Table 1.

Results of enteric culture isolates from BALB/cAnNHsd and BALB/cJ mice

	BALB/cAnNHsd			BALB/cJ
	Isolate	Tetracycline sensitivity	Trimethoprim sensitivity	Isolate	Tetracycline sensitivity	Trimethoprim sensitivity
Before the start of treatment
	Enterococcus faecalis	sensitive	sensitive	Enterococcus faecalis	resistant	sensitive
	Escherichia coli	sensitive	sensitive	Staphylococcus xylosus	sensitive	sensitive
	Enterococcus durans	sensitive	sensitive	Staphylococcus epidermidis	sensitive	resistant
	Lactobacillus spp.	sensitive	sensitive
	Staphylococcus sciuri	sensitive	intermediate
Midpoint (3 wk after the start of treatment)
	Enterococcus faecalis	resistant	sensitive	Enterococcus faecalis	resistant	resistant
	Staphylococcus aureus	resistant	resistant	Enterococcus gallinarum	resistant	sensitive
	Staphylococcus epidermidis	sensitive	resistant
End of treatment (6 wk after the start of treatment)
	Enterococcus faecalis	resistant	resistant	Enterococcus faecalis	resistant	resistant
	Staphylococcus aureus	resistant	resistant	Enterococcus gallinarum	resistant	sensitive
	Enterococcus avium	resistant	sensitive
	Bacillus spp.	sensitive	sensitive