Influence of exogenous melatonin and altered day length on reproductive performance of Polypay ewes

Theriogenology - Tập 29 - Trang 535-543 - 1988
J.N. Stellflug1, T.M. Nett2
1US Sheep Experiment Station, USDA—Agricultural Research Service Dubois, ID 83423 USA
2Department of Physiology and Biophysics, Reproductive Endocrinology Laboratory, Colorado State University Fort Collins, CO 80523 USA

Tài liệu tham khảo

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