What if you own only one horse? What then, should your parasite control programme look like?
If your horse lives on its own, and isn’t exposed to other horses a lot, and rarely travels off the property, “there is going to be very limited parasite infection exposure,” says parasitologist Martin Nielsen.
“The parasites will only be coming from that very horse, and in many adult horses we find very low parasite egg counts anyway.
“Many of those horses may only need a single treatment or a couple of drenches in a year in order to keep our bases covered.”
But it’s a different story if your horse lives at the likes of boarding property.
In that case, a control programme needs to be designed for the entire group of horses “not just your horse”, Nielsen says.
“You can only claim to have a parasite control programme in place if it is a coordinated one for the herd.
“We’re not really concerned with individual horses, what we want to gain control of is the parasite population.”
If the facility where you keep your horse doesn’t have a parasite control programme in place, now is a good time to ask about it.
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