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Abstract
In the process of daily routine operation at the Funtua abattoir, Katsina State, two adult Sokoto Gudali bulls were presented for slaughter. Close investigation during ante mortem examination revealed the bulls with swellings on their carpal joints. Further enquiry revealed long standing history of abortion and retained placenta in their herds. A decision to delay slaughter of the bulls was made till after the day’s activities. A decision was also made to collect blood without EDTA and hygroma fluid from the affected joints for screening of brucellosis at the Bacterial Zoonoses Laboratory of the Department of Veterinary Public Health and Preventive Medicine, Ahmadu Bello University, Zaria. The results from the serologicaltest indicated that the two bulls have evidence Brucella antibodies. Slaughter of the bulls was carried out and the knees of the bulls condemned. The State Veterinary Services was then alerted for necessary action. Presence of hygroma may be considered as evidence of brucellosis in the herd. The owners were advised not to breed such animals in future.
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Copyright (c) 2025 S. Ja'afaru, S.N.A. Saidu, B.Y. Kaltungo, M. Babashani, A. M. Ahmad, Y.M. Suleiman (Author)

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References
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- Madaki, I. Y. (2021). Sero-prevalence, risk factors and public Health implication of Brucella infections in chickens in Yobe State, Nigeria. Dissertation for the award of Fellowship Diploma of the College of Veterinary Surgeons Nigeria, Zaria Study Centre. 109 pages.
- Saidu, S. N. A., Kaltungo, B. Y. and Ibrahim, S. (2018). Advance Large Animal Medicine. Published by Ahmadu Bello University, Zaria Chapter 1 Page 1 to 20.
- Salisu, U. S., Kudi, C. A, Bale, J. O. O, Babashani, M., Kaltungo, B. Y., Saidu. S. N. A., Asambe, A. and Baba AY. (2017). Seroprevalence of Brucella antibodies in camels in Katsina State, Nigeria. Trop Anim Health Prod, 49(5):1041-1046. doi: 10.1007/s11250-017-1297-5.
- Tulu, D. (2022). Bovine Brucellosis: Epidemiology, Public Health Implications, and Status of Brucellosis in Ethiopia. Vet Med, 13: 21–30. https://doi.org/10.2147/VMRR.S347337
References
Adamu, N. B. and Ajogi, I. (1997). Serological investigations of camel (Camelus dromedaries) slaughtered at Kano Municipal abattoir for evidence of brucellosis. Trop Vet. 18: 45-48.
Adesiyun, A. A. and Abdu, P. A. (1984). Brucella abortus agglutinins in chickens in Nigeria. Bull. of Anim. Hlth. and Prod. in Afr. 32: 311-312.
Akinyemi, K. O., Fakorede, C. O., Amisu, K. O. and Wareth, G. (2022). Human and Animal Brucellosis in Nigeria: A Systemic Review and Meta-Analysis in the Last Twenty-One Years (2001-2021). Vet Sci, 9(8), 384. https://doi.org/10.3390/vetsci9080384
Alamian, S., Amiry, K., Bahreinipour, A., Etemadi, A., Yousefi, A. R. and Dadar M. (2023). Evaluation of serological diagnostic tests for bovine brucellosis in dairy cattle herds in an endemic area: a multicenter study. Trop Anim Health Prod.1;55(2):104. doi: 10.1007/s11250-023-03519-1. PMID: 36856875.
Baba, A. Y. (2016). Prevalence of Brucella antibodies in Horses and Knowledge, Attitude and practices of Grooms in Three Local Government Areas of Kaduna State, Nigeria. M.Sc. Dissertation. Ahmadu Bello University, Zaria, Nigeria. 135pages.
Buhari, H.U. (2014). Survey of Bovine Brucellosis in the North Senatorial District of Kaduna State, Nigeria. M.Sc. Ahmadu Bello University, Zaria, Nigeria.; 111pages
Mubiana, M., Mumba, C., Sitali, D., Malata, M., Luambia, I. N. and Muma, J. B. (2024). Risk of human exposure to Brucella species through the consumption of milk among traditional cattle farmers in the western province of Zambia. ASFIRJ, 1(1): e12477
Kaltungo, B.Y. (2013). Survey of brucellosis in Sheep and Goats in Kaduna North Senatorial District of Kaduna State, Nigeria. M.Sc. Thesis. Ahmadu Bello University Zaria. 155p
Kaltungo, B. Y. (2018a). Serological and participatory studies of Brucella infections in small ruminants in Katsina and Sokoto States, Nigeria. PhD thesis to Ahmadu Bello University, Zaria, Nigeria. 187 pages.
Kaltungo, B. Y. (2018b). Sero-prevalence and risk factors for Brucella melitensis in camels in two Local Government Areas of Katsina State, Nigeria. Dissertation for the award of Fellowship Diploma by the College of Veterinary Surgeons Nigeria, Zaria Study Centre. 56 pages.
Khurana, S. K., Sehrawat, A., Tiwari, R., Prasad, M., Gulati, B., Shabbir, M. Z., Chhabra, R., Karthik, K., Patel, S. K., Pathak, M., Iqbal Yatoo, M., Gupta, V. K., Dhama, K., Sah, R., &Chaicumpa, W. (2021). Bovine brucellosis - a comprehensive review. Vet Quart, 41(1), 61–88. https://doi.org/10.1080/01652176.2020.1868616
Madaki, I. Y. (2021). Sero-prevalence, risk factors and public Health implication of Brucella infections in chickens in Yobe State, Nigeria. Dissertation for the award of Fellowship Diploma of the College of Veterinary Surgeons Nigeria, Zaria Study Centre. 109 pages.
Saidu, S. N. A., Kaltungo, B. Y. and Ibrahim, S. (2018). Advance Large Animal Medicine. Published by Ahmadu Bello University, Zaria Chapter 1 Page 1 to 20.
Salisu, U. S., Kudi, C. A, Bale, J. O. O, Babashani, M., Kaltungo, B. Y., Saidu. S. N. A., Asambe, A. and Baba AY. (2017). Seroprevalence of Brucella antibodies in camels in Katsina State, Nigeria. Trop Anim Health Prod, 49(5):1041-1046. doi: 10.1007/s11250-017-1297-5.
Tulu, D. (2022). Bovine Brucellosis: Epidemiology, Public Health Implications, and Status of Brucellosis in Ethiopia. Vet Med, 13: 21–30. https://doi.org/10.2147/VMRR.S347337