No more than two (2) hoofed animals per acre, including, but not limited to, cattle, horses, swine and sheep shall be raised or kept at any one time;

No more than twenty (20) small fowl per acre, including, but not limited to, chickens and turkeys, shall be raised or kept at any one time;

No livestock pens shall be located closer than one hundred feet (100') to any property line, watercourse or acequia;

No application to develop land within the ARO zone shall be approved unless a site development plan, containing the elements required in section 16.20.080 of this title, is approved by the commission prior to the issuance of any building, grading or other permit authorizing disturbance of the land.