Section 8 Table of Contents
Table 1.8-7
Table 1.8-7. Animal units of various species and classes of livestock.
| Beef Cattle |
| Livestock |
Animal units |
- Animal units for lactating cows are difficult to determine because of supplemental feeding.
|
| 1,000-lb dry cow |
1.0 |
| 1,300-lb dry cow |
1.3 |
| 1,000-lb lactating cow (first 4 months after calving) |
1.4 |
| 1,300-lb lactating cow (first 4 months after calving) |
1.6 |
| 2,000-lb mature bull |
1.7 |
| 550-lb growing-finishing heifer (1.0 lb/day gain) |
1.0 |
| 550-lb growing-finishing steer (2.0 lb/day gain) |
1.23 |
| Sheep |
| 110-lb brood ewe |
0.15 |
| 132-lb brood ewe |
0.17 |
| 154-lb brood ewe |
0.18 |
| 175-lb brood ewe |
0.20 |
| 300-lb mature ram |
0.40 |
| 110- to 132-lb replacement ewe, lambs, and yearlings |
0.22 |
| 220-lb replacement ram, lambs, and yearlings |
0.42 |
| Dairy¹ |
| 1,000-lb dairy cow (maintenance) |
1.0 |
| 800-lb dairy cow (last 2 months of gestation) |
1.0 |
| 1,000-lb dairy cow (last 2 months of gestation) |
1.2 |
| 1,300-lb dairy cow (last 2 months of gestation) |
1.5 |
| 1,500-lb mature dairy bull |
1.4 |
| 2,000-lb mature dairy bull |
1.9 |
| 550-lb growing dairy heifer |
1.0 |
