Methods and compositions for improving growth of pigs

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专利权人:

Jason C. H. Shih

发明人:

Jason C. H. Shih

申请号：

US13035652

公开号：

US08642313B2

申请日:

2011.02.25

申请国别(地区):

US

年份:

2014

代理人:

摘要：

The present invention provides methods of improving growth performance, improving the efficiency of feed utilization, increasing feed digestibility, and decreasing mortality of immature and developing animals receiving animal feed. Methods of producing a crude keratinase enzyme extract and animal feed supplements for achieving the same are also provided.

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