Here is a complete list of all the small dog breeds

Scientists have matched one particular gene, called IGF1, to small body size in dogs. To see if this gene existed in the various gray wolf populations of the world, Gray and her colleagues compared the DNA sequences of various domestic dog breeds to gray wolves from Alaska, Yellowstone, Spain, China and Israel, among other places.

Tiny dogs are often stricken with tiny bladders. It’s not uncommon for small dog owners to have a preferred brand of .

That said, I totally understand the many comments about smaller dogs as we and they age. Our last dog was a shepherd mix, only around 55 lbs., who had neurologic weakness in her back legs progressively over her last year or so. I’m 41 and very athletic but we’re in a second-floor walkup apartment, and getting her up and down the stairs really did a number on my back. I actually ended up finding an amazing harness (the Help Em Up harness–Google it, a wonderful wonderful product) that made things soooo much easier–if we’d had it sooner I would have saved myself (and her) a lot of stress and grief. Our current dog is a 62-lb. houndy mix, but we’ll be out of the apartment long before she (or we!) age too much. Our house (currently our weekend place, hopefully soon to be full-time) is mostly one level, and I think for any future home I would prioritize avoiding stairs before I would ever prioritize a smaller dog.

Click on the link to read the breed's profile

Where did your small dog come from? Let’s take a look at the origins of some of the most popular small dogs: The older I get, the smaller my dogs have become. Right now I have three Havanese, and, despite what the AKC might say, they are quite popular in this household! I am also a member of breed rescue and will comment that surrenders of Havanese peaked during the recession and have slowly declined in the years since. There were five dogs surrendered 10 years ago, shortly after the organization was formed, that number grew to 150 at the peak of the recession.

The 25 Smallest Dog Breeds - American Kennel Club

Tiny mouths take tiny bites with tiny teeth. So small kibble size is another thing to keep in mind for your pet’s food – choose a formula made just for small dogs for their dental comfort.

Small Dogs | Small Dogs | Animal Planet