As a toxicologist, I have to say that I would not let any of my animals near round-up. There is a very high incidence of cancers (mostly bladder) from people who routinely use roundup such as golf course keepers and farmers. I wouldn't let my animals (or kids) near it. I wouldn't use it myself routinely (I guess I could justify it for poison ivy.) and I would wear gloves when I did apply it.