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If not removed, the eggs are eventually ingested as the horse nuzzles its legs and can cause problems, even death, if the horse isn't given a wormer that kills bots.
These are now being sponsored by the animal health company Bayer, which makes a leading brand of dog wormer .
the grit contains a wormer
All the animals were treated with wormers , lice powder and antibiotics and had injections for lice infestation.
It would mean that anyone involved in rearing farm livestock or horses would no longer be able to purchase routine medical treatments such as antiseptics, vaccines and wormers without getting a vet to prescribe them.
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