When does a Golden Retriever go into heat? Introduction to the time when a Golden Retriever goes into heat

Introduction to the time when golden retrievers are in heat:
Golden retriever puppies generally reach sexual maturity when they are 6 months old, at which time they will show symptoms of estrus. It is best not to breed Golden Retrievers at this time, because most Golden Retrievers mature sexually first and their bodies are not fully developed yet. Mating and breeding at this time is unhealthy for the Golden Retrievers.
Generally speaking, a golden retriever’s reproductive organs will mature and its body will be fully developed after 8-12 months. That is to say, when the golden retriever is in heat for the second time, normal mating and breeding can be carried out. Of course, due to various reasons, golden retrievers also come into estrus late. However, some golden retrievers have not yet come into heat for the first time when they are 18-20 months old, so they should find a veterinarian to diagnose and examine the dog.
Golden retriever female dogs come into estrus once each year from March to May in spring and September to November in autumn. The reproductive tract epithelium of golden retrievers in estrus begins to proliferate, the vulva is congested, the vulva is swollen, flushed, wet and lubricated, secretions increase, and bloody viscous fluid will flow out of the vulva. During the climax of estrus, the female dog will allow the male dog approaching her to mount and mate, and the number of matings will be more than once. But after the female dog's estrus period, her body will gradually return to calmness, and the male dog will no longer be allowed to come close to mate.
The estrus period of golden retrievers generally lasts for 6-14 days. In addition to obvious physical changes, the temperament of golden retrievers in estrus will also change. They will become anxious and restless, and often sneak out outdoors to look for the opposite sex. mate and then mate. They also urinate everywhere in the house and bark constantly to attract the attention of the opposite sex. These symptoms will gradually disappear until the Golden Retriever enters estrus, and will show up again when the Golden Retriever is in estrus next time.
Male golden retriever dogs have irregular estrus, which is because they become excited after smelling the smell of a female dog in estrus, and then become extremely commotion, do not think about food, do not eat, and are restless. When they see a female dog, they will sniff her tail and will Following the scent, they look for female dogs in heat everywhere, and some of them disobey their owners and often jump forward.
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