Eraquell is a highly effective and safest horse worming treatment. It destroys and controls both immature and adult worms such as roundworms in the stomach and intestines, large strongyles, small strongyles (adults), hairworms, pinworms, ascarids, intestinal threadworms, large-mouth stomach worms, neck threadworms, lungworms, and stomach bots. It contains an active ingredient called Ivermectin. It eliminates various types of internal worms and bots. Eraquell is a highly palatable wormer which is safe to use for horses and the paste treats up to a body weight of 700kgs.
Ivermectin
At first I was a bit sceptical about using this paste form my pregnant horse but as mentioned here, it really is safe to use even for a pregnant horse.
powerful horse wormer, best buy at perfect rates
The process to administer this product is a bit complex but its taste is something that my horse finds it palatable.