Original Research

Time-series analysis of ruminant foetal wastage at a slaughterhouse in North Central Nigeria between 2001 and 2012

Nma B. Alhaji, Ismail A. Odetokun, Aminu Shittu, Joshua Onyango, Umar M. Chafe, Muhammed S. Abubakar, Issa A. Muraina, Folorunso O. Fasina, Hu Suk Lee
Onderstepoort Journal of Veterinary Research | Vol 82, No 1 | a1010 | DOI: https://doi.org/10.4102/ojvr.v82i1.1010 | © 2015 Nma B. Alhaji, Ismail A. Odetokun, Aminu Shittu, Joshua Onyango, Umar M. Chafe, Muhammed S. Abubakar, Issa A. Muraina, Folorunso O. Fasina, Hu Suk Lee | This work is licensed under CC Attribution 4.0
Submitted: 30 June 2015 | Published: 15 December 2015

About the author(s)

Nma B. Alhaji, Epidemiology Unit, Ministry of Livestock and Fisheries Development, Nigeria
Ismail A. Odetokun, Department of Public Health and Preventive Medicine, University of Ilorin, Nigeria
Aminu Shittu, Department of Theriogenology and Animal Production, Usmanu Danfodiyo University, Nigeria
Joshua Onyango, Animal Welfare and Veterinary Health, University of Northampton, United Kingdom
Umar M. Chafe, Department of Medicine and Surgery, Usmanu Danfodiyo University, Nigeria
Muhammed S. Abubakar, Department of Pathology and Microbiology, Usmanu Danfodiyo University, Nigeria
Issa A. Muraina, Diabetes and Nutritional Science Division, King’s College, United Kingdom; National Veterinary Research Institute, Akure, Nigeria
Folorunso O. Fasina, Department of Production Animal Studies, University of Pretoria, South Africa
Hu Suk Lee, International Livestock Research Institute, Regional Office for East and Southeast Asia, Hanoi, Viet Nam


In developing countries, foetal wastage from slaughtered ruminants and the associated economic losses appear to be substantial. However, only a limited number of studies have comprehensively evaluated these trends. In the current study, secondary (retrospective) and primary data were collected and evaluated to estimate the prevalence of foetal wastage from cattle, sheep and goats slaughtered at an abattoir in Minna, Nigeria, over a 12-year period (January 2001 – December 2012). Time-series modelling revealed substantial differences in the rate of foetal wastage amongst the slaughtered species, with more lambs having been wasted than calves or kids. Seasonal effects seem to influence rates of foetal wastage and certain months in the year appear to be associated with higher odds of foetal wastage. Improved management systems are suggested to reduce the risk of foetal losses.


Time-series; trend; seasonality; ruminants; foetal wastages; abattoir; Nigeria


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