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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 |