Type of microbes Mean microbial count (log CFU ml-1) by sources of raw milk Mean (N=60) SD
Group A (n=6) Group B (n=27) Group C (n=27)
AMBC 5.77 (0.65)b 6.82 (0.31)a 6.97 (0.31)a 6.79 1.72**
CC 5.60 (0.43) 5.55 (0.20) 5.64 (0.20) 5.60 0.77ns
Staph.C 5.91 (0.41) 5.49 (0.19) 5.53 (0.19) 5.55 0.94ns
LABC 6.27 (0.45) 6.21 (0.21) 6.01 (0.21) 6.13 1.20ns
AMBC=aerobic mesophilic bacteria count, CC=coliform count, Stap. C=Staphylococci counts, LAB=lactic acid bacteria, SD=standard deviation, NS=non significant,** significant at p<0.05
Table 5: Mean (± SD) microbial counts of Irgo samples (Log10 cfu ml-1) collected from three Irgo producing groups in Hawassa city.