AGRIS - 国际农业科技情报系统

The effects of a post partum injection of prostaglandin F2alpha on return to oestrus and pregnancy rates in dairy cows

1999

Schofield, S.A. | Kitwood, S.E. | Phillips, C.J.C. (School of Agricultural and Forest Sciences, University of Wales, Bangor, Gwynedd, LL57 2UW (United Kingdom))