Breed differences in forage intake as related to production increases in Swedish Red, Swedish Friesian, and Swedish Jersey cattle at Kungsaengen experimental station (Hfae)

alimentation des animaux analysis of variance animal feeding augmentation de rendement aumento del rendimiento bovin laitier breeds cows dairy cattle feed intake ganado de leche milk yield modele modelos models peso poids prise alimentaire (animaux) race razas rendement laitier rendimiento lechero statistical methods vaca vache weight