How to determine the best mating period of bitches

Dogs are seasonal estrus animals and estrus occurs twice a year, in spring (May-May) and fall (September-November), respectively. It is of practical significance for the farmers to master the best breeding period of bitches. The method for determining the best breeding time for the female dog is as follows: Blood drop determination method: During estrus, the female dog is often dripping blood. From the first time she sees dripping blood in the estrus bitch, the first-breed female usually prefers breeding for the first time on the subsequent 11-13th day; the first breeding of the female on the next 9-11 days is more appropriate. Suitable. For each bitch whose age is increased by two years or every litter increased by four litters, the first breeding time should be one day in advance. In short, the best mating period for most bitches is 9-13 days after the bitch's vaccination. However, there are also a small number of miscarried females who have stopped dripping blood after 5 to 6 days of estrus after multiple births, and can be conceived by breeding within the next 1-2 days. Vulva determination method: If the exact date of the female dog's crushing blood cannot be grasped during bitch estrus, the optimal breeding period can be determined based on the color change of the vaginal secretions of the bitch and the degree of vulva swelling. The initial color of the vaginal secretions of the bitches is red, and the best breeding effect is 2-3 days after the color changes from red to straw yellow; when the estrus edema of the bitches of estrus is relieved and begins to soften, breeding is more appropriate. You can also use your hand to open the female dog's vulva to observe. When the vaginal mucous membrane changes from dark red to light red or pink, it is more appropriate to use the seed. Male dog test method: In the production process, there are a few bitches in the estrus period does not appear dripping blood of the cunt, but also some older bitches during the estrus vulva swelling is not obvious, the vulva secretions less. At this point, the male dog test method should be used to determine the best breeding period so as to prevent leakage. Generally, the bitch period is 2-3 days after the bitches are willing to accept the spanning of the dogs. In order to increase the litter size of the female dog and prevent the female dog from empty, the compound method should be used, ie, every 24 hours, 1 species should be bred and 2-3 times in order to ensure that the bitch is pregnant and the economic benefit of raising the dog can be improved.

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