Changes in food resource allocation patterns with selection for litter size. A mouse model

affectation de ressources aliment pour animaux animal de laboratoire animal performance animal welfare animales de laboratorio bienestar animal biological production bovin laitier broiler chickens cerdas cerdo comportement alimentaire dairy cattle descendance esterilidad feed resources feeding habits feeds ganado de leche genetic gain infertility laboratory animals lactation litter size metabolism metabolisme metabolismo mice modele modelos models nesting nidification nutrition physiology performance animale physiologie de la nutrition piensos pollo de engorde porcin poulet de chair production biologique progenie progeny quantitative genetics recursos de piensos resource allocation ressource alimentaire pour animaux selection criteria selection responses souris sows swine truie