Canine Pregnancy
Canine Pregnancy
How long is a dog pregnant for? Do female dogs experience menopause? What health benefits can be gained from spaying (ovariohysterectomy) surgery? Learn the answers to these questions and more in this FAQ.
Dog Diseases
Canine Veterinary Diseases and Conditions - Organized by body system.
Canine Estrus Cycle
Non-spayed female dogs will go into "heat" or estrus usually twice a year. The age at which they start their cycles and the duration of the cycle varies greatly between the breeds of dogs and individual dogs. Learn more facts about canine estrus in this FAQ.