When a female ferret goes into heat, she will stay in heat until she is bred. This can be potentially life threatening to domestic ferret, which is why most female ferrets are sold spayed. If the female goes into heat and is not bred, then she will develop aplastic anemia.
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
when she goes in hea she gives off a special scent and the males no tat shes in heat so they come find the female when she goes in hea she gives off a special scent and the males no tat shes in heat so they come find the female