Comparative rumen morphology of sympatric sika deer (Cervus nippon) and red deer (C. elaphus scoticus) in the Ahimanawa and Kaweka Ranges, central North Island, New Zealand

adaptation aliment pour animaux anatomia animal anatomie animale animal morphology body measurements carcass composition cervus elaphus cervus nippon comportement alimentaire composition de la carcasse dietary fibres ecotipos ecotypes environmental factors facteur du milieu factores ambientales feeding habits feeds fibra de la dieta fibre alimentaire mensuration corporelle piensos rumen