Quality of supplementary feed protein for growing cattle

barley bone meal bulls calidad proteica cebada digestion ensilado ensilage (produit) evaluation farine d'os farine de viande finland finlande finlandia harina de carne harina de colza harina de huesos heifers meat meal novilla orge protein concentrates protein metabolism protein quality rapeseed meal rumen silage taureau toro tourteau de colza urea uree