i just got my puppy Missy 8wks old last night,shes a border collie .we got her from a farm where she was sleeping with her brothers and some calves.shes got cow poo in her coat.is it to soon or is she to young to give her a bath and what shampoo do i use for her?

give her a couple of days to settle in then you can bath her i use johnsons baby shampoo