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Abstract
Bovine tuberculosis poses a significant threat to public health as humans become infected via consumption of meat or milk of infected animals. The report of a case of bovine tuberculosis during routine meat inspection at the Ubakala Slaughterhouse in Abia State, aims at providing insights into disease surveillance and control measures. Routine postmortem inspection of slaughtered cattle involving observation, palpation and incision of organs and examination of the carcass were carried out. Findings in this case report were based on gross examination and post-mortem lesions observed from the affected carcass. Postmortem examination revealed presence of tuberculous lesions and caseous nodules in lungs of the slaughtered cow. Incision into the lobes of the lungs gave a gritty sound revealing more caseous nodules. While the gross lesions observed provide valuable preliminary evidence suggestive of bovine tuberculosis, the absence of laboratory confirmation limits definitive diagnosis. Strengthening bovine tuberculosis control programs remains essential for safeguarding public health, improving livestock productivity, and ensuring the safety of the meat supply chain
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References
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References
Agbalaya, M. A., Ishola, O. O., Adesokan, H. K. and Fawole, O. I. (2020). Prevalence of bovine tuberculosis in slaughtered cattle and factors associated with risk of disease transmission among cattle handlers at Oko-Oba Abattoir, Lagos, Nigeria. Vet World., 13(8): 1725 – 1731. DOI: 10.14202/vetworld.2020.1725-1731
Bikom, P. M., Nwankwo, I. O., Ogugua, J. A., Njoga, E. O., Okafor, S. C., Nwanta, J. A. and Oboegbulem, S. I. (2021). Prevalence and distribution of bovine tuberculosis among slaughtered cattle in Cross River State, Nigeria. Anim. Res. Int., 18(1): 3977 – 3989. DOI:10.4314/SJVS.V6I1.41477
Cadmus, S. I. B. (2019). Bovine tuberculosis in Nigeria: historical perspective, burden, risk factors, and challenges for its diagnosis and control. In: Dibaba, A., Kriek, N., Thoen, C. (Eds.) Tuberculosis in animals: an African perspective. Springer, Cham Inc., Switzerland, pp.363 – 378. DOI: 10.1007/978-3-030-18690-6_17
Cadmus, S. I. B., Atsanda, N. N., Oni, S. O., Akang, E. E. U. (2004). Bovine tuberculosis in one cattle herd in Ibadan in Nigeria. Vet. Med., 49(11): 406 – 412. DOI: 10.17221/5730-VETMED
Cadmus, S. I. B., Gordon, S. V., Hewinson, R. G. and Smith, N. H. (2011). Exploring the use of molecular epidemiology to track bovine tuberculosis in Nigeria: an overview from 2002 to 2004. Vet Microbiol., 151(1-2): 133 – 138. DOI: 10.1016/j.vetmic.2011.02.036
Jenkins, A. O., Cadmus, S. I. B., Venter, E. H., Pourcel, C., Hauk, Y., Vergnaud, G. and Godfroid, J. (2011). Molecular epidemiology of human and animal tuberculosis in Ibadan, Southwestern Nigeria. Vet Microbiol., 151(1-2): 139–147. DOI: 10.1016/j.vetmic.2011.02.037
Mekonnen, G. A., Gumi, B., Berg, S., Conlan, A. J. K., Ameni, G. and Wood, J. L. N. (2020). A case of early neonate bovine tuberculosis in Ethiopia. Clin Case Rep., 9(1): 487 – 490. DOI: 10.1002/ccr3.3563
Odetokun, I. A., Alhaji, N. B., Aminu, J., Lawan, M. K., Abdulkareem, M. A. and Ghali-Mohammed, I. (2022). One Health risk challenges and preparedness regarding bovine tuberculosis at abattoirs in Northcentral Nigeria: associated drivers and health belief. PLoS Negl Trop Dis., 16(9): e0010729. DOI: 10.1371/journal.pntd.0010729
Pollock, J. M. and Neill, S. D. (2002). Mycobacterium bovis infection and tuberculosis in cattle. Vet J., 163(2): 115–127. DOI: 10.1053/tvjl.2001.0655
Tukur, H. B., Kaltungo, B. Y. and Saidu, S. N. A. (2022). Prevalence of bovine tuberculosis in Kaduna central abattoir, Kaduna State, Nigeria. JoSVAS, 2(1): 7-13. DOI: 10.54328/com.josvas.2022.038
World Organization for Animal health (OIE) (2016). Manual of diagnostic tests for aquatic animals. Available online at: http://www.oie.int/en/standard-setting/aquatic-manual/access-online/ OIE. Last Accessed September 4, 2024.