Registration of how many days Labrador is in heat

If a Labrador is bred and produced for the first time, it is appropriate to breed it on the 11th-13th day of estrus, while for dogs that have been produced before, it is more accurate to breed it on 9-11 days of estrus. It is not recommended to breed a dog when it is in heat for the first time. At this time, the reproductive system is not fully developed. It is recommended to breed the dog after it is in heat for the second time and thereafter.
<img title="How many days of Labrador"s estrus and the best breeding period for Labrador (Figure 1)" src="/uploadfile/2024/1208/20241208182033305.jpg" alt="How many days of Labrador"s estrus and registration The best breeding period for Labradors">

How to breed Labradors

1. Human-assisted mating: Normally, male and female dogs are strictly separated and raised. During the optimal breeding period when the female dog is in estrus, good male dogs are selected and mated under human control. Afterwards, the male and female dogs will be separated from Qi.
   
2. Single-word breeding: On the second day after the female dog enters estrus, she should be bred once with a male dog, or artificially inseminated with the male dog’s semen. This means that she does not breed male dogs, and the breeding is subject to certain conditions. Secondary breeding.
   
3. Multiple breedings: During the optimal breeding period for a female dog in estrus, all dogs should be bred on the first day, and then once every 24 hours. One estrus period can be repeated 2-3 times.
   
4. Double breeding: During the estrus period of the female dog, use two male dogs of different breeds and breed them once 24 hours apart. This breeding method can increase the growth rate and increase the vitality of the offspring.
   <img title="How many days of Labrador"s estrus and the best breeding period for Labrador (Figure 2)" src="/uploadfile/2024/1208/20241208182036908.jpg" alt="How many days of Labrador"s estrus and registration The best breeding period for Labradors">

   Characteristics of Labrador pregnancy

5. One week after mating, the female dog’s vagina began to swell, and a small amount of brown liquid appeared to disappear, she lost her appetite, and her temperament also appeared relatively quiet.
   
6. At 2-3 weeks, the breasts begin to gradually enlarge, the appetite increases, the food is not criticized, and the food intake is significantly reduced. Their food intake reaches its peak in the middle and late stages of pregnancy and begins to decline near the time of delivery.
   
7. About one month into pregnancy, the female dog’s abdominal circumference will appear to be enlarged, her breasts will be sagging, and her nipples will be elastic. In addition, the palpation inspection method can also be used for pregnancy diagnosis and treatment, that is, the fetus can be felt by palpating both sides of the female dog's abdomen with your hands.
   

8. After pregnancy, the female dog’s abdominal circumference and breasts will increase, her body will become fatter, her coat will be smooth and shiny, her movements will be slow and calm, and her nature will become more gentle. When the female dog is close to her due date, she will be slightly anxious, like to be quiet, and is unwilling to be with other dogs, digging through the bedding and building nests in the nest. When the female dog is about to give birth, her appetite is significantly reduced or she doesn’t eat.They eat and don't drink water. They dig up bits of grass in the nest to build a nest and lie in it without moving.
   

   Original text location: https://www.petmh.com/dog/raise/109739.html

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