When Should You Vaccinate Your Puppy?

By March 10, 2015Pet Talk

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  • When should my puppy be vaccinated?
  • There are many diseases that are fatal to dogs.  Fortunately, we have the ability to prevent many of these by the use of very effective vaccines.  In order to be effective, these vaccines must be given as a series of injections.  Ideally, they are given at about 6-8, 12, and 16 weeks of age, but this schedule may vary somewhat depending on several factors.
  • The routine vaccination schedule will protect your puppy from six diseases:  distemper, hepatitis, leptospirosis, parainfluenza virus, parvovirus  and rabies.  The first five are included in one injection that is given at 6-8 (no lepto), 12, and 16 weeks old.  Rabies vaccine is given after 12 weeks of age.  There are two other optional vaccinations that are appropriate in certain situations.  Your puppy should receive a kennel cough vaccine if a trip to a boarding kennel is likely or if it will be placed in a puppy training class.  Lyme vaccine is given to dogs that are exposed to ticks because Lyme Disease is transmitted by ticks.  Please advise us of these needs on your next visit.
  • Why does my puppy need more than one vaccination?
  • When the puppy nurses its mother, it receives a temporary form of immunity through its mother’s milk.  This immunity is in the form of proteins called antibodies.  For about 24-48 hours after birth, the puppy’s intestine allows absorption of these antibodies directly into the blood stream.  This immunity is of benefit during the first few weeks of the puppy’s life, but, at some point, this immunity fails and the puppy must be able to make its own long-lasting immunity.  Vaccinations are used for this purpose.  As long as the mother’s antibodies are present, vaccinations do not have a chance to stimulate the puppy’s immune system.  The mother’s antibodies interfere by neutralizing the vaccine.
  • Many factors the level of immunity in the mother dog, how much antibody has been absorbed, and the number of vaccines given to the puppy.  Since we do not know when an individual puppy will lose the short-term immunity, we give a series of vaccinations.  We hope that at least two of these will fall in the window of time when the puppy has lost immunity from its mother but has not yet been exposed to disease.  A single vaccination, even if effective, is not likely to stimulate the long-term immunity which is so important.
  • Rabies vaccine is an exception to this, since one injection given at the proper time is enough to produce long-term immunity.

 

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