Nutritional method for regulating muscle fatty acid composition of large yellow croaker under high-fat feeding
A large yellow croaker and fatty acid technology, which is applied in animal feed, additional food elements, animal feed, etc., can solve the problems of fish body lipid metabolism disorder and reduce the nutritional value of fish, so as to improve the richness of flora and relieve intestinal bacteria. The effect of group disorder and changing the structure of the flora
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[0021] Embodiment 1, use this method to carry out feed manufacturing and breeding management
[0022] 1. Experimental design and experimental feed formula
[0023] The large yellow croaker breeding high-fat feed group (18% fat level) used in the laboratory in previous years was used as the negative control group, and 0.5% (ie 5 mg / kg) phytosterol was added to the negative control group as the addition group. In addition, the appropriate feed group (12% fat level) was used as a positive control group. The feed formulation is shown in Table 1.
[0024] Table 1 Formula and crude ingredients (% dry ingredients) of experimental feed
[0025]
[0026] 1 White fish meal (74% crude protein, 7.84% crude fat); high-grade krill meal (64.86% crude protein, 8% crude fat); dehulled soybean meal (54.08% crude protein, 0.35% crude fat); high-gluten flour (21.2 % crude protein, 0.34% crude fat).
[0027] 2 Multidimensional premix (mg / kg diet) (vitamin A acetate, 32; vitamin D3, 5; α-t...
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