Antistress reinforcing agent for large yellow croaker

An anti-stress and enhancer technology, applied in application, climate change adaptation, animal feed, etc., can solve problems such as slow growth rate, low survival rate, and poor quality of fish meat, so as to increase survival rate, increase aquaculture output, and improve fish meat quality. good quality effect

Inactive Publication Date: 2011-05-04
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are no reports and applications of anti-stress additives for large yellow croakers at present, so the survi

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The anti-stress enhancer of large yellow croaker, weigh 4 kg of commercially available vitamin A, 15 kg of vitamin C-2-monopolyphosphate, 10 kg of vitamin E acetate, astragalus extract (commercially available: the weight content of astragalus polysaccharide is 20-25%) 20 kg, 0.2 kg of sodium selenite, 4 kg of copper methionine, 6 kg of zinc methionine, and 45 kg of glucose. Mix the above raw materials evenly to prepare an anti-stress enhancer.

Embodiment 2

[0012] The antistress enhancer of large yellow croaker is basically the same as in Example 1, except that in the raw material formula: vitamin A is 3 kilograms, vitamin C-2-monopolyphosphate is 18 kilograms, and vitamin E acetate is 15 kilograms , Astragalus extract is 30 kg, sodium selenite is 0.1 kg, copper methionine is 3 kg, zinc methionine is 10 kg, and glucose is 30 kg.

Embodiment 3

[0014] The antistress enhancer of large yellow croaker is basically the same as in Example 1, except that in the raw material formula: vitamin A is 5 kilograms, vitamin C-2-monopolyphosphate is 20 kilograms, and vitamin E acetate is 12 kilograms , Astragalus extract is 11 kg, sodium selenite is 0.2 kg, copper methionine is 5 kg, zinc methionine is 8 kg, and glucose is 50 kg.

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PUM

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Abstract

The invention discloses an antistress reinforcing agent for large yellow croaker. The antistress reinforcing agent is prepared by uniformly mixing vitamin A, vitamin C-2- single-polyphosphate, vitamin E acetate, astragalus extract, sodium selenite, copper methionine, zinc methionine and glucose serving as raw materials. The dosage of the antistress reinforcing agent in feed is only 0.1-0.2 %, which can remarkably improve the resistance and the environmental stress resistance of the large yellow croaker on pathogenic microorganisms, so that the survival rate of the large yellow croaker in full cycle raising can be improved, the survival rate can be improved by 10 to 16 percent, the average body weight can be improved by over 20 percent, and the raising yield is improved by over 30 percent. Therefore, the invention is the antistress reinforcing agent by which the survival rate can be improved by 10 to 16 percent, the average body weight can be improved by over 20 percent, and the large yellow croaker has high fish quality.

Description

technical field [0001] The invention relates to a feed additive for large yellow croaker, in particular to an anti-stress enhancer for large yellow croaker. Background technique [0002] Under the conditions of intensive fish farming, the cultured fish are susceptible to physiological stress caused by drastic changes in environmental factors such as temperature, salinity and pH, chemical factors such as heavy metals in water, ammonia nitrogen, etc., and biological factors such as bacteria. Reaction, affecting the reproduction, growth, disease resistance and viability of fish, resulting in lower survival rate of farmed fish, slower growth rate, and lower quality of fish meat. Therefore need to develop anti-stress feed additives, to improve the survival rate of fish, promote the growth of fish, as Chinese patent application number is 200810195618.2, the name is called a kind of preparation method of fish anti-stress agent, just discloses anti-stress Stress glutamine dipeptide...

Claims

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Application Information

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IPC IPC(8): A23K1/18A23K1/16A23K10/30A23K20/142A23K20/158A23K20/163A23K20/174A23K50/80
CPCY02A40/818
Inventor 周歧存杨锐
Owner NINGBO UNIV
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