Passive immunity can be beneficial in certain situations. Which of the following scenarios best exemplifies the use of passive immunity?

Which vaccines should be given to breeding sows and gilts 5- and 2-weeks pre-farrowing, and what is the purpose of this timing?

In the case of a horse that had its last tetanus vaccination over 6 months ago, what is the recommended action if the horse sustains a penetrating injury or requires surgery?

When should pet pigs receive the rabies vaccine, and what additional considerations should be taken into account?

Some pharmaceuticals have potential dangers of labor induction. These include Corticosteroids, organophosphates and prostaglandins.

The Animal Medicinal Drug Use Clarification Act of 1994 provided for extra label use of drugs with the caveats including establishing a long withdrawal period and treating all animals throughout the herd.

When and why should pre-weaning vaccinations be administered to calves to optimize their immune response?

Which type of vaccine generally produces a higher level of immunity but may have a degree of risk when given to pregnant or highly stressed cattle?

How often should bulls be vaccinated for IBR, BVD, PI-3, BRSV, and leptospirosis, and what is the rationale behind this frequency?

Which vaccines are recommended for pre-breeding vaccination in beef cows and heifers, and what is the rationale behind the timing of these vaccinations?