Usually between six months and a year old, but sometimes later.
Usually between six months and a year old.
Usually between six months and a year old, but it is different for each dog.
Six To seven months
Most dogs go into a estrous cycle within about 6 monthes of age some up to about 14 monthes of age. Dog's estrous cycle usually lasts three weeks, meaning she can get pregnant in that timeframe Dogs go into heat about 2 times a year, some up to 4 times a year
About 8 months old
Female dogs can get pregnant as soon as they have their first heat. But, breeding them on their first or even second heat IS NOT recommended. When a female can come into heat depends on the dog and size. Small dogs can come into heat rather quickly while large dogs can take up to a year or more.
Usually between six months and a year old, but it is different for each dog.
On her next heat.
The absence of heat signs in your 4-year-old dog could be due to several reasons including underlying health issues, pregnancy, or a delayed heat cycle. It is best to consult with a veterinarian to determine the cause and ensure your dog's well-being.
You don't. If the dog is old enough she'll come into heat on her own (unless she's spayed- then she won't no matter what).
how do I know if my female dog is in heat?
after it's first heat. somewhere around 1 1/2 years old if the dog is healthy.