Abubakar, B. A., Maikai, B. V., Ajogi, I., AND Otolorin, G. R.. " Prevalence of Giardia Cysts in Household Dog Faeces within Zaria Metropolis, Kaduna State, Nigeria and its Public Health Significance" Journal of Veterinary Advances [Online], Volume 5 Number 8 (30 August 2015)