title: The effect of age on heat tolerance in cattle as determined by the whole body 40K and nitrogen retention.
mesh_terms: D000367:Age Factors; D000818:Animals; D001833:Body Temperature Regulation; D001835:Body Weight; D002417:Cattle; D005260:Female; D006358:Hot Temperature; D009584:Nitrogen / Q000032:analysis; D011188:Potassium / Q000032:analysis
chemical_list: D009584:Nitrogen; D011188:Potassium