| Production Schedules | ||||||
| 4-week weaning | 3-week weaning | |||||
| Week | Event | Sows | Week | Event | Sows | |
| 1 | Breed | Gestation | 1 | Breed | Gestation | |
| 2 | Gestation | 2 | Gestation | |||
| 3 | Gestation | 3 | Gestation | |||
| 4 | Preg check by ultrasound | Gestation | 4 | Preg check by ultrasound | Gestation | |
| 5 | Gestation | 5 | Gestation | |||
| 6 | Gestation | 6 | Gestation | |||
| 7 | Gestation | 7 | Gestation | |||
| 8 | Gestation | 8 | Gestation | |||
| 9 | Gestation | 9 | Gestation | |||
| 10 | Gestation | 10 | Gestation | |||
| 11 | Gestation | 11 | Gestation | |||
| 12 | Gestation | 12 | Gestation | |||
| 13 | Gestation | 13 | Gestation | |||
| 14 | Gestation | 14 | Gestation | |||
| 15 | Gestation | 15 | Gestation | |||
| 16 | Farrow | Clean barn;sows | 16 | Farrow | Clean barn;sows | |
| 17 | Lactation | 17 | Lactation | |||
| 18 | Lactation | 18 | Lactation | |||
| 19 | Lactation | 19 | Lactation | |||
| 20 | Lactation | 20 | return-to-estrus | 6 days | ||
| 21 | return-to-estrus | 5 days | 1 | Breed | ||
| 1 | Breed | |||||
| Gestation days | 114 | Gestation days | 114 | |||
| Lactation days | 28 | Lactation days | 21 | |||
| return-to-estrus | 5 | return-to-estrus | 5 | |||
| non-productive days | 10 | non-productive days | 10 | |||
| Total days | 157 | Total days | 150 | |||
| Cycles per year | 2.32 | Cycles per year | 2.43 | |||