Non-genetic effects on milk yield of Rambouillet and Bharat Merino ewes and the assciated growth of their lambs

agneau body weight breeds (animals) cordero crecimiento croissance crossbreds growth lactation duration lambs milk yield ovin ovinos parto parturition peso corporal poids corporel productos del cruzamiento produit de croisement race (animal) razas (animales) rendement laitier rendimiento lechero sheep