1. Referans1 Aksoy Ö, Kılıç E, Öztürk S, Özaydın İ, Kurt B, Baran V. Congenital Anomalies Encountered in Calves, Lambs and Kids: 1996-2005 (262Cases). Kafkas Üniv Vet Fak Derg. 2006; 12(2).
2. Referans2 Belge A, Gonenci R, Biricik HS. The cases of congenital anomalies in calves. YYÜ Vet Fak Derg. 2000; 11: 23-26.
3. Referans3 Giofré F, Caracciolo V, Zanotti M, Polli M, De Giovanni AM. Polydactyly in a Murgese horse: a case report. JEVS. 2004; 24(6):248-250.
4. Referans4 Gugjoo MB, Sarode IP, Kumar S, Amarpal A. Bilateral polydactyly in a nondescript calf. J Adv Vet Res. 2013; 3(2):86-88.
5. Referans5 Johnson JL, Leipold HW, Schalles RR, Guffy MM, Peeples JG, Castleberry RS, Schneider HJ. Hereditary polydactyly in Simmental cattle. J Hered. 1981; 72(3):205-208.