[Influence of nutrition on pork carcass classification]

alimentation des animaux amino acids animal feeding animal health animal husbandry methods animal nutrition ash content carcass composition cerdo classification composition de la carcasse contenido de ceniza energy value engorde engraissement environmental temperature facteur de rendement factores de rendimiento fattening gain de poids ganancia de peso genotipos genotypes humedad relativa lean body mass lipid content masa corporal delgada masse maigre de l'organisme meat yield nutrition animale porcin relative humidity rendement en viande sanidad animal swine temperatura ambiental teneur en cendres teneur en lipides weight gain yield factors