Effects of Dietary Supplementation of Oregano Essential Oil to Sows on Oxidative Stress Status, Lactation Feed Intake of Sows, and Piglet Performance

Table 2

The number of sows during the experimental periods.

Item	C^1	OEO^1
Breeding	26	28
Culled during gestation^2	3	1
Parturition	23	27
Culled during lactation^2	1	2
Weaning	22	25

Dietary treatments: C = control diet; OEO = 15 mg/kg oregano essential oils diet.
Data of sows that were ill, seriously lame, died during the study and had reproductive failure were not included.