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Veterinary Medicine International
Volume 2014 (2014), Article ID 528084, 6 pages
http://dx.doi.org/10.1155/2014/528084
Research Article

Occurrence of Staphylococcal Ocular Infections of Food Producing Animals in Nsukka Southeast, Nigeria

1Department of Veterinary Surgery, University of Nigeria, Nsukka 400001, Nigeria
2Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, University of Nigeria, Nsukka 400001, Nigeria

Received 26 November 2013; Revised 20 December 2013; Accepted 2 January 2014; Published 12 February 2014

Academic Editor: Lorraine M. Sordillo

Copyright © 2014 Sunday Ositadinma Udegbunam et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Staphylococcal ocular infections of food animals have been somewhat under diagnosed probably due to the ubiquitous nature of staphylococcal organisms. This study was undertaken to determine the occurrence of staphylococcal ocular infections of food producing animals in Nsukka Southeast, Nigeria, and to determine the antibiogram of the isolated staphylococci. A total of 5,635 food producing animals were externally examined for signs of clinical ocular conditions. Animals that showed clinical eye lesions were further examined using pen light to assess the entire globe and the pupillary reflex. Blindness was assessed using menace blink reflex, palpebral reflex and obstacle methods. Isolation and identification of staphylococcal isolates from ocular swabs were done by standard methods. Antibiogram of the isolates was determined by disc diffusion method. Sixty-three (1.1%) of the examined animals showed signs of ocular condition. Thirty-one (49.2%) of the cultured swabs yielded Staphylococcus aureus (S. aureus). Isolation rates from different animal species were caprine (60%), ovine (33.3%), bovine (12.5%), and porcine (0%). Resistance of the isolates was 100% to ampicillin/cloxacillin, 90% to tetracycline, 80% to streptomycin, 71% to chloramphenicol, 20% to erythromycin, 16% to gentamicin, and 0% to ciprofloxacin and norfloxacin. Twenty-five (81%) of the isolates were multi-drug resistant. This study has shown that antibiotic-resistant staphylococci are associated with a sizeable percentage of ocular infections of food producing animals and should be considered during diagnosis and treatment.