title: Live monovular twin chicks from a single yolk chicken egg.
abstract: Monovular fully formed twin chicks were recorded from a single-yolked egg. The chicks were attached to a common umbilical cord. One of the twin chicks survived for 10 weeks and the other for 4 days.
mesh_terms: D000818:Animals; D002645:Chickens / Q000235:genetics; D004530:Egg Yolk; D005260:Female; D007185:Incubators / Q000662:veterinary; D011247:Pregnancy; D014430:Twins, Monozygotic