your quite correct , i had used this product after a top fancier was using it i wasent clued up on the vet at that time and ordered it through a well known flyer with other stuff and i did quite well with it still have a wee drop left , i bought it as a quick pre breeding treatment as wasent going to the vets at that time , however i still have some bought for an emergency probably need throwing away must be out of date as not needed to treat