How long is the estrus period of a Labrador Retriever? The first time a Labrador Retriever goes into estrus is about 6-8 months after birth; it goes into estrus twice a year as an adult, in spring and autumn, from March to May, and from September to November. Once each time; each time Labrador is in estrus, it lasts about 7-15 days, with an average of 9 days. It is best to put on physiological pants for Labrador during estrus.

Generally, Labrador retrievers will go into heat for the first time when they are 6-8 months old. Healthy adult Labradors will go into heat twice a year. Most of them will go into heat once in spring from March to May, and once in autumn. It can come into estrus again from September to November. If pregnancy is not successful during a breeding season, the female will have to wait for the next estrus before mating.

The interval between one estrus and the next for a Labrador Retriever is 3.5-13 months. The interval range varies depending on the breed and individual dog. The main symptoms of estrus are restlessness, barking, vaginal swelling, red mucus with blood, and like to be close to male dogs, etc.

The duration of each estrus of a Labrador female dog is generally 7 to 15 days, with an average of 9 days. Affected by their own physical constitution and growth environment, the length of each Labrador's estrus period will be different.

When a Labrador dog is in heat, the owner should pay more attention to supplementing the nutrition of the Labrador dog. The dog can be fed vegetables and meat to supplement nutrition, such as lettuce, tomatoes, cabbage, carrots, chicken and other foods. Also, when the Labrador is in estrus, the Labrador’s vulva should be cleaned with warm water every day, keep it clean and dry, and then put on physiological pants to prevent bacterial infection.