Evaluation of pea screenings and canola meal as a supplementary protein source in barley-based diets fed to growing-finishing pigs

barley brassica napus canal animal carcass composition carcass quality carcasse carcasses cebada cerdo classement composition de la carcasse farine flours grading growth rate guisante harinas nutrientes nutrients orge peas pois porcin proteine proteins rape substance nutritive swine taux de croissance