论文信息 - Determination of the onset of parturition in hereford cattle. - 字舞流文

Determination of the onset of parturition in hereford cattle.

[1] G. Graf,et al. Changes in Respiration and Heart Rates, Body Temperatures, Plasma Lactic Acid Levels and Plasma Creatinine Levels Caused by Stress in Dairy Cattle, , 1953 .