is prepared by grinding and mixing the following raw materials in parts by weight: 5-8 parts of rhizoma anemarrhenae, 5-8 parts of catalpa leaves, 5-8 parts of the fruit of Chinese wolfberry, 4-7 parts of rheum officinale, 3-7 parts of cortex magnoliae officinalis, 3-6 parts of agastache rugosus, 3-5 parts of the root of red-rooted salvia, 2-4 parts of radix astragali, 1-2 parts of platycladi seeds, 1-2 parts of acalypha australis, 1-2 parts of bighead atractylodes rhizome and 10-25 parts of a carrier. The feed additive specially used for the tilapia obviously improves the economic benefit of tilapia aquaculture, remarkably improves the anti-stress capability of the tilapia, improves the immunocompetence of the tilapia and reduces the occurrence of nutritional fatty liver disease and streptococcicosis in an aquaculture process, so that the survival rate of the tilapia is increased by 15-22%; and furthermore, the feed additive can promote the growth of the tilapia, and improves the quality of the tilapia meat.

Description

technical field [0001] The invention belongs to the field of feed, and relates to a feed additive for aquaculture, in particular to a feed additive capable of improving the immunity of tilapia, effectively reducing streptococcal infection during tilapia cultivation, and promoting the growth of tilapia. Background technique [0002] Tilapia, commonly known as African crucian carp and white salmon, is a cultured species recommended by the Food and Agriculture Organization of the United Nations to the world. The annual tilapia farming volume in China is as high as 1.2 million tons, accounting for 60% of the world's farming volume, mainly concentrated in Guangdong, Guangxi and Fujian. The intensive farming of tilapia is "one fish, one shrimp" in Guangdong Province. One of the pillars of the industrial chain is also one of the main breeding industries in coastal areas such as Guangxi and Fujian. Tilapia grows rapidly, with low breeding cost and strong disease resistance. Many pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23K1/18A23K1/16A23K1/14
Inventor 何兴江
Owner 广西百跃农牧发展有限公司
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