poo eating

Ruby4

So ruby has for the last week or so started to eat her poo.. if im not in the room when she poos its gone only the smell left.She is 11 weeks now due another injection in a week up to date with worming etc....is this normal and how can i stop this?

BulliesofNC

Check out this discussion:  http://www.bulliesofnc.com/BTforum/discussion/1827/yuck#Item_22

Ruby4

Thank you will do now