Formula and preparation method of easy-to-digest tilapia mossambica feed with fish oil being partially replaced by linseed oil

A technology of linseed oil and tilapia, applied in animal feed, animal feed, application, etc., can solve the problems of increasing feed cost and high fish oil price, reduce the amount of feed residue, improve the degree of adhesion and fastening, and increase the strength of particles Effect

Inactive Publication Date: 2015-11-11
TONGLING XUERUI AQUACULTURE SPECIALIZED COOP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Tilapia is an omnivorous fish, and its growth, development, and metabolic processes require a large amount of n-3 unsaturated fatty acids, and fish oil is rich in n-3 fatty acids such as docosahexaenoic acid

Method used

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Embodiment Construction

[0017] Specific implementation plan

[0018] The present invention will be further described in detail below in conjunction with the following specific embodiments:

[0019] Weigh the following parts by weight (kg) of raw materials: diatomaceous earth 60, garlic powder 8, potato powder 30, rapeseed meal 290, fish oil 40, soybean meal 360, linseed oil 35, linseed gum 30, coptis powder 15 , Shrimp Bran 90;

[0020] The specific steps of preparing the tilapia feed are as follows:

[0021] (1) Mix the rapeseed meal, garlic powder, soybean meal, coptis powder, and shrimp bran and place them in a pulverizer to pulverize the materials and mix them evenly;

[0022] (2) Put the powdered material, linseed gum, and potato powder obtained in step 1 in a container, and continuously pass in water vapor for hydrothermal treatment for 170 minutes to obtain a mixture. At the same time, the diatomaceous earth and linseed oil are mixed at 40°C. Stir evenly and set aside;

[0023] (3) Put the mixture mate...

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Abstract

The invention discloses easy-to-digest tilapia mossambica feed with fish oil being partially replaced by linseed oil. The easy-to-digest tilapia mossambica feed is prepared from, by weight, 55-65 parts of diatomite, 6-9 parts of garlic powder, 29-31 parts of potato powder, 280-300 parts of rapeseed dregs, 35-45 parts of fish oil, 340-380 parts of soybean meal, 30-40 parts of linseed oil, 25-35 parts of linseed gum, 13-17 parts of coptis chinensis powder and 80-100 parts of shrimp meal. The easy-to-digest tilapia mossambica feed is elaborately prepared according to the characteristics of tilapia mossambica, and is made into hard particles which are more easily eaten by the tilapia mossambica living in a middle-and-lower layer water area; the raw materials are smashed repeatedly in the preparation technology so that the fineness of the feed can be improved; the feed can be digested and decomposed quickly in the intestinal tract after being eaten by the tilapia mossambica, and thus the feed can be fully utilized; the feeding amount of the feed can be reduced, meanwhile, the quantity of feed residues which are defecated without being digested in the feeding water area is reduced, and therefore the cleanliness of a water body is improved.

Description

Technical field [0001] The invention relates to the technical field of feed, in particular to a digestible tilapia feed formula with linseed oil partially replacing fish oil and a preparation method thereof. Background technique [0002] Tilapia is the main farmed fish in my country and is deeply loved by consumers. Tilapia is an omnivorous fish. Its growth, development, and metabolism require a large amount of n-3 unsaturated fatty acids. Fish oil is rich in n-3 such as docosahexaenoic acid and eicosapentaenoic acid. Unsaturated fatty acids are used extensively in traditional feeds as fat sources, but fish oils are too expensive due to shortage of resources, which increases the cost of feeds. Therefore, the present inventors designed a tilapia feed that greatly reduces the amount of fish oil, in which fish oil and linseed oil are used as fat sources for tilapia, linseed oil contains a large amount of α-linolenic acid, and tilapia has The ability to convert α-linolenic acid int...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/14A23K1/16
Inventor 马雪花
Owner TONGLING XUERUI AQUACULTURE SPECIALIZED COOP
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