Concentration and composition of milk directly affect milk quality. In order to provide a reference for the increasing of milk fat and protein yield and the improvement of milk quality, this paper primarily reviews effects of milk component precursors on milk lactose, milk fat and milk protein synthesis in the mammary gland of dairy cows and their influential factors.%乳成分的含量及组成直接影响牛乳的品质.本文主要综述了乳腺中乳成分前体物对乳糖、乳蛋白质和乳脂等合成的影响,为进一步提高乳脂和乳蛋白质产量,改善牛乳品质提供参考.
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