Protective Effect of Potential Probiotic Strains from Fermented Ethiopian Food against Salmonella Typhimurium DT104 in Mice

Table 5

Viable cell counts of Salmonella Typhimurium DT104 in fecal material of mice.

Sample	Sampling days	Treatment group
		Negative control (PBS)	Treated group (pro-typ)	Positive control (typ)
Fecal material of mice	Day 9	0.00 ± 0.00^a	2.27 ± 0.01^ab	4.47 ± 0.02^f
	Day 10	0.00 ± 0.00^a	2.30 ± 0.03^a	4.52 ± 0.04^e
	Day 11	0.00 ± 0.00^a	1.93 ± 0.04^abc	4.56 ± 0.01^bcd
	Day 12	0.00 ± 0.00^a	1.90 ± 0.07^abc	4.55 ± 0.02^cde
	Day 13	0.00 ± 0.00^a	1.88 ± 0.04^abc	4.58 ± 0.02^abc
	Day 14	0.00 ± 0.00^a	1.82 ± 0.05^bcd	4.61 ± 0.00^a
	Day 15	0.00 ± 0.00^a	1.74 ± 0.06^cd	4.60 ± 0.01^a
	Day 16	0.00 ± 0.00^a	1.65 ± 0.07^cd	4.59 ± 0.00^ab
	Day 17	0.00 ± 0.00^a	1.65 ± 0.07^cd	4.56 ± 0.01^bcd
	Day 18	0.00 ± 0.00^a	1.39 ± 0.13^d	4.56 ± 0.01^bcd
	Day 19	0.00 ± 0.00^a	0.50 ± 0.71^e	4.54 ± 0.01^de
	Day 20	0.00 ± 0.00^a	0.00 ± 0.00^f	4.53 ± 0.01^de
	Day 21	0.00 ± 0.00^a	0.00 ± 0.00^f	4.52 ± 0.02^e

PBS = PBS = phosphate-buffered saline;pro + typ = both mixed probiotic cultures and Salmonella; typ = mono Salmonella Typhimurium DT104. Data are means ± SD from three replications and values followed by different letters within columns indicate significant differences ().