Seasonality of reproduction in sheep

Small Ruminant Research - Tập 48 Số 3 - Trang 155-171 - 2003
H.J.D. Rosa1, M. J. Bryant2
1Departamento de Ciências Agrárias, Universidade dos Açores, Angra do Heroismo, 9701-851 Portugal
2Department of Agriculture, University of Reading, Whiteknights, P.O. Box 236, Reading RG6 6AT, UK

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