Polan et al., 1997. J. Dairy Sci., 80 (1): 160-166

Polan, C. E. ; Cozzi, G. ; Berzaghi, P. ; Andrighetto, I., 1997. A blend of animal and cereal protein or fish meal as partial replacement for soybean meal in the diets of lactating Holstein cows. J. Dairy Sci., 80 (1): 160-166