Egyptian Suffolk ewe traits bred in 3 lambings / 2 years system as affected by treatment with selenium in winter, progesterone + BMSG in summer and vitamin A in autumn, under the sub-tropical environment of Egypt
I. F. M. Marai1, A. A. El- Darawany1, E. I. Abou-Fandoud2 and M. A. M. Abdel- Hafez2
1Department of Animal Production, Faculty of Agriculture, Zagazig University, Zagazig, Egypt.
2. Department of Sheep and Goats, Institute of Animal Research, Ministry of Agriculture, Dokki, Egypt.
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