糊化羟甲基蛋氨酸钙对泌乳中期奶牛产奶量及乳成分的影响

Abstract

Abstract: To research the influence of pastemethioninehydroxymethyl calcium and hydroxymethyl methionine calcium on milk yield and milk components of Holstein dairy cattle,15 individual of Holstein with highproducing in the middle stagers of lactation were arranged randomly into three groups,i.e, pastemethioninehydroxymethyl calcium(group A), hydroxymethyl methionine calcium(group B) and control(group C).Group A was adding 400 g paste-methionine-hydroxymethyl calcium and group B was 20 g hydroxymethyl methionine calcium. The results showed that the milk production in group A and group B(P<0.05) were increased by 4.97%and 3.99% respectively. Three groups had no difference(P>0.05) in intake feed. Milk fat percentage in group A and group B were significantly improved 5.26%and 3.80% respectively than group C. Whereas three groups had no differences(P>0.05)in milk protein percentage, milk sugar solids and solids-not-fat in milk. It can be concluded that Paste-hydroxymethyl -methionine calcium supplementation can advance milk production,increase milk fat percentage of dairy cattle to improve economic efficiency. 

Key words: paste-hydroxymethyl-methionine calcium; diary cattle; milk yield; components of milk

CLC Number:

S816.7

LIU Yanfeng;PAN Xiaoliang;JIANG Hui;KOU Huanqi;ZHAO Haifeng. The Effect of Paste-methionine-hydroxymethyl on Milk Yield and Components in Diary Cattle in the Mid-lactation[J]. , 2007, 34(1): 20-23.

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The Effect of Paste-methionine-hydroxymethyl on Milk Yield and Components in Diary Cattle in the Mid-lactation

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