This type of deworming treatment alternative that can be used in place of synthetic anthelmintics. This product should not be confused with copper sulfate, which can cause sheep to suffer from copper toxicity. COWP can be purchased as a bovine copper supplement in large doses (12.5-25 grams). For use with sheep, the product must be repackaged into .5-1 gram boluses for lambs and 1-2 gram boluses for ewes. Consult your vet before using this type of dewormer.