Table 3 Reproductive performances of SPF and CV WZSP sows
From: Establishment of a special pathogen free Chinese Wuzhishan Minipigs Colony
Reproductive performances | Candidate sows(n = 8) | SPF colony(n = 14) | Outbred colony(n = 45) |
|---|---|---|---|
Total litter sizes | 7.63 ± 1.30 | 6.46 ± 1.98 | 6.35 ± 1.53 |
Survival numbers at birth | 6.88 ± 1.55* | 5.46 ± 1.94 | 6.23 ± 1.53 |
Survival numbers at weaning | 6.13 ± 1.13 | 5.31 ± 1.75 | 5.45 ± 1.95 |
Estrus cycle | - | 21.22 ± 0.88 | 21.16 ± 0.75 |
Estrus duration | - | 3.98 ± 0.42 | 4.18 ± 0.31 |
Gestation period | - | 113.55 ± 2.50 | 113.0 ± 2.33 |