长三角地区春季栓系式与发酵床饲养奶牛泌乳性能和血液指标比较
甄永康,王小龙,顾亚兰,张振斌,王梦芝,杨章平,贡玉清
长三角地区春季栓系式与发酵床饲养奶牛泌乳性能和血液指标比较
Milk Performance and Blood Indexes of Dairy Cows Raised in Tethered and FermentationBed Cowsheds in Spring in the Yangtze River Delta Area
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