It sounds like a local issue as smokey said. The one I go to is always open except when they are cleaning the cages. It is nearly always unstaffed and anyone, children included, can walk in any time and stick their hands in cage after cage. I've sternly requested anyone I've seen move from one cage to another to please use the hand cleanser first, and they've always complied - the British accent can make me sound imperious when I want