[Dairy cow rearing in hot climate conditions]

attitudine alla riproduzione body condition calidad calor calore chaleur control ambiental controllo ambientale cow milk dairy cows environmental control environmental temperature heat immune response inmunidad maternal lait de vache latte di vacca leche de vaca maternal immunity milk yield performance de reproduction quality rendement laitier rendimiento lechero reproductive performance reproductividad risposta immunitaria stress termico stress thermique temperatura ambiental temperatura ambientale thermal stress vacas lecheras vacche lattifere