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Discussion on Combo Vaccines for Ponies
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Member:
indigo
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Posted on Friday, Dec 28, 2012 - 4:07 pm:
I have a small herd of Shetland Ponies (300-400 lbs each) that I need to vaccinate. I bought a vial of EWT+WNV (combo) specifically to vaccinate these ponies, but a friend who raises minis says that it is not a good idea to use combo shots on small equines. I have never heard this before, so would appreciate some advice.
Thank you!
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Moderator:
DrO
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Posted on Sunday, Dec 30, 2012 - 6:31 pm:
Hello CCT,
I know of no reason why giving the combination vaccine would have more risk or be less protective than giving 3 separate (tetanus, E/W encephalitis, WNV) injections. Indeed it may be less irritating as you are not giving as much adjuvant which can be responsible for local and systemic reactions.
DrO
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Member:
indigo
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Posted on Sunday, Dec 30, 2012 - 7:18 pm:
Hi Dr. O,
Thanks for the answer. The reasoning I was given for not giving combo shots to ponies is that it "overloads their system" or is "too much for their immune system." Seemed unlikely to me, but since I am new to ponies I thought I should check!
CC
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Member:
frances
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Posted on Monday, Dec 31, 2012 - 7:27 am:
Correct me if I'm wrong, but I think CCT meant giving the three separate injections on three different occasions, probably a few weeks apart.
Surely that would be easier on a horse.
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Moderator:
DrO
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Posted on Friday, Jan 4, 2013 - 8:44 pm:
Hello LL,
In horses with local reactions (swelling stiffness) I will often separate the injections that are not combined and pretreat as recommended in our article on vaccine reactions. However I do not break down the combination vaccines into its individual components and give together or separately as this just would increase exposure to the irritating adjuvant.
DrO
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