Thanks ive googled it for more info.

It seems it can be corrected with proper lighting and nutrition???? am i doing everything right?

He isnt swollen anywhere and his tail isnt kinked when he runs, ive only just got him eating greens, curly kale cabbage and cucumber what else can he have?

__________________
Tiggy, 13 yr old Collie x Alsation, Lucy 11 yr old epileptic cross breed, Kara, collie x whippet