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. 2021 Sep 20;5(4):txab144. doi: 10.1093/tas/txab144

Table 1.

Key data input metrics for Brazilian cow-calf operations

Data input Mato Grosso Mato Grosso do Sul
Cows
Breed Nelore Nelore
Mature weight, kg 420 450
Pregnancy rate, % 73.2 85.6
Calving rate, % 71.3 76.5
Weaning rate, % 68.4 72.7
Calving interval, d 514 479
Cow:bull ratio 30:1 30:1
Age at culling, mo 96.0 96.0
Mortality/culling rate, % 12.5 12.5
Stocking rate, head/ha 0.74 0.74
Diet ingredients Pasture, minerals Pasture, minerals
Replacement heifers
Age at first calving, mo 42 38
Weight at first calving, kg 300 320
Mortality rate, % 12.5 12.5
Stocking rate, head/ha 0.74 0.74
Mature bulls
Breed Nelore Nelore
Mature weight, kg 800 780
Age at culling, mo 84 96
Mortality/culling rate, % 12.5 12.5
Stocking rate, head/ha 0.74 0.74
Preweaned calves
Calf birthweight, kg 31 35
Newborn mortality rate, % 4 5
Preweaned calf mortality, % 2 1
Age at weaning, d 240 240
Weight at weaning, kg 180 180
Stocking rate, head/ha 0.74 0.74
Weaned calves
Mortality rate, % 1.4 2.5
Stocking rate, head/ha 0.74 0.74
Diet ingredients Pasture, urea, corn, minerals Pasture, urea, corn, minerals
Infrastructure
Manure management Spread on fields Spread on fields
Truck fuel efficiency (km/liter) 2.5 2.5
Transport distance for bought-in feed, km 300 140
Transport distance for bought-in fertilizer, km 300 280