That sounds like a really good training tip. Thank you! I've been wondering the same myself so that's good to know. I shall get cracking on that one. So far we've picked up an old sock, stones, a plastic doll's chair, an assortment of sticks, and copious amounts of chewing gum.. haha!!
In terms of puppies picking up stuff, I wouldn't get too freaked out. They're just puppies after all and they're immunity covers them for all sorts of potential problems. If you're scared of microbes and so on, that doesn't necessarily mean that he should be