According to the characteristic of the ruminant protein and fat metabolism, Detailed explaining the influence of protein and fat level on the digestibility of crude fiber in ruminant diet.
本文根据反刍动物蛋白质、脂肪营养代谢的特点，较为详尽的阐述了日粮中蛋白质和脂肪水平对粗纤维消化率的影响。
Under the same starch level in the diet, the amylase activity of the intestine in flounder doesn't become ruly with the changes of the ratio of dietary energy to protein.
在饲料中同一淀粉水平下，不同能量蛋白比的变化，未引起肠道淀粉酶活性呈现规律性变化。
The results showed that crude protein level in the diet was the main nutrient limitation affecting liveweight gain of grazing sheep, and the dietary metabolic energy level came second.
关联度分析结果表明，饲粮粗蛋白质水平是影响绵羊体重变化的主要营养因素，饲粮代谢能的影响次之；影响育成母羊羊毛生长速度的主要营养因素是其干物质采食量；
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