An intergenotypic comparison of young bull growth rates in the crossing of the Bohemian Spotted with the Black Spotted cattle of different provenance

age aptitude pour la viande breeds bulls croisement crossbreds cruzamiento edad engorde engraissement fattening gain de poids ganancia de peso genotipos genotypes jeune animal meat performance peso poids productos del cruzamiento produit de croisement race razas taureau toro weight weight gain young animals