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Comparison of J5 vaccinates and controls leaving the herd because of CMa
| Reason for leaving the herd | No. of J5 vaccinates (%) | No. of controls (%) |
|---|---|---|
| Culled for mastitis | 1 (4)* | 5 (23)* |
| Culled for all reasons | 10 (44) | 14 (64) |
| Died from clinical mastitis | 1 (4) | 0 |
| Died from all causes | 2 (9) | 0 |
Data compare J5 vaccinate cows (n = 23/251) and control cows (n = 22/306), of the 45 cows selected for antibody testing that left the herd because of severe or mild CM. *, P = 0.096.
