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.
Item
C1
OEO1
SEM
value
Number of sows
22
25
Daily allowances during gestation, kg/d
2.42
2.42
0.01
0.99
Sow BW, kg
Breeding
232.7
234.0
4.01
0.59
Gestation, day 107
267.3
268.1
3.31
0.88
Gain
34.6
34.1
2.08
0.33
Parturition
246.3
247.3
3.30
0.98
Weaning
236.3
237.0
3.40
0.75
Loss
10.0
10.3
1.54
0.45
Sow backfat thickness, mm
Breeding
16.2
16.0
0.43
0.78
Gestation, day 107
17.0
17.5
0.47
0.88
Gain
0.8
1.6
0.35
0.79
Parturition
16.3
17.0
0.49
0.46
Weaning
14.4
14.1
0.37
0.56
Loss
1.9
2.9
0.34
0.46
Average daily feed intake, kg
1st week of lactation
4.21
4.17
0.15
0.88
2nd week of lactation
5.93
5.90
0.15
0.88
3rd week of lactation
6.03
6.46
0.17
0.07
Mean of 1st week to 3rd week
5.39
5.51
0.13
0.55
WEI, d
4.89
4.63
0.11
0.21
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.