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首页> 外文期刊>International Journal of Dairy Technology >Protein composition of milk from Holstein-Friesian dairy cows and its relationship with the genetic variants A and B of kappa -casein and beta -lactoglobulin (Part I).
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Protein composition of milk from Holstein-Friesian dairy cows and its relationship with the genetic variants A and B of kappa -casein and beta -lactoglobulin (Part I).

机译:荷斯坦-弗里斯兰奶牛奶的蛋白质组成及其与κ-酪蛋白和β-乳球蛋白的遗传变异A和B的关系(第一部分)。

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摘要

The protein composition and the milk yield (morning milking) were studied in 10 Chilean Holstein-Friesian first lactation dairy cows during the spring season. In addition, the genetic variants A and B of kappa -casein ( kappa -CN) and beta -lactoglobulin ( beta -Lg) were also identified. The results showed that the casein content is significantly affected by the presence of B variant of kappa -CN. Moreover, positive interactions between the B variant of kappa -CN with AB of beta -Lg and the combination of A kappa -CN with AA of beta -Lg for the total protein content, were found..
机译:在春季,对10头智利荷斯坦-弗里斯兰第一头泌乳奶牛的蛋白质组成和产奶量(晨产挤奶)进行了研究。另外,还鉴定了κ-酪蛋白(κ-CN)和β-乳球蛋白(β-Lg)的遗传变体A和B。结果显示酪蛋白含量受κ-CN B变体的存在显着影响。此外,发现κ-CN的B变体与β-Lg的AB之间的正相互作用以及Aκ-CN与β-Lg的AA的组合对于总蛋白质含量的正相互作用。

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