Table 3.

Production and management parameters for scenarios evaluated

	Dietary input*
	Peters		Current
	PDPP	PDCP	CDPP	CDCP
Cow–Calf Parameters
Days on feed, d	365	365	365	365
Age of calf at weaning, d	207	207	207	207
Cows per bull	24	24	24	24
Calving rate, %	91.5	88.6	91.5	88.6
Calf mortality rate, %	3.6	4.0	3.6	4.0
Mortality rate, %	1.5	2.8	1.5	2.8
Cow culling rate, %	9.7	10.2	9.7	10.2
Calves sent direct to feedlot, %	0.0	22.8	0.0	22.8
Calves sent to stocker, %	100.0	77.2	100.0	77.2
Replacement heifers per cow	0.11	0.19	0.11	0.19
Stocker parameters
Days on feed, d	120	154	120	129
Mortality rate, %	0.5	1.5	0.5	1.5
Feedlot parameters
Days on feed, d	155	150	155	159
Mortality rate (heavyweight)†, %	1.5	1.3	1.5	1.3
Mortality rate (lightweight)†, %	1.5	2.0	1.5	2.0

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.

^†Heavyweight = calves placed weighing more than 272 kg; Lightweight = calves placed weighing less than 272 kg.