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Ag science. Preswex
Weights and dates, animal production
| Term | Definition |
|---|---|
| 3 months, 3 weeks, 3 days | Pig gestation |
| 11 | Average pig litter |
| 21 days | Oestrus cycle,pig and cow |
| 24 degrees Celsius | Weaner house temp. |
| 20 degrees Celsius | Farrow and dry sow house temp. |
| 22 degrees Celsius | Fattener house temp. |
| 30 degrees Celsius | Bonham creep temp. |
| 1 -1.5kg | Birth weight bonham |
| 9kg | 1st Weaner weight |
| 32kg | 2nd Weaner weight |
| 82kg | Finished weight of pig |
| 1.75:1 | FCR weaner |
| 3.25:1 | FCR fattener |
| 17 days | Oestrus cycle sheep |
| 147 days or 5 months | Gestation sheep |
| 3.5 kg | Lambs birth weight |
| 34-40kg | Lambs slaughter weight |
| 305days | Dairy cow lactation |
| 283 days | Gestation cow |
| 2months | Dry period dairy cow |
| 365 days | Calving interval |
| 30-50kg | Birthweight calf |
| 100kg | 2year beef, first summer |
| 200kg | 2year beef, first winter |
| 280kg | 2year beef 2nd summer |
| 460kg | 2year beef, 2nd winter |
| 550kg | 2year beef, slaughter |
| 3.0-3.25 | BCS cow at calving |
| 3 | BCS cow at mating |
| 300kg | Mating weight replacement heifer |
| 36 hours | Length of oestrus sheep |
| 2-18hours | Oestrus length (standing heat) cow |