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Table 5 Multivariable model for total born piglets in the next farrowing including DN/SN, year and parity with random sow effect, during the period 2013–2016 (N = 2,039)

From: The effect of double nursing, an alternative nursing strategy for the hyper-prolific sow herd, on herd performance

Factor

Category

Coefficient

95%CI

Count

Previous nursing type

SN

reference

 

1,791

DN

−0.97

−1.39 – −0.53

248

Year of previous weaning

2013

0.31

−0.07 – 0.69

638

2014

0.43

0.11– 0.75

784

2015

reference

 

617

Previous parity

2

0.11

−0.42– 0.65

442

3

0.56

0.03 –1.09

424

4

0.81

0.28–1.34

378

5

0.71

0.17–1.24

325

6

0.64

0.11–1.18

283

7

reference

 

187