Revista Chapingo | Heterosis y efectos geneticos individuales y maternos en bovinos Angus Pardo. I. Ganancia de peso y, consumo y eficiencia de utilizacion. (Heterosis and individual and maternal genetic effects in Angus and Brown Swiss cattle. I. Daily gain, intake and feed efficiency with high roughage diets)

beef cattle breed differences cattle cattle breeds cattle feeding crossbreds dry matter feed conversion efficiency feed intake genotypes growth hay heterosis liveweight gain lucerne maternal effects roughage sex differences