Table 2.

Mean total bacteria, E.coli and Salmonella spp. counts in dairy cattle and farm environmental samples (log CFU/g or ml±SD).

Sample(n)	Research animal farm			BAU dairy farm			Dairy farm in Sutiakhali			Dairy farm in Boira
	TVC	TEC	TSC	TVC	TEC	TSC	TVC	TEC	TSC	TVC	TEC	TSC
Cow dung(15)	7.93±0.044	6.98±0.041	5.74±0.066	7.96±0.047	7.00±0.042	5.78±0.069	7.99±0.045	7.03±0.042	5.83±0.062	7.99±0.054	7.04±0.048	5.82±0.084
Milk(10)	6.76±0.039	4.88±0.028	3.76±0.051	6.79±0.038	4.90±0.029	3.79±0.049	6.83±0.032	4.93±0.023	3.84±0.039	6.88±0.036	4.97±0.033	3.87±0.036
Milker’s hand wash(10)	6.57±0.067	5.75±0.047	4.58±0.060	6.63±0.062	5.80±0.042	4.64±0.083	6.68±0.052	5.83±0.044	4.69±0.061	6.71±0.044	5.85±0.040	4.71±0.057
Soil(10)	8.56±0.065	6.66±0.058	5.81±0.038	8.62±0.080	6.71±0.078	5.85±0.043	8.65±0.059	6.74±0.051	5.87±0.050	8.64±0.071	6.73±0.07	5.87±0.051
Water(5)	4.70±0.089	3.80±0.101	2.74±0.116	4.65±0.067	3.74±0.068	2.69±0.084	4.54±0.047	3.62±0.067	2.52±0.083	4.58±0.080	3.66±0.080	2.56±0.063
Vegetables(10)	6.84±0.045	5.57±0.087	4.57±0.091	6.87±0.047	5.59±0.101	4.63±0.091	6.87±0.044	5.53±0.048	4.63±0.064	6.91±0.039	5.60±0.095	4.68±0.076

TVC=Total viable bacterial count, TEC=Total E.coli count, TSC=Total Salmonella spp. count, CFU=Colony-forming unit, SD-Standard deviation, BAU=Bangladesh Agricultural University, E.coli=Escherichia coli