N1型纳豆芽孢杆菌对泌乳期奶牛产奶量及乳品质的影响

›› 2009, Vol. 36 ›› Issue (10): 12-15.

• 动物营养与饲料科学 • Previous Articles Next Articles

Effects of Supplementation of Bacillus Subtilis Natto on Milk Production and Composition of Lactating Dairy Cow

LUAN Guang-chun^1,2, WANG Jia-qi¹, BU Deng-pan¹, ZHOU Zhen-feng¹, WEI Hong-yang¹, ZHOU Ling-yun¹

(1.State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China；2.College of Animal Science and Technology Northeast Agricultural University, Harbin 150030,China)

Received:1900-01-01 Revised:1900-01-01 Online:2009-10-20 Published:2009-10-20
Contact: WANG Jia-qi

Abstract

Abstract: 36 cows with similar age, party and day in milk (DIM) were used to study the effect of dietary Bacillus subtilis natto on milk production and milk composition in lactating dairy cows. All cows were randomly allocated to 3 groups. The feeding trial lasted for 60 days. The milk samples were collected in 0，30，60 d, and the milk production was measured every week. The results showed that milk production, milk fat and milk protein were higher than those which are from cows in control whereas somatic cell counts decreased.

Key words: Bacillus subtilis natto; milk quality; production performance

CLC Number:

S816.79

LUAN Guang-chun; WANG Jia-qi;BU Deng-pan; ZHOU Zhen-feng; WEI Hong-yang;ZHOU Ling-yun . Effects of Supplementation of Bacillus Subtilis Natto on Milk Production and Composition of Lactating Dairy Cow[J]. , 2009, 36(10): 12-15.

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Effects of Supplementation of Bacillus Subtilis Natto on Milk Production and Composition of Lactating Dairy Cow

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