Table 4.
Descriptive results for vigour parameters by passive immunity in 77 cow-calf pairs
Variable | Passive immunity | OR | P value | |
Mucous membrane
colour |
Inadequate*
(n=8) |
Adequate†
(n=69) |
||
Abnormal (n=11) | 5 | 6 | 17.5 | 0.001 |
Pink (n=66) | 3 | 63 | ||
Tongue withdrawal |
Inadequate*
(n=8) |
Adequate†
(n=67) |
||
Incomplete (n=15) | 4 | 11 | 5.1 | 0.05 |
Complete (n=60) | 4 | 56 | ||
Suckle reflex |
Inadequate*
(n=8) |
Adequate†
(n=69) |
||
Weak (n=14) | 4 | 10 | 5.9 | 0.03 |
Strong (n=63) | 4 | 59 |
*Inadequate passive immunity (serum Ig concentration <24 g/l).
†Adequate passive immunity (serum Ig concentration ≥24 g/l).