I have a kitten who is ten weeks old, been home two weeks. Settled brilliantly and has been eating great a mixture of whiskas and AVA wet/dry. The reason for the mix is that she was weaned on whiskas and I want to use a different food eventually. The last day/two she keeps getting poo on her legs and it looks like its because its slightly loose. She is otherwise perfectly well but hasn't seen a vet yet. Is this something to worry about and any ideas how to calm it down? Instinct would be to go back to 100 percent whiskas as it is less rich for now.