Abbatoir meats sold in the open at the Ibadan market stalls were swabbed to investigate the presence of any microorganism. Flies were caught on carcases being transported from the abbatoir in open vehicles to meat stalls and also at meat stalls and nearby refuse using fly catching nets. Major flies caught were Musca domestica; Culicoides species, Chrysomia and Fannia cannicularis. Stophylococcus aureus, Salmonella and Escherichia coli were the bacteria isolated from.