Table 4. The detection rate of Eimeria spp. from Korean native calves by age group and fecal status

Fecal status	Age group	Eimeria spp. negative (%)	Eimeria spp. positive (%)	Total	p-value (linear for trend)
Normal	1 (1–10)	36 (65.5)	19 (34.5)	55	0.008
	2 (11–30)	101 (71.6)	40 (28.4)	141
	3 (31–60)	118 (81.9)	26 (18.1)	144
	Total	255 (75.0)	85 (25.0)	340
Diarrhea	1 (1–10)	22 (68.8)	10 (31.3)	32	0.956
	2 (11–30)	64 (68.8)	29 (31.2)	93
	3 (31–60)	54 (68.4)	25 (31.6)	79
	Total	140 (68.6)	64 (31.4)	204