thesis
A Study On Bacterial Contaminats Of Raw Milk In Small Dairy Producing Units In Omdurman, Khartoum State
- Publication date
- Publisher
- UOFK
Abstract
Sixty samples were collected from small dairy producing units in
Omdurman, Khartoum state to study the bacteriological quality of milk.
Collected samples included thirty-six milk samples (30 from
lactating cows, and 6 from bulk tanks), six swabs from milker’s hands,
six swabs from milk utensils, six samples from water which used in the
farms, and six samples from the environment of the units.
All milk samples were investigated by total plate count and milk
ring test. Results revealed that milk produced in these units was of good
quality according to tropical standards, although 47% of samples were
positive to milk ring test.
Many bacterial contaminants were isolated from different samples.
Bacillus cereus was the most common (25% of the isolates). The
environment of these producing units was the most probable source of
this bacterium