Exencephaly in araucana chickens and silkie bantams.
Exencephaly and hydranencephaly were diagnosed in two 6-week-old araucana chickens (Gallus domesticus) and one adult silkie bantam (Gallus domesticus). The chickens were presented with large, subcutaneous, cranial soft-tissue masses and exhibited neurological signs. There was partial aplasia of the frontal bones, resulting in herniation of the cerebral hemispheres.
D000015:Abnormalities, Multiple / Q000175:diagnosis / Q000662:veterinary*; D000757:Anencephaly / Q000662:veterinary*; D000818:Animals; D002645:Chickens / Q000235:genetics; D005624:Frontal Bone / Q000002:abnormalities*; D006832:Hydranencephaly / Q000175:diagnosis / Q000662:veterinary*; D008297:Male; D011201:Poultry Diseases / Q000175:diagnosis*