Yazdi et al., 2009. Pakistan J. Biol. Sci., 12 (22): 1448-1454 Document reference 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): 1448-1454Web http://dx.doi.org/10.3923/pjbs.2009.1448.1454Citation key Yazdi et al., 2009Datasheets Poultry by-product meal