TABLE 5.

Viability of serovar Typhimurium F98 and its cydA and atpB derivatives in the livers and spleens of 2-day-old chickens

Time (days) after inoc.a	Log10 viable countb after intravenous inoculation of:
	Serovar Typhimurium F98 (parent)		Serovar Typhimurium F98 (cydA)		Serovar Typhimurium F98 (atpB)
	Liver	Spleen	Liver	Spleen	Liver	Spleen
0	<2	1.75	<2	1.63	<2	1.48
3	3.89	5.56	2.89	3.99	2.69	4.60
5	4.24	5.79	4.62	6.01	3.67	3.78
7	3.33	5.65	1.87	4.34	<2	2.45
10	2.66	4.34	<2	3.09	<2	1.98
13	2.34	3.77	<2	1.87	<2	<2
17	3.08	3.56	<2	1.22	<2	<2

^ainoc., inoculation.

^bMedian log₁₀ count from three birds. All birds were inoculated in gastrocnemius muscle with 10⁴ CFU.