Nano-selenium feed capable of reducing excessive accumulation of abdominal fat of grass carp

A nano-selenium, feed technology, applied in animal feed, animal feed, climate change adaptation and other directions, can solve the problem of reducing the accumulation of fat in the abdominal cavity of grass carp, which has not yet been found, and achieves alleviation of metabolic damage, low production cost, and improvement of stress resistance and stability. effect on survival

Inactive Publication Date: 2020-11-17
NORTHWEST A & F UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the substances used in aquaculture to reduce the accumulation of fish lipids are mainly choline, carnitine and betaine. The application of nano-selenium in aquaculture is mainly to use its antioxidant effect to improve the antioxidant capacity of farmed fish. ability, but there is no report on reducing the abdominal fat accumulation of grass carp by adding nano-selenium to the feed

Method used

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  • Nano-selenium feed capable of reducing excessive accumulation of abdominal fat of grass carp
  • Nano-selenium feed capable of reducing excessive accumulation of abdominal fat of grass carp
  • Nano-selenium feed capable of reducing excessive accumulation of abdominal fat of grass carp

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Weigh 12% of fish meal, 24% of soybean meal, 10% of rapeseed meal, 10% of cottonseed meal, 22.2% of wheat flour, 5% of DDGS, 7% of rice bran, 4.8% of soybean oil, 1% of vitamin premix and 1% of mineral element premix. Mixture (excluding selenium) 1%, bentonite 1%, calcium dihydrogen phosphate 2%, nano-selenium 0.00003%. All feed materials are crushed through a 70-mesh sieve, mixed according to the proportion of the formula, and the coefficient of variation of the mixture is ≦5%.

Embodiment 2

[0027] Weigh 12% of fish meal, 24% of soybean meal, 10% of rapeseed meal, 10% of cottonseed meal, 22.2% of wheat flour, 5% of DDGS, 7% of rice bran, 4.8% of soybean oil, 1% of vitamin premix and 1% of mineral element premix. Mixture (without selenium) 1%, bentonite 1%, calcium dihydrogen phosphate 2%, nano-selenium 0.00006%. All feed materials are crushed through a 70-mesh sieve, mixed according to the proportion of the formula, and the coefficient of variation of the mixture is ≦5%.

Embodiment 3

[0029] Weigh 12% of fish meal, 24% of soybean meal, 10% of rapeseed meal, 10% of cottonseed meal, 22.2% of wheat flour, 5% of DDGS, 7% of rice bran, 4.8% of soybean oil, 1% of vitamin premix and 1% of mineral element premix. Mixture (without selenium) 1%, bentonite 1%, calcium dihydrogen phosphate 2%, nano-selenium 0.00009%. All feed materials are crushed through a 70-mesh sieve, mixed according to the proportion of the formula, and the coefficient of variation of the mixture is ≦5%.

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Abstract

The invention discloses a nano-selenium feed capable of reducing excessive accumulation of abdominal fat of a grass carp. The feed comprises the following components of, in percentage by mass, 12 % offish meal, 24 % of soybean meal, 10 % of rapeseed cake, 10 % of cottonseed meal, 22.2 % of wheat flour, 5 % of DDGS, 7 % of rice bran, 4.8 % of soybean oil, 1 % of vitamin premix, 1 % of no-seleniummineral element premix, 1 % of bentonite, 2 % of monocalcium phosphate and 0.00003 %-0.00012 % of nano-selenium. The nano-selenium feed can reduce the excessive accumulation of the abdominal fat of the grass carp, reduce the blood fat content of the grass carp, relieve the metabolic injury of the grass carp, improve the stress resistance and survival rate of the grass carp, improve the muscle protein content of the grass carp, improve the yield and quality of the grass carp, and improve the culture economic benefit.

Description

technical field [0001] The invention belongs to the field of aquatic feed, and in particular relates to a nano-selenium feed for reducing excessive accumulation of abdominal fat of grass carp. Background technique [0002] Grass carp is the most productive freshwater economic fish in my country. Excessive accumulation of lipids is a bottleneck problem faced by grass carp farming, which seriously affects the health and quality of grass carp. In the breeding process, the method of giving too much energy feed in a short period of time is often used to improve the production performance of grass carp. However, studies have found that long-term feeding of high-fat feed can lead to fat accumulation in fish, especially in the abdominal cavity and liver. The excessive accumulation of lipids will lead to an increase in free fatty acids, causing oxidative stress in the body, causing metabolic damage in the body, resulting in a decrease in the stress resistance of the fish, and even ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K50/80A23K20/20A23K10/22A23K10/30A23K10/37A23K10/38A23K20/158A23K20/174A23K20/28
CPCA23K50/80A23K20/30A23K10/22A23K10/30A23K10/37A23K10/38A23K20/158A23K20/174A23K20/20A23K20/28Y02A40/818Y02P60/87
Inventor 于海波吉红王驰李鹏举刘国豪张啸天刘莎
Owner NORTHWEST A & F UNIV
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