It is the duty of the state board of stock inspection commissioners to designate a livestock newspaper, of general circulation among the cattle and horse owners of the state, as the official state livestock paper, wherein all estray notices and advertisements of estrays may be legally made. In case of a change being made in the selection of such paper, the paper then publishing these notices shall publish a notice of said change for at least thirty days.
C.R.S. § 35-44-109
For additional provisions concerning the state livestock paper, see §§ 35-43-113 and 35-50-109.