Symptom and Cure of the Yeast-mastitis of Cow
hou yinxu1; zhang yuxian1; wei chaoli2; shi jianguo3; li xuewu3(1.beijing agricultural vocation college; beijing 102442; china; 2.beijing huayuantai bio-technology co.; ltd.; beijing 101113; china; 3.lvhe breeding co.; beijing sanyuan dairy group; beijing 102452; china)
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