Feed additive capable of promoting liver health of fish

A feed additive, fish technology, applied in animal feed, animal feed, application, etc., can solve the problems of complex composition of Chinese herbal medicine additives, difficulty in promotion and use, etc., to improve liver health, reduce the incidence of fatty liver, and enhance fish immunity. Function and effect of the body's antioxidant capacity

Inactive Publication Date: 2014-12-03
FOSHAN XINTUN BIOLOGICAL SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Wang Hualang et al. disclosed a compound additive for preventing cobia fatty liver (ZL200810028597.5), Wang Zhuoduo et al. disclosed a compound feed and its preparation method that can improve seawater fish fatty liver and body color (ZL201110152285.7), Zhang Lu et al. A Chinese herbal medicine feed additive (ZL201110161326.9) for the prevention and treatment of nutritional hepatobiliary syndrome in freshwater cultured fish

Method used

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  • Feed additive capable of promoting liver health of fish
  • Feed additive capable of promoting liver health of fish
  • Feed additive capable of promoting liver health of fish

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Based on 100% by mass, 15% of bile acid, 10% of taurine, 10% of β-glucan, 8% of mannan oligosaccharide, 8% of L-carnitine, 6% of choline and 43% of bran powder Fully mixed and dried to make a powder, that is, a feed additive for promoting fish liver health;

[0023] Select tilapia with an initial body weight of 245.56 ± 1.34g / tail to carry out a 2-month cage culture experiment. The experimental group is fed with the feed added with the feed additive prepared in this embodiment. 0.2%, the control group was fed with common commercial feed. At the end of the experiment, the weight gain rate, feed factor, liver-to-body ratio and liver fat content of the experimental fish were measured, and the contents of malondialdehyde, cholesterol, triglyceride, high-density lipoprotein, low-density lipoprotein and alanine aminotransferase in serum were measured. Sampling and detection of vitality. The results are shown in Table 1.

[0024] Table 1. Measurement results of each index i...

Embodiment 2

[0028] Based on 100% by mass, 20% of bile acid, 15% of taurine, 15% of β-glucan, 12% of mannan oligosaccharide, 5% of L-carnitine, 10% of choline and 23% of bran powder Fully mixed and dried to make a powder, that is, a feed additive for promoting fish liver health;

[0029] Select the snakehead with an initial body weight of 158.94 ± 1.63g / tail to carry out a 3-month cage culture experiment, and the experimental group is fed with the additive described in Example 2 of the present invention, and the addition is 0.1% of the common commercial feed quality. The group was fed with normal commercial feed. At the end of the experiment, the weight gain rate, feed factor, liver-body ratio, viscera-body ratio and plumpness of the experimental fish were measured, and the content of malondialdehyde, cholesterol, triglyceride, high-density lipoprotein, low-density lipoprotein and Alanine aminotransferase and superoxide dismutase activities were sampled for detection. The results are sho...

Embodiment 3

[0034] Based on 100% by mass, 18% of bile acid, 12% of taurine, 12% of β-glucan, 10% of mannan oligosaccharide, 8% of L-carnitine, 8% of choline and 32% of bran powder Fully mixed and dried to make a powder, the feed additive for promoting fish liver health can be obtained.

[0035]0.15% of the feed additive prepared in this example was added to the common commercial feed of California perch, and a 7-month pond culture experiment was carried out, that is, from the fish fry to the adult fish reaching the market size, and the control group was fed with common commercial feed. The fish bodies of the experimental group and the control group were dissected and the health status of the liver was observed. The results were as follows: figure 1 shown. from figure 1 It can be clearly seen that the color of the liver in the control group becomes lighter, showing typical liver disease symptoms such as flower liver and white liver, while the liver in the experimental group is bright red...

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Abstract

The invention discloses a feed additive capable of promoting the liver health of fish. The feed additive capable of promoting the liver health of fish is composed of the following constituents in total 100 percentage by mass: 15-20% of bile acid, 10-15% of tauric acid, 10-15% of beta-glucan, 8-12% of mannan oligosaccharide, 5-8% of L-carnitine, 6-10% of choline and the balance of fillers; the added amount of the feed additive capable of promoting the liver health of fish, disclosed by the invention, is 0.1-0.2% of the total mass of the feed; the feed additive is capable of reducing the accumulation of fat in the fish liver, improving the capacity of the fish liver for transferring fat, reducing the metabolism burdens of the liver, and improving the health conditions of fish bodies and promoting growth; during the use of the feed additive disclosed by the invention, the main formula of the feed does not need to be changed specially, thus reducing the labour and material costs during the production process of the feed; the raw materials of the feed additive disclosed by the invention are mainly prepared from animal tissues and beer yeast and are stable in source; therefore, the feed additive is natural, environment-friendly, safe and non-toxic.

Description

Technical field: [0001] The invention relates to a feed additive, in particular to a feed additive for promoting fish liver health. Background technique: [0002] my country is a big aquaculture country, and its aquaculture production ranks first in the world all year round. Since 2012, aquaculture production has accounted for 70% of global production. In 2013, my country's aquatic feed production reached 19 million tons, accounting for about 50% of global production. . However, with the rapid development of the aquaculture industry dominated by high-density farming models, the frequency and scale of disease outbreaks in farmed fish are also increasing, which has seriously affected the further development of the aquaculture industry. The main reason is that the lack of high-quality feed raw materials such as fishmeal and the high price lead to the continuous increase of the use range and dosage of other cheap plant-based feed raw materials such as soybean meal, rapeseed meal...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/16
Inventor 朱志明朱旺明蓝汉冰崔祥东谭永刚黄永政
Owner FOSHAN XINTUN BIOLOGICAL SCI & TECH
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