title: The effect of age on water metabolism in hens.
mesh_terms: D000367:Age Factors; D000818:Animals; D001826:Body Fluids; D001834:Body Water / Q000378:metabolism; D001835:Body Weight; D002645:Chickens / Q000378:metabolism*; D005260:Female; D006207:Half-Life; D007700:Kinetics; D014316:Tritium; D014867:Water / Q000378:metabolism*
chemical_list: D014867:Water; D014316:Tritium