[Rapeseed meal and BTAK [protein-fat feed-enriching additive] in combined fodders with increased protein content and their influence on fattening and meat productivity of pigs]

additif aux aliments des animaux aditivos de piensos calidad carne de cerdo cerdo compound feeds crude protein feed additives growth rate harina de colza meat yield piensos compuestos porcin pork proteina bruta quality rapeseed meal rendement en viande swine taux de croissance tourteau de colza viande porcine