为了研究中国黑白花奶牛红细胞钾含量的遗传性，在广州、江西和黑龙江采集测定了829头黑白花奶牛的红细胞钾含量。
In order to study the heredity of potassium content in the erythrocytes for Chinese Holstein, 829 Holstein cattles were selected from Guanzhou, Jiangxi and Heilongjiang respectively.
为了研究中国黑白花奶牛红细胞钾含量的遗传性，在广州、江西和黑龙江采集测定了829头黑白花奶牛的红细胞钾含量。
In order to study the heredity of potassium content in the erythrocytes for Chinese Holstein, 829 Holstein cattles were selected from Guanzhou, Jiangxi and Heilongjiang respectively.
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