Table 1.

Number of T. gallinae in the oral cavity of squabs at different days post infection (dpi)^a.

Groupb	1 dpi	2 dpi	3 dpi	4 dpi	7 dpi
N	0	0	0	0	0
S	1.48 ± 0.37	1.66 ± 0.37	3.19 ± 1.17	12.45 ± 9.78	180.69 ± 72.37
T	0	0	0	0	0

^adata are presented as mean ± standard error, unit is 10⁴ parasite/ml.

^bN denotes uninfected birds, S denotes susceptible birds infected with T. gallinae, and T denotes tolerant birds infected with T. gallinae.