Application of live yeast in dairy cattle breeding

At present, the most commonly used microbiological products in dairy cow production are two types, one is a culture or extract of microorganisms, and the other is directly fed living microorganisms (commonly known as probiotics). The composition of microbial cultures or extracts is complex, and the actual effects should be good or bad. It is affected too much by the dairy basal diet and feeding management. The most commonly used is live yeast, especially in dairy cows for stress, indigestion, or mining. The use of low food intake can significantly improve rumen fermentation, enhance the digestion and utilization of nutrients, and improve the production performance of dairy cows.

Yeast is rich in vitamins, various enzymes, amino acids, and some unknown growth factors. It was originally used as a protein supplement feed for ruminants. After many experiments showed that the addition of yeast feed, especially live yeast, in ruminant diets can improve microbial ecology in the ruminant's rumen and stimulate the growth and reproduction of certain beneficial bacteria, thereby promoting their production performance and economic benefits. obvious.

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