Table 2.
Final model estimates for preweaning morbidity and mortality events in a randomized trial of the effect of feeding a lacteal-derived colostrum replacer (CR) compared to pooled maternal colostrum (MC) in calves
| Outcome | Type of colostrum |
Number of calves |
β coefficient (SE) | P value | OR* (95% CI) | |
|---|---|---|---|---|---|---|
| At risk | Events | |||||
| Diarrhea |
Lacteal-derived CR |
295 |
47 |
-0.540 (0.212) |
0.011 |
0.58 (0.38 to 0.88) |
| |
Pooled MC |
273 |
67 |
Reference |
– |
|
| Respiratory disease |
Lacteal-derived CR |
295 |
63 |
0.007 (0.205) |
0.974 |
1.01 (0.67 to 1.51) |
| |
Pooled MC |
273 |
58 |
Reference |
– |
|
| Omphalitis |
Lacteal-derived CR |
295 |
1 |
-0.078 (1.417) |
0.956 |
0.93 (0.06 to 14.86) |
| |
Pooled MC |
273 |
1 |
Reference |
– |
|
| Treatment with antibiotics |
Lacteal-derived CR |
295 |
99 |
-0.410 (0.174) |
0.018 |
0.66 (0.47 to 0.93) |
| |
Pooled MC |
273 |
118 |
Reference |
– |
|
| Healthy calves** |
Lacteal-derived CR |
295 |
187 |
0.380 (0.171) |
0.027 |
1.46 (1.05 to 2.05) |
| Pooled MC | 273 | 148 | Reference | – | ||
* OR is the ratio of the odds of outcome in calves fed lacteal-derived CR to the odds of outcome in calves fed pooled maternal colostrum.
** Calves raised from birth to weaning without morbidity or treatment with antibiotics.