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yi dong bei min zhu wei mu ben de za jiao shi yan bao gao
Author(s): 
Pages: 1-7
Year: Issue:  4
Journal: Liaoning Journal of Animal Husbandry & Veterinary Medicine

Keyword:  东北民猪杂交组合三品种杂交二品种杂交杂交试验杂种优势率杂交优势大约克夏饲料单位试验结果;
Abstract: <正> 猪的杂交优势利用的重要意义已被国内外养猪生产的实践肯定,好的杂交组合一般能提高肉猪增重百分之二十左右。随着养猪生产和科学养猪的蓬勃发展,猪的杂交优势利用工作日趋显得重要。特别自建立三级繁育体系,实现三化,
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