Saulawa, M. A., Ayuba, K., and Fouad, M. “Seroprevalence of Leptospira Spp Serovar Hardjo Among Cattle Slaughtered at Katsina Central Abattoir, Katsina State, Nigeria”. UMYU Journal of Microbiology Research (UJMR), vol. 10, no. 3, June 2025, pp. 28-34, doi:10.47430/ujmr.25103.004.