Table 4.
BW of each animal class in the production system used in the model
| Dietary input* | ||||
|---|---|---|---|---|
| Peters | Current | |||
| Item | PDPP | PDCP | CDPP | CDCP |
| BW, kg | ||||
| Mature cow | 544 | 571 | 544 | 571 |
| Bull | 907 | 907 | 907 | 907 |
| Weaned steer | 254 | 253 | 254 | 253 |
| Weaned heifer | 238 | 240 | 238 | 240 |
| Heifer at breeding | 354 | 342 | 354 | 342 |
| Steer entering feedlot | 349 | 360 | 349 | 360 |
| Heifer entering feedlot | 316 | 326 | 316 | 326 |
| Finished steer | 603 | 649 | 603 | 649 |
| Finished heifer | 530 | 588 | 530 | 588 |
PDPP = previous model diets and production parameters; CDPP = current industry diet, previous model production parameters; PDCP = previous model diet, current industry production parameters; CDCP = current industry diets and production parameters.
*Peters: diets from Peters et al. (2014); Current: current diets fed in the industry.