Saima Parveen, Altaf Mahmood, Tanveer Hussain, Sajid Umar, Ayesha Azad, Nosheen Shoukat, Mirza Muhammad Arsalan Azam, Nosheen Akhtar Malik, Zubia Malik, Shujjah Haider and Syed Muhammad Kamal Nasir
1Department of Biology, Virtual University of Pakistan, Lahore, Punjab, Pakistan
2Livestock and Dairy Development Department, Government of Punjab, Chakwal, Punjab, Pakistan
3Department of Molecular Biology and Biotechnology, Faculty of Science and Technology, Virtual University of Pakistan, Lahore, Punjab, Pakistan
4Department of Pathology, Faculty of Veterinary and Animal Sciences, PMAS Arid Agriculture University, Rawalpindi, Pakistan
5Poultry Research Institute, Livestock and Dairy Development Department, Govt. of Punjab, Pakistan
6Department of Biotechnology, Virtual University of Pakistan, Lahore, Punjab, Pakistan
7Department of Zoology, University of the Punjab, Lahore, Punjab, Pakistan
*Corresponding Author: Altaf Mahmood, Assistant Disease Investigation Officer, Livestock and Dairy Development Department, Government of Punjab, Chakwal, Punjab, Pakistan.
Received: August 05, 2020; Published: February 17, 2021
Commercial poultry sector is one of the most important segments of global trade and production. Coccidiosis, a worldwide disease of economic importance, significantly influences the production potential of this sector. To decrease the prevalence and consequent economic losses, identification of factors, which influence the frequency and persistence of illness, is pre requisite. A retrospective case control study was conducted for a period of one year in order to identify the risk factors associated with coccidiosis infection. Total of 70 broiler and 15 layer flocks of varying age and population sizes were selected as cases. For each case flock, one apparently healthy flock of similar breed, age and population size was also selected as control. Data of these 85 case control pair flocks regarding disease incidence and associated factors, recorded from January through December 2018, were analyzed for measures of association. Monsoon season, no vaccination, broiler breed, winter season, post monsoon season, spring season, open shed, wet litter, ≤ 4 weeks age, coccidiostat excluded feed and crowding appeared as putative risk factors exhibiting significant (P < 0.05) association with coccidiosis infection by odds ratios of 2.88, 3.35, 3.66, 5.70, 6.77, 7.12, 8.14, 8.50, 9.28, 9.33 and 11.40 respectively. Non-significant (P > 0.05) association of coccidiosis infection was recorded with layer breed and scarce flushing with odds ratios of 0.73 and 0.94 respectively. Incidence and persistence of coccidiosis infection in commercial poultry population is significantly influenced by management and seasonal factors.
Keywords: Avian Coccidiosis; Risk Factors; Case-Control Flocks; Odds Ratio; Broiler and Layer Breeds; Management Factors; Seasonal Factors
Citation: Altaf Mahmood., et al. “Case Control Study of Avian Coccidiosis in Commercial Poultry". Acta Scientific Veterinary Sciences 3.3 (2021): 03-07.
Copyright: © 2020 Altaf Mahmood., et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.