Table 1. Results of the number of oocysts from the feces of the studied chicks

Group	Oocysts numbers (× 106) / Days post infection
	6	7	8	9	10
Control	0 ± 0*	0 ± 0*	0 ± 0*	0 ± 0*	0 ± 0*
Infected control1)	12.3 ± 1.64	61.9 ± 5.63	36.1 ± 4.82	21.6 ± 4.03	15.8 ± 3.01
HCE + Eimeria2)	8.6 ± 2.22*	25.5 ± 3.63*	13.0 ± 3.09*	2.4 ± 1.43*	0 ± 0*

The chicks inoculated with Eimeria tenella oocysts.
Chicks inoculated with Eimeria live oocysts and treated with 0.2% Houttuynia cordata extract (HCE).
Significantly difference with Eimeria infected control chicks (p<0.05).