title: Detection of estrus-related odors in cows by trained dogs.
mesh_terms: D000818:Animals; D001947:Breeding / Q000379:methods*; D002417:Cattle / Q000502:physiology* / Q000652:urine; D004031:Diestrus; D004285:Dogs; D004971:Estrus; D004972:Estrus Detection / Q000379:methods*; D005260:Female; D009812:Odorants; D011247:Pregnancy; D014621:Vagina / Q000378:metabolism