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 |