Table 3.
Influence of PN supplementation in the diet of sows from d 85 to 114 of gestation on reproductive performance.
| Item | Groups (n = 20) |
P-value | |
|---|---|---|---|
| CON group | PN group | ||
| Daily feed intake per sow, kg | 2.12 ± 0.07 | 2.18 ± 0.08 | 0.60 |
| Reproductive performance | |||
| FARPLA, h | 4.66 ± 0.44 | 4.55 ± 0.29 | 0.83 |
| Total born | 11.16 ± 0.37 | 11.15 ± 0.39 | 0.99 |
| Born alive | 9.74 ± 0.29 | 10.00 ± 0.33 | 0.56 |
| Birth mortality1, % | 7.35 ± 1.63 | 3.01 ± 1.12 | 0.03 |
| IUGR rate2, % | 2.62 ± 1.12 | 3.28 ± 1.11 | 0.68 |
| Birth litter weight, kg | 15.26 ± 0.64 | 16.99 ± 0.71 | 0.08 |
| Birth weight, kg | 1.40 ± 0.03 | 1.53 ± 0.04 | 0.02 |
PN = pyrimidine nucleoside; FARPLA = duration of farrowing and placenta expulsion of sows; IUGR = intrauterine growth restriction.
1
Birth mortality (%) = (total litter size – alive)/total × 100.
2
IUGR rate (%) = the number of IUGR/total × 100.