Table 5.
Logistic and linear regression models for outcomes associated with passive immunity and ADG in 33 beef calves assisted at birth and medicated with subcutaneous meloxicam (Metacam, 20 mg/mL, 0.5 mg/kg BW, Boehringer Ingelheim, Ingelheim, Germany) or placebo (0.025 mL/kg)
| Odds ratio | P–value | |
|---|---|---|
| Failure to stand by 1 h | ||
| Medication group | ||
| Placebo | Referent | — |
| Meloxicam | 1 | 1.0 |
| Ranch | ||
| A | Referent | — |
| B | 13.2 | 0.003 |
| Failure to nurse by 1 h | ||
| Medication group | ||
| Placebo | Referent | — |
| Meloxicam | 0.7 | 1.0 |
| Failed transfer of passive immunity | ||
| Medication group | ||
| Placebo | Referent | — |
| Meloxicam | 0.2 | 0.36 |
| Route colostrum consumed | ||
| Nursed from cow | Referent | — |
| Tubed or esophageal fed | 13.6 | 0.01 |
| Coefficient (SE) | P-value | |
| Serum IgG, g/L | ||
| Medication group | ||
| Placebo | Referent | — |
| Meloxicam | 6.1 (4.4) | 0.176 |
| Calving difficulty | ||
| Easy | Referent | — |
| Difficult | −14.4 (4.6) | 0.004 |
| ADG to 7 to 10 d, kg | ||
| Medication group | ||
| Placebo | Referent | — |
| Meloxicam | 0.29 (0.1) | 0.05 |
| Ranch | ||
| A | Referent | — |
| B | 0.4 (0.2) | 0.01 |
| Serum IgG concentration, g/L | 0.01 (0.005) | 0.03 |
| ADG to weaning, kg | ||
| Medication group | ||
| Placebo | Referent | — |
| Meloxicam | 0.05 (0.05) | 0.3 |
| Ranch | ||
| A | Referent | — |
| B | −0.2 (0.06) | 0.003 |
| Treatment for disease | ||
| No | Referent | — |
| Yes | 0.5 (0.3) | 0.1 |
| Treatment for disease by Ranch interaction | −0.3 (0.1) | 0.04 |