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Application of Protein Feed Processed by Microbial Fermentation to Dairy Cow 被引量:9

Application of Protein Feed Processed by Microbial Fermentation to Dairy Cow
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摘要 Methionine (Met) and lysine (Lys) have been reported as the first two limiting amino acids (AA) for maximum milk yield and milk protein production. Supplying these AA may improve microbial protein synthesis and therefore improve milk production without adding excess N to the environment. This observation utilized fermented soybean meal (SBM), cottonseed meal (CSM), rapeseed meal (RSM) and corn by Bacillus subtilis 168 and Leuconostoc mesenteroides as core feedstuffs to produce special biological protein feed for dairy cow. The results showed that the milk production, milk protein percentage, milk fat percentage and milk DM percentage of test groups in trial period were significantly more than those of the control group (P〈0.01), the results showed that adding fermenting protein feed in dairy cow diets could significantly improve milk yield, milk protein and milk fat content. The economic benefits of actual application were analyzed, the group of 0.5% was the best compared with the other groups. Methionine (Met) and lysine (Lys) have been reported as the first two limiting amino acids (AA) for maximum milk yield and milk protein production. Supplying these AA may improve microbial protein synthesis and therefore improve milk production without adding excess N to the environment. This observation utilized fermented soybean meal (SBM), cottonseed meal (CSM), rapeseed meal (RSM) and corn by Bacillus subtilis 168 and Leuconostoc mesenteroides as core feedstuffs to produce special biological protein feed for dairy cow. The results showed that the milk production, milk protein percentage, milk fat percentage and milk DM percentage of test groups in trial period were significantly more than those of the control group (P〈0.01), the results showed that adding fermenting protein feed in dairy cow diets could significantly improve milk yield, milk protein and milk fat content. The economic benefits of actual application were analyzed, the group of 0.5% was the best compared with the other groups.
出处 《Journal of Northeast Agricultural University(English Edition)》 CAS 2014年第1期39-44,共6页 东北农业大学学报(英文版)
基金 Supported by"863"Project of Ministry of Science and Technology of China(2013AA102504-03)
关键词 soybean meal cottonseed meal rapeseed meal corn fermentation Bacillus subtilis 168 Leuconostoc mesenteroides methionine lysine soybean meal, cottonseed meal, rapeseed meal, corn, fermentation Bacillus subtilis 168, Leuconostoc mesenteroides,methionine, lysine
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