Colo. Rev. Stat. § 35-44-113
If the owners of any animals or livestock found abandoned or neglected, as provided for in section 35-44-112, are unknown to the state board of stock inspection commissioners, its officers, or agents, the notice required by section 35-44-112 shall be given by publishing the same as provided for in the case of animals or livestock taken up as estrays. If the owner is not found in ten days after the date of the first publication of the notice, the animals or livestock may be sold. The proceeds, after deducting all expenses of such care, provision, and sale, less a sum determined by the board by rule, for each animal sold, to be retained by the board, shall be credited to the estray fund of the board, subject to the provisions of the law controlling the distribution of the fund. The amount determined by the board retained for each animal sold shall be credited to the brand inspection fund, subject to the provisions of the law controlling the distribution of the brand inspection fund.
C.R.S. § 35-44-113
For the brand inspection fund, see § 35-41-102.