It's sometimes hard to tell if you are getting your money's worth from your calf vaccines unless things go terribly wrong. And when calves get sick, often it is the vaccine that gets the blame. But in reality there are a number of steps between the vaccine in the bottle and animal immunity where things can go wrong. A vaccine program is designed to prevent large disease outbreaks Enhance the chance for vaccine success by following these tips.


  • First you must follow all label instructions for administering vaccines.
  • Maintain proper sanitary conditions to minimize the damaging effects of pathogens on both the animal
    and on the equipment.
  • Genetic selection is an important factor in immunity as the genetic make up of cattle has a significant affect on an animal's ability to respond to vaccines.
  • Proper nutrition is also important to immune response. Nutritional deficiencies in energy, protein, vitamins and trace minerals all play a role in maintaining the immune system.
  • Controlling any other outside stress factors is also important. One factor that should be kept in check is internal and external parasites. Stress from hauling, weaning and nutritional changes can have a cumulative effect.