Table 5.

Average (mean ± SE) fecal score at the 15 days of the study, number of days with diarrhea, fecal score at the days with diarrhea and diarrhea index in calves receiving oregano oil (Eco) and those left untreated (Conts).

		Fecal score	Days with diarrhea	Diarrhea fecal score	Diarrhea index
Eco		1.20 ± 0.05	3.86 ± 0.41	2.42 ± 0.06	9.52 ± 1.09
Conts		1.52 ± 0.06	5.18 ± 0.42	2.44 ± 0.06	12.97 ± 1.21
P	Group	***	*	NS	*
	Farm	NS	NS	NS	NS
	Pathogen	NS	NS	NS	NS
	Group × farm	NS	NS	NS	NS
	Group × pathogen	NS	NS	NS	NS
	Farm × pathogen	NS	NS	NS	NS
	Group × farm × pathogen	NS	NS	NS	NS

*P < 0.05; ***P < 0.001; NS: no significant (P > 0.05).