Table 2.
Day | Operation |
---|---|
Day 0 | Wean |
Bodyweight recording | |
Crush score | |
Flight time testing | |
Vaccinate with Ultravac 7in1 clostridial vaccine | |
Collect blood sample | |
Day 3 or 4 (standardized within herd cohort) | Bodyweight recording (where possible) |
Day 141 (dependent on vaccination history, standardized within herd cohort) | Collect blood sample |
Conduct skin test | |
Bodyweight recording (where possible) | |
Day 162 (dependent on vaccination history, standardized within herd cohort) | Collect blood sample |
Measure response to skin test | |
Bodyweight recording |
1For calves having received no clostridial vaccinations or both a primary and boost clostridial vaccination prior to testing, activities listed for day 14 were conducted on day 19 or day 8, respectively.
2For calves having received no clostridial vaccinations or both a primary and boost clostridial vaccination prior to testing, activities listed for day 16 were conducted on day 21 or day 10, respectively.