In Ethiopia the quality and safety of food have been controlled, regulated and inspected by the National Research Institute of Health and regional laboratories.
Sources of food contamination Food may acquire their micro-organism from various sources and the following are the important sources.
Animals could be a source of contamination of food.
The surface of animals, the respiratory tract, the gastrointestinal tract, hides, Loofs and waste products of animals are important sources of contamination.
Food may get their contamination from green plants. The natural flora of growing plants includes pseudomonas, alcaligenes, bacissus, Micrococcus, coliform etc. microbial
Gastrointestinal pathogens, coliforms, Enterococci of untreated domestic sewage could be source of contamination of raw plant foods. Sewage can also contaminate natural waters and contribute micro-organisms to shellfish, fish and other sea foods.