Table 3.
Health events for cows throughout the experiment.
| Variable | Treatmenta % (n/n) |
Total % (n/n) |
|||
|---|---|---|---|---|---|
| CON | MET | CHO | MIX | ||
| Retained placenta | 2.78 (2/72) | 2.78 (2/72) | 4.17 (3/72) | 0 (0/0) | 9.72 (7/72) |
| Displaced abomasum | 0 (0/0) | 0 (0/0) | 5.56 (4/72) | 1.39 (1/72) | 6.94 (5/72) |
| Ketosis | 4.17 (3/72) | 4.17 (3/72) | 4.17 (3/72) | 1.39 (1/72) | 13.89 (10/72) |
| Hypocalcemia (milk fever) | 0 (0/0) | 0 (0/0) | 0 (0/0) | 1.39 (1/72) | 1.39 (1/72) |
| Mastitis | 0 (0/0) | 2.78 (2/72) | 1.39 (1/72) | 0 (0/0) | 4.17 (3/72) |
| Hoof problems | 1.39 (1/72) | 4.17 (3/72) | 1.39 (1/72) | 0 (0/0) | 6.94 (5/72) |
| Feverb | 6.94 (5/72) | 11.11 (8/72) | 9.72 (7/72) | 13.89 (10/72) | 41.67 (30/72) |
a
Treatment: CON: control, n = 16; MET: methionine, n = 20; CHO: choline, n = 17; MIX: methionine and choline, n = 19.
b
Temperature of 39.5°C or greater on d 4, 7, 10, 13, 15, 17, or 30.