The paper analyses the milk yield performance of the Simmental and local cattle in Yantai. Difference and potential are also illustrated, hence the measures of improving milk yield in proposed.
本文对烟台西杂牛的产奶性能进行了分析,找出了差距及存在的潜力,提出了提高产奶量的措施。
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The polymorphism of the insulin-like growth factor binding protein 3 (IGFBP3) gene in Nanyang cattle, Luxi cattle and Chinese Simmental was analyzed by PCR-SSCP.