Rearing of early weaned calves (heifers) of the improved types of the Slovak Spotted breed [crossing, feeding, growth, Czechoslovakia]

agronomic characters alimentation alimentation des animaux animal animal domestique animal feeding animal pour cuirs et peaux animales animales de carne animals artiodactyla artiodactyle augmentation de rendement aumento del rendimiento biological development bovidae bovide bovin bovine bovines breeding breeding aims cattle checoslovaquia composition contenido de materia seca crecimiento croissance crossbreds czechoslovakia domestic animals dry matter content europa europe feeding fertilidad del suelo fisiologia fonction physiologique formas de descendencia forme de descendance gain de poids ganado ganado bovino ganancia de peso growth heifers livestock mammals meat animals novilla nutrition nutritive value objetivo de mejoramiento physiological functions physiologie physiology productos del cruzamiento produit de croisement progeny forms pure lines rumiante ruminant ruminants soil fertility starch equivalent valeur amidon valeur nutritive valor nutritivo vertebrados vertebrates vertebre weight gain zootechnie zootechny zootecnia