Across
- 2. vaccination is an example of this type of immunity
- 4. antibodies from one livestock, injected into another
- 6. active immunity takes this number of weeks to build up
- 7. the percentage of body weight a calf should ideally receive
Down
- 1. colostrum is this type of immunity
- 3. number of litres of colostrum that ideally should be fed to a calf
- 5. a second or subsequent injection of a vaccine
- 6. instead of natural suckling of the cow, a calf could receive colostrum by this method