Original Research

First report of polymelia and a rudimentary wing in a Nigerian Nera black chicken

Odunayo I. Azeez, Ademola A. Oyagbemi
Journal of the South African Veterinary Association | Vol 84, No 1 | a1082 | DOI: https://doi.org/10.4102/jsava.v84i1.1082 | © 2013 Odunayo I. Azeez, Ademola A. Oyagbemi | This work is licensed under CC Attribution 4.0
Submitted: 08 July 2013 | Published: 27 November 2013

About the author(s)

Odunayo I. Azeez, Department of Veterinary Physiology, Biochemistry and Pharmacology, Faculty of Veterinary Medicine, University of Ibadan, Nigeria
Ademola A. Oyagbemi, Department of Veterinary Physiology, Biochemistry and Pharmacology, Faculty of Veterinary Medicine, University of Ibadan, Nigeria


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Abstract

A case of polymelia with a rudimentary wing is described in an eight-week-old Nera black chicken (Gallus domesticus). It is a rare disorder with chromosomal aberrations, which are associated with congenital limb malformations. The condition was observed during routine physical examination of a flock of 2000 poultry birds in the month of February 2008 in Ibadan, Nigeria. After physical examination, the bird was found to have two extra well-developed legs, which were shorter than the normal legs. These extra legs were also found to be non-functional. Similarly, a rudimentary wing, which was highly vestigial, was found on the left lateral side of the bird very close to the cloaca. The bird died at the age of eight weeks. This is the first reported case of polymelia with a rudimentary wing in a domestic chicken in Nigeria.

Keywords

Congenital abnormality; integumentary; poultry; pathology

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