articles

Behavioral changes such as becoming clingy, overly affectionate, grumpy or more distant than normal are all signs a female dog is in heat. While this is broadly true of most female dogs, some show no behavioral changes w... More »

www.reference.com Pets & Animals Pets Dogs

Early signs that a dog may be in heat are a red discharge from the vulva, licking that is excessive, changes in behavior or appetite and an increase in temperature. The beginning phase of a dog’s heat cycle is called pro... More »

www.reference.com Pets & Animals Pets Dogs

Female dogs stay in heat, technically known as "estrus," for five to 13 days. The length varies between different breeds and individual dogs. Male dogs are attracted to female dogs for approximately 18 days. More »

www.reference.com Pets & Animals Pets Dogs
similar articles

Although the heat cycle varies from breed to breed and in individual dogs, the average time a female dog is attractive to male dogs (or in heat) is 18 days. Most females are attracted to males for less time than that. More »

www.reference.com Pets & Animals Pets Dogs

A female dog is called a bitch - even as a puppy. This term distinguishes female dogs from male dogs, the latter of which are called dogs, studs or sires. When a female dog is pregnant with a litter of puppies she is cal... More »

www.reference.com Pets & Animals Pets Dogs

The American Society for the Prevention of Cruelty to Animals states that a female dog is ready to breed during the estrus, or heat stage, which generally occurs between six and twenty-four months of age. Smaller breeds ... More »

www.reference.com Pets & Animals Pets Dogs

A female dog is bred for the first time during her second heat cycle or after, provided that she is no older than 12 years of age. A male dog is ready to breed by about 15 months of age. More »

www.reference.com Pets & Animals Pets Dogs