Table 1.

Distribution of groups, replicates and animals.

Group	Replicates	Animal/Replicate	Animal/Group
Control Grup	10	2	20
ZnO	10	2	20
OEO 0.4%	10	2	20
OEO 1.2%	10	2	20
PGP 0.4%	10	2	20
PGP 2%	10	2	20
OEO 1.2% + PGP 2%	10	2	20
Total		14	140

OEO: oregano essential oil; PGP: purple garlic powder.