Notes on Labrador breeding:

1. The best time to breed a Labrador female dog is when the dog is about two years old, and the earliest The dog can only be bred when it is in heat for the second time, because at this time the various organs of the dog's body have been fully developed.

2. The best breeding time for Labrador male dogs is around one and a half years old. At this time, the dog’s sperm quality is relatively high and the activity is strong, making it more suitable for breeding.

3. Breeding can only be carried out during the ovulation period of the Labrador female dog. It does not mean that the female dog can be bred when she is in estrus. The female dog will only ovulate when the estrus is almost over and will it be allowed. The male dog climbs across.

4. Before breeding dogs, it is best to conduct a physical examination on both dogs to ensure that the dogs are healthy and free of infectious and genetic diseases.

5. When breeding dogs, choose a quiet environment and ensure the hygiene of the environment to prevent the dog from being infected with bacteria and affecting pregnancy.

6. In order to ensure that the dog is pregnant, it is best to mate once a day for 2-3 consecutive days, but do not mate too frequently.