A normal canine nipple will appear soft to the touch and have a subtle tip. The color can vary from light brown, but should be consistent across all nipples. Rarely, nipples may exhibit tiny variations in size or shape, which is considered acceptable. Note that nipples on adult female dogs are not always as pronounced as those on lactating females.

Spaying your canine companion is a significant decision with various effects. One common question pet owners have is why does my cat scratch the mirror whether spaying can affect their dog's activity level. While there's no definitive solution, some studies suggest that spaying may indeed lower canine hyperactivity in certain cases. It's important