Skip to main content

Table 1 Comparison of litter performance between the normal litter (NORMAL) and large litter (LARGE) groups

From: Large litters have a detrimental impact on litter performance and postpartum maternal behaviour in primiparous sows

N

NORMAL

LARGE

SEM

P value

8

16

Piglet mortality (%)

    

 D11

1.3

4.0

1.0

< 0.01

  Crushing

1.1

2.5

0.8

0.053

  Other causes

0.2

1.5

0.1

0.013

 D72

1.9

7.2

1.5

0.103

 D282

2.9

7.7

1.5

0.137

Piglet body weight (kg)

    

 D11

1.7

1.4

0.1

0.033

 D72

3.0

2.6

0.1

0.037

 D282

7.6

7.3

0.2

0.338

  1. 1 The number of nursery piglets before cross-fostering in the NORMAL and LARGE groups was 11.4 ± 1.2 and 15.4 ± 0.4, respectively
  2. 2 Cross-fostering was performed within 48 h after the end of parturition, and the litter size was standardized to 12.6 ± 2.3 piglets per sow