All riding schools and stables shall comply with the minimum standards of this Section. All animals shall be provided with daily food and water which shall be wholesome, palatable and of sufficient quantity and nutritional value to meet the normal daily requirements for the condition and size of the animal. The food shall be free of any contamination. All horses, ponies, donkeys, mules, and other livestock shall have an enclosure with at least three (3) solid walls and a solid roof. All buildings and sheds used for the stabling of animals shall be well lighted and ventilated and provide protection from extremes of weather. All buildings and sheds used for stabling animals shall be kept clean and in good repair at all times and manure shall be removed therefrom daily. Stacked manure piles shall not be allowed to stand for a period in excess of four (4) days except when conditions of ice and/or snow prohibit its removal, and in all instances must be kept at least fifty (50) feet from a building or shed housing animals. Any enclosure where animals are kept shall be graded and drained to prevent pooling of water. No garbage, fecal matter, or other similar matter shall be placed or allowed to remain in any stable or enclosure. No open drain is permitted to run through any stable or enclosure. The owner and operator of the stable shall be responsible for taking steps to suppress internal parasites, flies, and other insects attracted to the stable site.