Male dogs usually reach estrus at 7-10 months. Male dogs do not have a fixed estrus period after they reach adulthood. They will go into estrus when the female dog comes into estrus. If breeding is needed, dogs can be mated around 1.5 to 2 years old. Because the male dog’s reproductive organs are not fully developed at this time. It is not good for the growth and development of dogs. Wait until the dog's body is fully mature before mating. The sperm count and activity will reach the highest level, and the probability of pregnancy will be higher. Symptoms of dogs in heat include becoming wild and domineering, peeing frequently, climbing on people's legs or toys, and having a tendency to fight.

What are the symptoms of male dogs in estrus:

1. During estrus, male dogs will urinate everywhere, and the smell will be heavier than usual, mainly to attract female dogs.

2. The personality of male dogs will change drastically during the estrus period. They will become wild and domineering, have a tendency to be aggressive, and are prone to fights.

3. Male dogs will climb astride during the estrus period.

4. Male dogs will lose their appetite during estrus.