Table 1 Characteristics of Holstein pre-weaned dairy calves from a zinc supplementation clinical trial randomly selected for fecal sample collection and analysis.
Characteristic | Zinc sulfate (n = 28) | Placebo (n = 39) | Total (n = 67) | p-value* |
|---|---|---|---|---|
Sex | ||||
Bull | 14/28 (50%) | 23/39 (59.0%) | 37/67 (55.2%) | 0.62 |
Heifer | 14/28 (50%) | 16/39 (41.0%) | 30/67 (44.8%) | |
Attitude score | ||||
1 (Bright, alert, readily stood w/stimulation) | 16/28 (57.1%) | 31/39 (79.5%) | 47/67 (70.1%) | 0.06 |
2 (Quiet, alert, and stood only with moderate stimulation) | 12/28 (42.9%) | 8/39 (20.5%) | 20/67 (29.9%) | |
Fecal score | ||||
1 (Solid) | 21/28 (75%) | 31/39 (79.5%) | 52/67 (77.6%) | 0.89 |
2 (Semi-formed/loose) | 1/28 (3.6%) | 2/39 (5.1%) | 3/67 (4.5%) | |
NS = None seen | 6/28 (21.4%) | 6/39 (15.4%) | 12/67 (17.9%) | |
Age at enrollment | ||||
1 day | 7/28 (25%) | 9/28 (32.1%) | 16/67 (23.9%) | 1.00 |
2 days | 21/28 (75%) | 30/39 (76.9%) | 51/67 (76.1%) | |
