Diet and activity.
D000596:Amino Acids / Q000032:analysis; D000818:Animals; D001798:Blood Proteins / Q000032:analysis; D001831:Body Temperature; D001835:Body Weight; D004247:DNA / Q000378:metabolism; D004032:Diet; D004044:Dietary Proteins; D004777:Environment; D005502:Food; D006128:Growth; D008099:Liver / Q000378:metabolism; D008297:Male; D009043:Motor Activity; D009696:Nucleic Acids / Q000032:analysis; D011506:Proteins / Q000378:metabolism; D051381:Rats; D014867:Water
D000596:Amino Acids; D001798:Blood Proteins; D004044:Dietary Proteins; D009696:Nucleic Acids; D011506:Proteins; D014867:Water; D004247:DNA