These AAEP guidelines will help you make decisions on your foals immunizations.
By Dr. Thomas R. Lenz for The American Quarter Horse Journal
Click Guide to see full size. This foal vaccination guide can also be found by going to AAEP.org.
In 2010 the American
Association of Equine Practitioners revised its vaccination
recommendations and expanded the list of core vaccinations that should be
administered to every horse in the United States regardless of location
or occupation. The core vaccines now include Eastern and Western Encephalitis, tetanus,
West Nile virus and rabies.
There is also a list of “risk-based” vaccines that can be given
to horses that may be exposed to these diseases, either because of their
occupation or the part of the country in which they live. Those include Potomac horse fever, equine influenza
(flu), equine herpes virus 1 &4, and strangles. Respiratory diseases like
these are especially dangerous for traveling horses and should be vaccinated
against. Your equine veterinarian is your best source of information on
risk-based vaccines for your horse.
Can you spot the signs of Potomac
horse fever? Do you know how this devastating disease is contracted? Be
prepared with AQHA’s FREE Potomac Horse Fever Report. Download and
print it out today!
Schedule A (see table) is for foals whose
mothers received a vaccine booster four to six
weeks prior to foaling. Her high level of colostrum serves to protect the foal
for several months, but could also block any vaccine given too early after
birth. Schedule B, which can be found by going to
is for foals whose mothers were not boostered prior
and, as a result, their colostrum may contain lower levels of antibodies; these
will need to be vaccinated at an earlier age.
In addition, research has determined that foals require a series of three
vaccinations to provide adequate protection against disease. Also, because
there are different types of vaccine on the market for West
Nile virus, influenza and strangles,
keep in mind that their vaccination schedules will vary depending on the type
of vaccine used.
Potomac horse fever is an insect-borne equine disease most
contagious in late-summers across North America.
If left untreated, this fever can cause laminitis, abortion in mares, or send a
horse into shock and ultimately death. Learn more by downloading AQHA’s FREE Potomac Horse Fever Report.
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ADULT VACCINATION SCHEDULE