Many of the answers in knowledge competitions are numerical. Some students have found this chart useful in keeping them straight. Please note that in most competitions, the rules state that if the answer is a range, a number within a range should be given. Therefore, our chart lists safe numbers from within these ranges, where applicable.
| length of gestation in days | 340 |
| length of estrus cycle in days | 21 |
| number of teeth in a foal | 24 |
| number of teeth in a stallion | 40 |
| number of teeth in a mare | 36 |
| average respiration rate | 12 |
| average capillary refill rate in seconds | 1 - 2 |
| average pulse rate | 36 |
| number of cervical vertebrae | 7 |
| number of thoracic vertebrae | 18 |
| number of lumbar vertebrae | 6 |
| number of sacral vertebrae | 5 |
| number of coccygeal vertebrae | 20 (18-21) |
| number of pairs of ribs | 18 |
| number of pairs of false ribs | 10 |
| number of pairs of true ribs | 8 |
| number of chromosomes in the horse | 64 |
| average equine temperature (F) | 100.5 |
| total number of toes possessed by Eohippus | 14 |
| number of segments in the sternum | 8 |
| number of quarts held by the large intestine | 80 |
| number of quarts held by the small intestine | 48 |
| number of quarts held by the stomach | 8-17 |
| length of the alimentary canal in feet | 100 |
| length of the esophagus in inches | 60 |
| length of the cecum in feet | 4 |
| feet in a furlong | 660 |
| yards in a furlong | 220 |
| number of Triple Crown winners (U.S. 3 yr old TB) | 11 |