Yazdi et al., 2009. Pakistan J. Biol. Sci., 12 (22): 1448-1454

Yazdi, M. H. ; Amanlou, H. ; Mahjoubi, E., 2009. Increasing prepartum dietary crude protein using poultry by-product meal dose not influence performance of multiparous Holstein dairy cows. Pakistan J. Biol. Sci., 12 (22): 1448-1454