When Labrador male dogs are in estrus

There is a big difference between male dogs and female dogs. Male dogs do not have the problem of estrus. As long as the male dog’s genitals are fully developed, he can mate. Yes, there is no fixed estrus time. The male dog is sexually mature when he is about one year old. After he is sexually mature, he can mate with the female dog at any time. When the female dog reaches the season of estrus and mating, the sexually mature male dog can mate at any time. Able to mate.