The governing body of any such municipality or county may establish a system of supervised recreation and it may, by resolution or ordinance, vest the power to provide, maintain and conduct playgrounds, recreation centers, zoos and other recreational activities and facilities in the school board, park board or other existing body or in a playground and recreation board as the governing body may determine. Such governing body or any board so designated shall have the power to maintain and equip playgrounds, recreation centers, zoos and buildings thereon, and it may, for the purpose of carrying out the provisions of this act N.M. Stat. Ann. § 5-4-1 to 5-4-9, employ play leaders, playground directors, supervisors, recreation superintendents, zoo directors or such other officers or employees as they deem proper; make such expenditures therefor as the board shall deem necessary or advisable, from any fund provided for by said municipality or county, said expenditures not to exceed the amount of such appropriation. Such governing body may determine by ordinance or resolution the method by which zoo animals shall be obtained, traded, loaned, borrowed or disposed of, notwithstanding the provisions of Section 4 [5-4-4 N.M. Stat. Ann.] of this act, or Sections 6-5-1 through 6-5-9, or Sections 14-47-1 through 14-47-12 NMSA 1953 [repealed].