title: Laparotomy technique for sex determination of psittacine birds.
mesh_terms: D000818:Animals; D005260:Female; D007813:Laparotomy / Q000379:methods / Q000662:veterinary*; D008297:Male; D011563:Psittaciformes / Q000033:anatomy & histology / Q000601:surgery*; D012732:Sex Determination Analysis