二氫吡啶對(duì)熱應(yīng)激奶牛產(chǎn)奶量以及奶牛體溫、呼吸頻率的影響
Effects of 1,4-dihydropyridine on Milk Yield,Body Temperature and Respiration of Lactating Dairy Cows in Heat Stress
【作者】 張峰; 吳占軍; 張新同; 王昆; 王學(xué)清; 馬書林; 劉小虎;
【Author】 ZHANG Feng 1,WU Zhan-jun,ZHANG Xin-tong,WANG Kun,WANG Xue-qing,MA Shu-lin,LIU Xiao-hu(Institute of Cereal and Oil Crops,Hebei Academy of Agriculture and Forestry Science,Dairy Cattle Research Centers of Hebei Acadamy of Agriculture and Forestry Science,Shijiazhuang 050031,China)