Vacas: concentrados caseros

alimentation des animaux animal feeding artificial insemination beef cattle bovin de boucherie bovin laitier control de enfermedades cows dairy cattle disease control ensilage (traitement) ensilaje fenaison ganado de carne ganado de leche gestation grazing systems haymaking livestock management manejo del ganado ordeño parasite parasites pastizales pastures pregnancy reproduction silage making sistemas de pastoreo vaca vache