(I) Breeding season 貉 It is a seasonal breeding animal. Only during the breeding season can estrus, mating ejaculation, ovulation, fertilization and other physiological processes occur. In the non-breeding season, testicular and ovary functional activities are at rest. The estrus season for quails is from the end of January to the beginning of April each year, and the peak period is from late February to early March. In the estrus season, the male prostitute has been in a state of libido; the mother has only one estrus cycle, about 10 to 12 days, and the duration of estrus is only 2 to 4 inches. Therefore, the female baboon only has estrus once a year. (B) sexual maturity and estrus Artificially reared quails are sexually mature from 8 to 10 months of age, and the male cubs are slightly earlier than the mother quail. As soon as possible, sexual maturity is affected by genetic factors. Nutritional status, chamber temperature, and individual effects. The wild crickets in nature are sexually mature from 9 to 10 months of age. After sexual maturation, the maternal nymphs undergo a series of synchronous changes in their reproductive organs. In late September of each year, the ovary ends in a non-reproductive phase and the follicular development begins. The follicles and eggs mature in the following year and February. When the estrus appeared. The entire estrus period lasts from February to early April, and the peak period is from late February to early March. If mating, the mother's mother's fetus enters gestation and lactation; the mother's mother is returned to stationary. During the breeding season, the external changes of the female estrus can be divided into four stages: pre-estrus, estrus, late estrus, and off-season. In the early stages of estrus, the genital organs of the mother's cockroach begin to change until the mother's cockroach accepts the mating time. This period is the shortest 4 days, usually 7 to 12 miles, and the longest is 25 days. In the first 2 to 5 days, the pubic hairs were separated, the vulva was obviously mixed, the vagina was slightly red, and the clitoris was round. After 2 to 3 days, the vulva is swollen and elastic, pink, wrinkles reduced, and secretions increased. At this time, the mother-in-law is docile and sometimes sends out a clear period of prosperity, which means that the mother-in-law continuously accepts the mating period, that is, the sexual desire is prosperous. This period generally 6 to 9 days, the mother-in-law spirit is extremely uneasy, constantly walking, appetite greatly reduced, frequent urine to seduce the opposite sex, repeatedly issued a spouse cry, you can even issue three or four "squeak" calls, or "哼哼"," "Hum" cry. At this point the vulva swollen, the labia valgus, was round or oval, there are slight wrinkles on both sides of the vulva, the mucous membrane is mostly dark red, dark red or light gray. Some of the mucous membranes appear edematous gray, the clitoris is obviously swollen, flushing, and yellow or milky thick secretions flow out from the yang gate for 2 to 4 days. Most mother-in-laws are very excited and actively approach the public princes. They tilt their tails to one side and wait for the male crickets to climb across the mate; some female crickets also sniff the male crickets to show their closeness. In this period, it is the mother's ovulation period that is the best time for mating. In the later stages of estrus, the period during which the external reproductive organs have gradually shrunk. At this time, the labia folds, the sexual desire drastically declines, has the hostility to the male bosom, not close to the male bosom, generally 2 to 3 days, individual up to 10 days, the congestive tract of the reproductive tract is reduced, the intervening space shrinks, restores the normal condition. During the off-season period, the period of rest, the mother-in-law sexual behavior disappeared, and the genital area shrank, returning to the normal state before the invitation. (III) Breeding The estruss of females have obvious differences due to different feeding and management methods, environmental conditions and individual differences. We must conscientiously do a good job in estrus identification, timely breeding, and increase fertility rate and farrowing rate. The identification of estrus in females is mainly based on external genitalia examinations, observations of sexual behaviors, and judgments about putting on trials. When the estrus begins to appear, the vulva begins to appear, gradually swells, valgus, and during the peak period of purging, the vulva is highly swollen and valgus, presenting a “10†or “Y†shape. The clitoris is exposed and the secretions are thick; when the estrus ends, Yangmen contraction, swelling, decreased secretions, dry mucous membranes. In terms of sexual behavior, when the mother-in-law begins to estrus, her movements are disturbed, her movements are faltering, her greed is subsided, her urination frequently occurs, and cage nets are commonly used to retract her genital organs. During the prosperous period of estrus, the spirit was extremely uneasy, appetite diminished or wasted, and hurried call for cry was continuously issued. In the late estrus period, various activities gradually became normal. Spiritual stability, recovery of appetite. When the trial was put in place, the mother-in-law at the beginning of her estrus played with the trial public money, but refused to climb. When the male lord climbed, the female cricket clamped his tail and went back to catch the male. Mothers with estrus in their estrus have strong sexual desires, standing on their hind legs, tilting their tails to wait for public climbing and mating. If male libido is not strong, mothers can even drill into public lords, or climb public gongs to stimulate the public.貉 mating. After the above identification, if the mother does not bite the male fleas, tilt the tail to one side, quietly wait for the male cricket to climb, this is the best time for the mating and breeding, should seize the opportunity to mate, so that timely breeding. After mating with females, 12 to 24 hours can be mixed to increase fertility rate. When the mate's estrus performance is about to end, it can also be used twice a day. To ensure the abortion of the network, a method of changing the public network may be adopted to perform double mating and multiple mating, that is, one maternal mating with two or more male ferrets until the female ferret refuses mating, so as to increase the reproduction rate. (d) Pregnancy After the male and female cockroaches are mated, the sperm and egg are combined and fertilized. Most mother-in-law's gestation period is 54-65 days, with an average of 60-62 persons and 1.76 days. After 10 to 12 days of pregnancy, the embryonic development gradually accelerated. At this time, the mother’s appetite increased and the feed intake increased, and her temperament became quiet and docile. From 25 to 30 days of pregnancy, the fetus may touch the size of the pigeon's egg in the mother's quarter. After 40 days, the female sacral part began to inflate, gradually sagged, and the dorsal ridge was sunken. The plush in the ankle was erected and formed a longitudinal crack, and the action was slow. To 50 to 55 days, the mother's pre-family plucking to do the nest, often deflated in the small room reluctant to come out to exercise, frequent urine, more convenient, excreted fecal strips short, often issued a call, refuse to eat and so on. (five) litter The collaterals are born early in March and are mostly concentrated from mid-April to mid-May, and later by mid-June. Most pregnancies are born in the nest at night or early in the morning. Most of the diet before eating or food waste 1 to 2 meals, delivery time of about 1 to 2 hours, the average litter size 6 to 8 (8 persons 2.13), up to 19. Aberdeen is released every 10 to 15 minutes. During the farrowing process, the mother's baboons drink frequently, and blood can be seen on the vulva. After the baby is released, the mother swiftly snaps the umbilical cord, eats the placenta and the placenta, and licks the body of Ouzi's body until it is finished. They will be breast-feeding at ease, and the youngsters will send out intermittent "sweeping ones". Aberdeen first birth weight 100 to 150 grams. After producing 1 to 2 hours of plush hair, Aberdeen crawls to find nipples and sucks milk approximately every 6 to 8 hours. After maternal calving, the maternal stronger network, no more than 1 to 3 days to eat, rest assured. At the age of 9 to 12 days, Aberdeen blinked; at the age of 16 to 16 days, the incisors and large teeth grew: At the age of 16 to 20 days, the abdomen gradually turned brown; at the age of 8 to 25 days, it began to eat; it took 50 to 60 days. When we are old, we can wean off the nest and live independently. Some infectious and noncommunicable diseases may occur. The control measures for canine fever, rabies, etc. are the same as those for canine dog warming and rabies control.
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