There is no exact day that is ideal for every dog, but the average days that dogs can be bred while they are in heat are the ninth, eleventh and thirteenth days. The day that is ideal to breed will vary from dog to dog, ... More »

Although it depends on the specific dog, female dogs are usually the most fertile around the 11th day of estrus, and typically cycle twice a year, but exact times vary by breed and location. Male dogs are fertile all the... More »

The type of dog most commonly used in Frisbee-catching competitions is the border collie. While nearly any breed can be trained to catch a flying disc, the best are those bred for herding or chasing prey. More »

The frequency and length of time a dog goes into heat varies by breed, but is approximately twice a year for about 18 days. Although the heat lasts this long, the female dog is typically only open to mating for about nin... More »

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 »

The heat cycle of each individual dog and breed varies, but it typically lasts 21 to 28 days. A dog is generally fertile for 18 of those days. More »

Although it depends on the specific dog, female dogs are usually the most fertile around the 11th day of estrus, and typically cycle twice a year, but exact times vary by breed and location. Male dogs are fertile all the... More »