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Method for reducing fat deposition in livers of Oreochromis niloticus during high-density cultivation

A gift tilapia and fat deposition technology is applied in aquaculture management and feed feeding to reduce liver fat deposition in high-density aquaculture of gift tilapia, and can solve metabolic regulation tissue damage, non-parasitic fish disease, hepatocyte Fat deposition and other problems, to achieve the effect of reducing liver fat deposition, leaving no muscle residue, and improving absorption and utilization

Active Publication Date: 2017-05-10
江苏恒泰环保科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, under high-density farming, it is easy to cause non-parasitic fish diseases in fish, especially in order to reduce feed costs, long-term feeding of low-protein, high-fat, and high-sugar feeds will cause tilapia liver, kidney, heart, etc. Metabolism regulates tissue damage, causing fat deposition in hepatocytes

Method used

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  • Method for reducing fat deposition in livers of Oreochromis niloticus during high-density cultivation
  • Method for reducing fat deposition in livers of Oreochromis niloticus during high-density cultivation

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Embodiment 1

[0018] A method for reducing hepatic fat deposition in high-density cultivation of Gifu tilapia, comprising the following steps:

[0019] Step 1, preparation of basal ration: in the breeding stage of juvenile Gifu tilapia to adult fish, prepare a basal ration with a protein level of 28% and a fat level of 6%;

[0020] The 2nd step, compound recipe Chinese herbal medicine preparation: by weight, in every 100g compound recipe Chinese herbal medicine, comprise citrus peel 25g, burdock 15g, chrysanthemum 15g, thyme 20g, loquat leaf 25g; Cross 80 mesh screens after freeze-drying, grinding and pulverizing, 4 Store at ℃;

[0021] The 3rd step, add compound Chinese herbal medicine: by weight, add 0.3g~0.4g, 0.5g~0.7g compound Chinese herbal medicine respectively in every 100g basic ration, be prepared into 0.3%~0.4%, 0.5%~0.7% Compound Chinese herbal medicine added group;

[0022] Step 4, seed feeding: when the breeding density is 2500-4000 fish / mu, the fish body size is 50g-150g, a...

Embodiment 2

[0035] A method for reducing hepatic fat deposition in high-density cultivation of Gifu tilapia, comprising the following steps:

[0036] Step 1, preparation of basal ration: in the breeding stage of juvenile Gifu tilapia to adult fish, prepare a basal ration with a protein level of 28% and a fat level of 6%;

[0037] The 2nd step, compound recipe Chinese herbal medicine preparation: by weight, in every 100g compound recipe Chinese herbal medicine, comprise citrus peel 25g, burdock 15g, chrysanthemum 15g, thyme 20g, loquat leaf 25g; Cross 80 mesh screens after freeze-drying, grinding and pulverizing, 4 Store at ℃;

[0038] The 3rd step, adding compound Chinese herbal medicine: by weight, add 0.6g compound Chinese herbal medicine respectively in every 100g basic diet, be mixed with 0.6% compound Chinese herbal medicine adding group;

[0039] The 4th step, seed is thrown something and fed: breeding density is 4500 tails / mu, throws and feeds the feed of 0.6% compound Chinese her...

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Abstract

The invention discloses a method for reducing fat deposition in the livers of Oreochromis niloticus during high-density cultivation. The method comprises the following steps: preparation of a basic ration; preparation of a compound Chinese herbal medicine; addition of the compound Chinese herbal medicine; and feeding of fries. Compared with the prior art, the invention has the following advantages: (1) the method provided by the invention can effectively improve the absorption and utilization of fat in feeds, reduce fat deposition in livers, lower the incidence rate of fatty livers and promote aquaculture of healthy Oreochromis niloticus; (2) the compound Chinese herbal medicine used in the method is a green and environment-friendly preparation, is small in residues in Oreochromis niloticus and low in negative effect on environment, and conforms to requirements on green and environmental-friendly feed additives; and (3) with a compound Chinese herbal medicine feed used in the invention, the absorption efficiency of Oreochromis niloticus is good, no residue is left in the body of Oreochromis niloticus, and excrement of the Oreochromis niloticus is free of pollution to environment.

Description

technical field [0001] The invention belongs to the field of aquaculture, relates to aquaculture management and feed feeding technology, in particular to a method for reducing hepatic fat deposition in high-density aquaculture of Gifu tilapia. Background technique [0002] High-density farming can not only increase water utilization, improve breeding and economic benefits, but also facilitate management and reduce labor costs. [0003] In recent years, with the improvement of tilapia's international status, its production has increased year by year. Tilapia has become the main cultured species in southern my country provinces such as Guangdong, Guangxi, Hainan and other regions. Under the current farming model, high-density intensive farming has become the main farming trend. However, under high-density farming, it is easy to cause non-parasitic fish diseases in fish, especially in order to reduce feed costs, long-term feeding of low-protein, high-fat, and high-sugar feeds...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K10/30A23K10/37A23K50/80A01K61/10
CPCA01K61/00Y02A40/81Y02P60/87
Inventor 强俊何杰徐跑董在杰陶易凡包景文
Owner 江苏恒泰环保科技发展有限公司
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