| Life span | 6-13 yr |
| Gestation | 30-32 days |
| Ages of weaning | 4-6 wk |
| Age of puberty | Small breeds 4-5 mo |
| Large breeds 5-8 mo | |
| Age of recommended neutering | Castration >3 mo, spay >5 mo |
| Temperature (rectal) | 37.8°-39.4° F (100°–103° F) |
| Heart rate | 130-325 beats/min |
| Respiratory rate | 32-60 |
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