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Determination of pollutants producing coefficient of the zinc in the intensive dairy production system
Author(s): 
Pages: 71-72
Year: Issue:  8
Journal: Heilongjiang Animal Science and Veterinary Medicine

Keyword:  集约化奶牛场产污系数环境污染;
Abstract: 为了准确测定奶牛粪便中的锌含量,为环境污染治理提供科学依据,试验对集约化奶牛场4个季节育成与泌乳两个阶段奶牛的粪样和尿样进行了分析,从而计算出两个阶段的锌产污系数,并对各季节两个阶段两者间的差异进行了比较分析.结果表明,集约化奶牛场4个季节育成牛锌产污系数平均为0.95 g/(头·d),4个季节泌乳牛锌产污系数平均为1.99 g/(头·d),泌乳牛锌产污系数远大于育成牛锌产污系数.
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