Prevalence and economic loss of bovine tuberculosis in a municipal abattoir, Abeokuta Southwestern Nigeria

Abstract

A 12 month cross-sectional study was carried out at Lafenwa Abattoir Abeokuta, Southwestern Nigeria from July, 2011 to June, 2012. This was to determine the prevalence and economic loss of bovine tuberculosis in this abattoir. A total of 928 cases of bovine tuberculosis out of 52,273 cattle slaughtered during this period were condemned, representing a total prevalence of 1.78% (95% CI: 1.31- 2.14%). Typical tuberculous lesions were found in the Lung, Liver and Spleen, higher rate of organ condemnation was observed in the lung followed by liver and spleen. There was statistically significant difference in rate of organ condemnation (P<0.05). The monthly prevalence and sequence plot revealed an epidemic tendency for bovine tuberculosis during this period and there was statistically significant difference between prevalence of bovine tuberculosis and seasonal occurrence. An estimated total loss of N1.2 million (US$7,367) due to bovine tuberculosis was observed in this abattoir for the year. It was concluded that bovine tuberculosis is prevalent with epidemic tendency in cattle destined for human consumption, also with attending serious public health implications and huge loss to both the butchers and national economy.

Animal diseases and zoonoses at a municipal slaughterhouse in Southwest Nigeria: Three-year retrospective survey (2014–2016)

“…In the three years reviewed, BTB and hydatidosis were more reported in the wet season than in the dry season, corroborating findings also in Nigeria by Bala et al (2011). However, this was contrary to a survey conducted in the same slaughterhouse in 2013 (Oluwasile et al, 2013). Hydatidosis risk is higher in areas of high rainfall, snail infestation and high animal density (Mellau et al, 2011).…”