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International Journal of Agriculture and Rural Development

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Incidence of staphylococcus aureus in locally produced fresh milk (nono) sold in Damaturu metropolis, Yobe State, Nigeria

EI Nnadi

Abstract


This paper investigates the incidence of the bacterial organism Staphylococcus, aureus in locally produced fresh milk (nono). The fresh milk was obtained from the Damaturu main market, Yobe state of Nigeria. Petri dishes were washed and allowed to dry. They were then sterilized in hot air oven at 130°C for two hours and allowed to cool before the culture media was poured into them. The culture media was prepared using nutrient agar plate, blood agar plate, and mannitol salt agar plate. The Nono was inoculated into the nutrient agar plate and incubated at 380°C for 24 hours before the following tests were carried out: Gram staining, Catalese test, and Coagulese test. The result indicated the total Staphylococcus aureus count from the fresh milk. Their percentage rate of occurrence ranged from 25% to 45%. It is concluded that Staphylococcus aureus is one of the major bacteria found in this locally produced fresh milk (nono). This may be as a result of its moisture and nutritional composition.

International Journal of Agriculture and Rural Development Vol. 7(2) 2006: 99-106



http://dx.doi.org/10.4314/ijard.v7i2.2648
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