Feed additive for preventing fatty liver of cultured fishes and preparation method
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A feed additive and fatty liver technology, which is applied in the field of aquaculture fish feed additives to achieve the effects of promoting fat oxidation and decomposition, improving transportation capacity and reducing accumulation
Inactive Publication Date: 2018-11-02
INST OF ANIMAL HUSBANDRY & VETERINARY MEDICINE JIANGXI ACAD OF AGRI SCI +1
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The dosage of this product is small, the method is easy to operate, and the effect is remarkable. It overcomes the problems of the current anti-fatty liver additives such as unsatisfactory effect and easy rebound. New Feed Additives for Hepatic Fat Metabolism
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Embodiment 1
[0035] A feed additive for preventing fatty liver of cultured fish, which is composed of the following mass fractions of raw materials:
[0036]
[0037] The composite nucleotides are composed of 5'-adenylate disodium, 5'-uridine acid disodium, 5'-cytidine acid disodium, 5'-guanylate disodium, 5'-inosinate two Sodium is mixed in a mass ratio of 1:1:1:1:1;
[0038] The feed additive for preventing fatty liver in cultured fish according to the present invention, its preparation method consists of the following steps:
[0039] A. Take five nuclei of 5'-adenoylate disodium, 5'-uridine acid disodium, 5'-cytidylate disodium, 5'-guanylate disodium, 5'-inosinate disodium The nucleotides are crushed until they pass through a 60-80 mesh sieve, and mixed in a small dry powder mixer for 17 minutes according to the mass ratio of 1:1:1:1:1 to obtain complex nucleotides;
[0040] B, respectively pulverize S-adenosyl-L-methionine, glycine, and zeolite powder through a 70-mesh sieve, then...
Embodiment 2
[0042] A feed additive for preventing fatty liver in cultured fish, it is made from the following raw material mass fractions:
[0043]
[0044] The composite nucleotides are composed of 5'-adenylate disodium, 5'-uridine acid disodium, 5'-cytidine acid disodium, 5'-guanylate disodium, 5'-inosinate two Sodium is mixed in a mass ratio of 1:1:1:1:1;
[0045] The preparation steps are the same as those in Example 1.
Embodiment 3
[0047]A feed additive for preventing fatty liver in cultured fish, it is made from the following raw material mass fractions:
[0048]
[0049] The composite nucleotides are composed of 5'-adenylate disodium, 5'-uridine acid disodium, 5'-cytidine acid disodium, 5'-guanylate disodium, 5'-inosinate two Sodium is mixed in a mass ratio of 1:1:1:1:1;
[0050] The preparation steps are the same as those in Example 1.
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Abstract
The invention discloses a feed additive for preventing fatty liver of cultured fishes and a preparation method and belongs to the field of feed additives of aquaculture fish feed. The additive is prepared from compound nucleotide, S-adenosine-L-methionine, glycine and zeolite powder; the compound nucleotide is prepared from adenosine-5'-monophosphoric acid disodium salt, uridine-5'-monophosphoricacid disodium salt, cytidine-5'-monophosphate disodium salt, guanosine 5'-monophosphate disodium salt and disodium 5'-inosinate according to the mass ratio of 1 to 1 to 1 to 1 to 1. According to the additive disclosed by the invention, the adding amount in fish type high-energy feed is 0.5 to 1.5 percent, the ratio of liver weight to body weight of the cultured fishes can be remarkably reduced by15 to 20 percent and the fatty content of livers is reduced by 15 to 25 percent; meanwhile, the feed has the effect of improving the immunity of the cultured fishes and can be used for effectively preventing nutritional fatty liver diseases and secondary diseases of the fishes in aquaculture, and the feed has good popularization and application value.
Description
technical field [0001] The invention relates to an aquaculture fish feed additive, in particular to a feed additive for preventing fatty liver in cultured fish and a preparation method thereof, and belongs to the field of aquaculture fish feed additives. Background technique [0002] In recent years, as the price of feed protein sources such as fish meal continues to rise, the application of low-protein and high-energy feeds has become more and more common. Increasing the level of non-protein energy sources in aquatic feeds can save protein in feeds, reduce the use of protein for energy by fish, reduce the pollution of water bodies caused by nitrogen excretion of cultured fish, and reduce feed costs. However, with the application of low-protein and high-energy feed and the increase in feeding amount, especially in the high temperature season, the food intake of farmed fish increases, which can easily lead to a large amount of visceral fat accumulation. The liver is the main...
Claims
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