(72)Reproductive performance and sexual maturity of Dokki-4 pullets. 1. Effect of certain feed microadditives. Research Authors El-Hammady, H.Y., A.M. Osman and M.N. Makled Research Journal Assiut Vet. Med. Journal, 1: 1 and 2, 243-266, 1974. Research Rank 2 Research Year 1974
