共 2 条
[1]
Concentration of Thyroid Hormones and Prolactin in Dairy Cattle Serum and Milk at Three Stages of Lactation. Muftah A. Akasha,R. R,Anderson,et al. Journal of Dairy Science . 1987
[2]
Responses of Somatotropin, Insulin, Prolactin and Thyroxine to Selection forMilk Yield in Holsteins. R.R. Bonczek,C. W. young,I.E.Wheato et al. Journal of Dairy Science . 1988