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cang ying neng cheng wei bao gui zi yuan ma zong tan fen niao zi yuan de kai fa li yong
Author(s): 
Pages: 50-52
Year: Issue:  3
Journal: Resources Economization and Comprehensive Utilization

Abstract: 苍蝇能成为宝贵资源吗?──纵谈粪尿资源的开发利用曹龙生一般哺乳动物对食物的利用率都不高.特别对蛋白质的转化率很低,在生长发育期和怀孕哺乳期也只10~20%,未被转化的粗蛋白有些被粪内细菌吸收,有的被机体代谢成尿素.也有些未能消化就进了粪内。粪尿在合适...
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