Research Communication

Epidemiology and microscopic diagnosis of tuberculosis in pigs and small ruminants slaughtered at Bobo-Dioulasso abattoir, Burkina Faso

Adama Sanou, Amadou Dicko, Kadiatou R. Sow, Arthur Djibougou, Antoinette Kabore, Bassirou Diarra, Arsène K. Ouedraogo, Dezemon Zingue, Moumini Nouctara, Zekiba Tarnagda
Onderstepoort Journal of Veterinary Research | Vol 88, No 1 | a1908 | DOI: https://doi.org/10.4102/ojvr.v88i1.1908 | © 2021 Adama Sanou, Amadou Dicko, KADIATOU SOW, Arthur Djibougou, Antoinette Kabore, Bassirou Diarra, Arsène Kiswindsida Ouedraogo, Dezemon Zingue, Moumini Nouctara, Zekiba Tarnagda | This work is licensed under CC Attribution-NoDerivatives 4.0
Submitted: 25 September 2020 | Published: 03 December 2021

About the author(s)

Adama Sanou, Department of Biomedical, Centre MURAZ, Bobo-Dioulasso, Burkina Faso; and, Training and Research Unit in Science and Technology, Nazi BONI University, Bobo-Dioulasso, Burkina Faso
Amadou Dicko, Department of Biomedical Sciences, Centre MURAZ, Bobo Dioulasso, Burkina Faso
Kadiatou R. Sow, Department of Biomedical Sciences, Centre MURAZ, Bobo Dioulasso, Burkina Faso; and, Faculty of Medicine and Dentistry (FMOS), University of Sciences, Techniques and Technologies of Bamako (USTTB), Bamako, Mali
Arthur Djibougou, Department of Biomedical, Centre MURAZ, Bobo-Dioulasso, Burkina Faso
Antoinette Kabore, Department of Biomedical Sciences, Centre MURAZ, Bobo Dioulasso, Burkina Faso
Bassirou Diarra, University of Sciences, Techniques and Technologies of Bamako, Bamako, Mali
Arsène K. Ouedraogo, Department of Biomedical Sciences, Centre MURAZ, Bobo Dioulasso, Burkina Faso
Dezemon Zingue, Department of Biomedical Sciences, Centre MURAZ, Bobo Dioulasso, Burkina Faso
Moumini Nouctara, Department of Biomedical Sciences, Centre MURAZ, Bobo Dioulasso, Burkina Faso
Zekiba Tarnagda, Training and Research Unit in Science and Technology, Nazi BONI University, Bobo-Dioulasso, Burkina Faso


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Abstract

Bovine tuberculosis (bTB) is a zoonotic, infectious, chronic and contagious disease, caused by Mycobacterium bovis that mainly affects cattle. This pathology has a negative impact on animals and animal products trade. Unfortunately, in Burkina Faso where agriculture and livestock sectors represent around 80% of the socio-economic activities, the real situation of the disease is not well known especially in small ruminants and swine. Thus, our study focused on both the epidemiology and the microbiological diagnosis of tuberculosis (TB) in small ruminants and pigs slaughtered at Bobo-Dioulasso abattoir. A prospective study was conducted between August 2017 and December 2017. Epidemiological data collection was performed during routine meat inspection; moreover, samples were taken and transported to the Bacteriology laboratory of Centre Muraz for microbiological analyses. This diagnosis consisted in search of Acid Fast Bacilli (AFB) using the hot Ziehl–Neelsen staining. Out of a total of 14 648 small ruminants and 2430 pigs slaughtered during the study period, 156 and 17 had lesions suggestive of bTB with prevalence of 1.07% and 0.7%, respectively. Females and those between 2 and 4 years old were mainly infected. The most affected organs were: lungs, liver, spleen and lymph nodes. Finally, microscopy revealed 43.35% (75/173) of positive cases for AFB. These results confirm the presence of bTB in small ruminants and pigs in Burkina Faso. Efforts must still be made in the fight against this zoonosis in order to limit its economic and public health impacts.

Keywords

tuberculosis; small ruminants; pigs; routine inspection; Bobo-Dioulasso

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