Effects of combinations of wheat, corn or hulless barley with hulled barley supplemented with soybean meal or canola meal on growth rate, efficiency of feed utilization and carcass quality of market pigs

barley cebada cerdo costos costs diet dieta feed conversion efficiency feed intake gain de poids ganancia de peso growth rate mais maize orge porcin prise alimentaire (animaux) soybean meal swine taux de croissance tortas de soja tourteau de soja trigo weight gain wheats