Table 3 The impact of cloprostenol sodium and carbetocin on the performance of multiparous sows

Total number of sows

72

120

147

Number of sows excluded

0

10

7 + 26

Number of experimental sows

72

110

114

Parity

3.6 ± 0.19

3.4 ± 0.15

3.2 ± 0.15

Gestation length, day

114.0 ± 0.10

114.2 ± 0.08

114.0 ± 0.08

Farrowing duration, min

192.6 ± 6.61^a

177.9 ± 5.35^a

156.3 ± 5.25^b

Birth interval, min

13.0 ± 0.51^a

11.9 ± 0.42 ^ab

10.9 ± 0.41^b

Total born

15.4 ± 0.37

15.4 ± 0.30

14.6 ± 0.29

Alive born

13.3 ± 0.35

13.1 ± 0.29

12.5 ± 0.28

Stillborn piglets, %

7.8 ± 0.89

7.2 ± 0.72

6.1 ± 0.70

Mummified fetues, %

5.4 ± 1.03

7.9 ± 0.83

8.0 ± 0.82

Birth assistance, %

8.3

9.1

8.7