Castration is a common procedure that is performed worldwide on animals. This paper undertakes a retrospectively study of castration in dogs in Jos from 2011 – 2016. Medical records from 2 major veterinary institutions were retrieved. A total of 38,201 cases were presented to the small animal units from 1st January 2011 to 31st December 2016. Out of which a total of 299 (1%) dogs were castrated. Based on age of the dogs, 206 (68.9 %) aged 0 – 11months; 55 (18.4%) aged 1year – 1year 11months; 24 (8.03%) aged 2years – 2 years 11months; 4 (1.34%) aged 3years – 3years 11months; 3 (1.00%) aged 4years – 4years 11months; 7 (2.34%) aged 5years and above were castrated. Most dogs castrated were Mongrel 271(90%), Alsatian cross 16 (6%), Rottweiler 6 (2%) and Caucasian 6 (2%). From clinic records, all 299 (100%) castrations performed were through surgical method. The study revealed that majority of dog owners requested that their dogs be castrated before 1year of age, but the demand decreased with increase in age of the dogs