Table 2. Gene expression stability rankings for different growth phase in A. paragallinarum serovar A analyzed by geNorm.

Exponential		Stationary		Combined
gyrA	0.468	gyrA	0.428	16S rRNA	0.572
recN	0.480	atpD	0.436	gyrA	0.583
16S rRNA	0.513	rpoB	0.450	recN	0.590
rpoB	0.542	recN	0.470	rpoB	0.596
pgi	0.562	gyrB	0.484	pgi	0.604
atpD	0.606	infB	0.613	gyrB	0.666
gyrB	0.609	16S rRNA	0.625	atpD	0.673
infB	0.750	pgi	0.861	infB	1.009
sodA	1.781	sodA	1.257	sodA	2.040