这些瘤胃内未能被微生物降解的饲料蛋白质通常称为过瘤胃蛋白质（RBPP），也称作瘤胃未降解蛋白质（UDP）。过瘤胃蛋白质与瘤胃微生物蛋白质一起在真胃和小肠内经消化腺分泌的蛋白酶作用，分解为氨基酸，...
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过瘤胃蛋白质 by-pass protein
瘤胃微生物蛋白质 microbial protein ; MCP
瘤胃可降解蛋白质 rumen degradable protein ; RDP
饲料瘤胃非降解蛋白质 Ruminally undegraded feedCP ; RUP
给产奶牛补加过瘤胃蛋白质如鱼粉和保护的大豆饼粕对提高乳蛋白含量和乳产量并不是最好的方法。
The provision of undegradable protein(fishmeal or protected soya)to the diet of lactating dairy cows is not the best method to raise the protein content in milk and the milk yield.
虽然这些产氨菌不能有效地降解蛋白质，但它们可以利用其他瘤胃细菌的蛋白酶或肽酶水解的产物小肽与氨基酸。
Although these ammonia producers have limited ability to degrade proteins, they can utilize peptides or amino acids released by the proteases and peptidases of other ruminal bacteria.
本论文第二部分主要研究了四种不同精粗比典型日粮条件下泌乳奶牛瘤胃氮素代谢、小肠蛋白质的消化吸收及其对生产性能的影响。
The second part was mainly conducted to study the effects of four typical diets on rumen nitrogen metabolism, protein digestion and absorption in the small intestine, and dairy cow's milk performance.
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