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Effects of different diets on the Gene Expression Related to Milk Protein Synthesis in the Mammary Gland of Lactating Holstein Cows

机译:不同饮食对乳酸荷斯坦奶牛乳腺蛋白合成相关的基因表达的影响

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Introduction Forages typically make up half or more of the diet of lactating cattle and profoundly affect energy and carbohydrate intake (Kendall et al.,2009).In China Alfalfa,com silage and Chinese wildrye as mixed forage (MF) were used for large-scale dairy farms widely,but,Alfalfa is especially in short supply (Wang.,2011).At the same time,it is estimatedthat more than 100 × 109 kg of corn stover isgenerated annually in China (Pang et al.,2008),so,use corn stover (CS) as forage in dairy diets is important.In previous study,we found that CSA (65% concentrate) and MF had no obvious different in milk protein content and milk yield.However,lactation efficiency is higher in MF vs.CSA.The objective of this study was to determine the effects of different diets on gene expression related to milk protein synthesis in the mammary gland of lactating cows.
机译:引言饲料通常弥补哺乳牛的一半或更多次饮食,并且深刻地影响能量和碳水化合物摄入量(Kendall等,2009)。中国苜蓿,Com Silage和Chinese Wildrye作为混合饲料(MF)用于大 - 扩大乳制品农场广泛,但苜蓿尤其是短缺供应(王。,2011)。此同时,估计在中国每年每年每年都有超过100×109公斤的玉米渣(Pang等,2008),因此,使用玉米秸秆(CS)作为乳制品饮食中的饲料很重要。在以前的研究中,我们发现CSA(65%浓缩物)和MF在牛奶蛋白含量和牛奶收率中没有明显不同。但是,哺乳期较高本研究的目的是确定不同饮食对乳腺腺体乳腺蛋白合成相关的基因表达的影响。

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