Table 2.

Effect of an O. ostertagi on transcript levels of physiologic gastric acid secretion regulators (Mean fold difference compared to uninfected calves ± SEM)

	Single infection			Trickle infection
	Experimental			Experimental	Natural
Gene	6 dpi	9 dpi	24 dpi	60 dpi	60 dpe
ATP4A	1.62 ± 0.35	0.75 ± 0.08	0.49 ± 0.14	0.67 ± 0.04	0.29 ± 0.05*
AQP4	1.05 ± 0.53	0.99 ± 0.25	0.88 ± 0.08	0.64 ± 0.02**	0.42 ± 0.06*
KCNQ1	1.56 ± 0.17	1.11 ± 0.18	1.42 ± 0.24	1.27 ± 0.04	1.6 ± 0.25
HDC	1.57 ± 0.07*	1.33 ± 0.17	1.83 ± 0.4	0.94 ± 0.05	1.53 ± 0.37
H2HR	2.18 ± 0.23*	1.1 ± 0.24	1.34 ± 0.21	0.92 ± 0.09	0.69 ± 0.08
CCKBR	0.95 ± 0.22	1.39 ± 0.35	0.59 ± 0.15	0.70 ± 0.5*	0.72 ± 0.1

*p value ≤ 0.05 uninfected animals vs infected animals.

**p value ≤ 0.01 uninfected animals vs infected animals.