Horses and/or ponies for riding purposes in connection with a single-family residential use where such use is the principal use of the property, and the horse and/or pony is owned by a member of the family occupying such single-family dwelling unit. The following ratio of the number of horses and/or ponies per acre of land shall be met: for the first horse and/or pony, at least three acres; for each additional horse and/or pony, one acre. The keeping of such animals shall be subject to and in accordance with the provisions of Chapter 126, Article II, Large Animals. In the event a conflict exists between the terms of the foregoing and the provisions of Chapter 126, Article II, the more restrictive provision shall prevail.