Table 3.
Total number of cases (percentages of total number diagnosed sick) for lameness and per lameness and BRD diagnoses, collected from 28 feedlots by season of placement and season of treatment (N = 92,156 treated cases)
| Variable | Season of placement | Season of treatment | ||||
|---|---|---|---|---|---|---|
| Winter/spring | Summer/fall | Winter | Spring | Summer | Fall | |
| Total lame | 7,681 (40.1) | 22,074 (30.2) | 5,605 (29.0) | 13,230 (63.7) | 3,399 (51.7) | 7,521 (16.5) |
| Foot rot | 6,488 (33.9) | 15,691 (21.5) | 3,444 (17.8) | 12,341 (59.4) | 2,949 (44.8) | 3,445 (7.6) |
| Injury | 228 (1.2) | 710 (1.0) | 260 (1.3) | 203 (1.0) | 113 (1.7) | 362 (0.8) |
| Joint | 842 (4.4) | 3,977 (5.4) | 1,550 (8.0) | 616 (3.0) | 285 (4.3) | 2,368 (5.2) |
| Lame—no swelling | 123 (0.6) | 1,696 (2.3) | 351 (1.8) | 70 (0.3) | 52 (0.8) | 1,346 (3.0) |
| BRD | 6,481 (33.8) | 35,274 (48.3) | 7,683 (39.8) | 3,540 (17.0) | 1,022 (15.5) | 29,960 (65.9) |
| Total diagnosed | 19,150 | 73,006 | 19,326 | 20,770 | 6,579 | 45,481 |