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Table 3 Reprodcutive performance of young and mature sows during lactation1

From: Effects of spray dried plasma on litter growth performance and oxidative stress and inflammation of sows kept in a hot environment

Parity:

Young

Mature

Pooled SEM

P-value2

Spray dried plasma, %:

0.50

0.50

D

P

D × P

Parity

1.52

1.48

4.35

4.44

0.20

0.928

< 0.001

0.746

Body weight, kg

 d 107 gestation

227

224

254

246

3.93

0.142

 < 0.001

0.632

 d 1 lactation

214

210

240

235

4.30

0.274

 < 0.001

0.930

 d 10 lactation

205

202

234

234

5.84

0.648

 < 0.001

0.712

 d 20 lactation

193

194

226

222

4.61

0.740

 < 0.001

0.706

Average daily gain, kg

 d 1 to 10 lactation

−0.92

−0.86

−0.60

−0.13

0.27

0.114

0.002

0.236

 d 10 to 20 lactation

−1.37b

−0.78a

−0.98ab

−1.05ab

0.32

0.031

0.624

0.006

 d 1 to 20 lactation

−1.07

−0.83

−0.72

−0.58

0.12

0.065

0.005

0.612

Average daily feed intake, kg

 d 1 to 10 lactation

3.92

4.14

4.50

4.63

0.28

0.301

0.003

0.790

 d 10 to 20 lactation

5.45

5.23

6.05

6.13

0.17

0.697

 < 0.001

0.380

 d 1 to 20 lactation

4.68

4.69

5.28

5.43

0.18

0.590

 < 0.001

0.649

  1. a,bMeans within a row lacking a common superscript letter differ (P < 0.05)
  2. 1Data are least square means of 15 to 21 observations per treatment
  3. 2P-values were calculated for the main effects of diet (D) and parity (P) and the interaction between diet and parity (D × P)