thank you both for your advice, ashes is overweight but lexie is skinny she is only 9ths old at that skinny stage still.
I notice her coat is a little greasy at the moment, so wonder if thats anything to do with it, the cold weather has not arrived in nz yet, so im not sure what to think. I did mention it to the vet about ashes she seemed not at all concerned, did not tell me to do anything about it, so i guess its not serious.