Usually every six months and it lasts for around two weeks.
The number of times a year a dog goes into "heat" or estrus depends on the dog as an individual. The breed of the dog has no bearing on how often a female dog goes into "heat". ON average female dogs go into Estrus or "heat" twice a year
As with most dog breeds, Great Danes will go into heat approximately every 60 days throughout the spring and summer.
Should be the same as every other dog. Twice a year.
Every six months for two weeks on average.
Yes, when you spay your dog, she can no longer go into heat.
Male dogs can not go into heat.
A dog will go into heat approximately 4 to 6 months after having puppies, based approximately 6 months after her last heat cycle. When she goes into heat again will depend on how often she goes into heat per year. Most dogs go into heat twice per year, or every 6 months.
every 6 to 12 months unless fixed if fixed no more heat and maybe depending on breed age may diminish it
No but the dog can "think" it's i heat, it may go broken backed (humped even though it's fixed)
A female dog can be expected to go into heat again after about 6-8 months, but this can vary depending on the individual dog.
Yes, normally.
It is the same for every breed, but every dog is not the same. Most dogs go in to heat every 6-7 months, but it ranges from dog to dog.