Research Article

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

Table 5

Effects of dietary supplementation of oregano essential oils to sows in gestation and lactation on sow performance.

ItemC1OEO1SEM value

Number of sows2225
Daily allowances during gestation, kg/d  2.422.420.010.99
Sow BW, kg
 Breeding232.7234.04.010.59
 Gestation, day 107267.3268.13.310.88
 Gain34.634.12.080.33
 Parturition246.3247.33.300.98
 Weaning236.3237.03.400.75
 Loss10.010.31.540.45
Sow backfat thickness, mm
 Breeding16.216.00.430.78
 Gestation, day 10717.017.50.470.88
 Gain0.81.60.350.79
 Parturition16.317.00.490.46
 Weaning14.414.10.370.56
 Loss1.92.90.340.46
Average daily feed intake, kg
 1st week of lactation4.214.170.150.88
 2nd week of lactation5.935.900.150.88
 3rd week of lactation6.036.460.170.07
 Mean of 1st week to 3rd week5.395.510.130.55
WEI, d4.894.630.110.21

SEM, standard error of means; BW, body weight; WEI, weaning-to-estrus interval.
Dietary treatments: C = control diet; OEO = 15 mg/kg oregano essential oils diet.