Feed conversion during the rearing of heifers of the Bohemian Pied and Black Pied Lowland breeds and their crossbreds

aliment pour animaux analyse statistique consommation alimentaire (animaux) consumo de piensos contenido de materia seca crecimiento croissance digestible protein dry matter content feed consumption feed conversion efficiency feed intake feeding level feeds growth heifers niveau d'alimentation nivel alimenticio novilla peso piensos poids prise alimentaire (animaux) ration rations starch equivalent statistical analysis valeur amidon weight