title: Evaluation of imposing a weekly fast on calves receiving a milk replacer diet once and twice daily: protein and energy utilization.
mesh_terms: D000367:Age Factors; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001481:Basal Metabolism; D001835:Body Weight; D001842:Bone and Bones / Q000032:analysis; D002417:Cattle / Q000502:physiology*; D004044:Dietary Proteins; D004064:Digestive System; D005069:Evaluation Studies as Topic; D005215:Fasting; D005223:Fats / Q000032:analysis; D008099:Liver; D009929:Organ Size
chemical_list: D004044:Dietary Proteins; D005223:Fats