How to raise Bohr goats? How do Bohr goats breed? Boer goats are a goat breed native to South Africa, which is large, fast-growing, fertile and lamb-producing. In addition, it also has the advantages of high slaughter rate, more meat production, tender meat, good palatability, tolerance to rough feeding, and strong adaptability. The following is an introduction to how to raise Boer goats? How do Bohr goats breed?
How to raise Bohr goats?
Boer goats are suitable for diversified breeding management, today we will talk about the shed feeding Boer goat technology, in the agricultural area of the sheep industry can be house feeding, some with seasonal grazing or "pastoral" sheep farms and household breeding sheep have special sheep houses and sports fields, and there is no sink and food trough, breeding should pay attention to the following points.
(1) It is necessary to feed regularly, quantitatively, qualitatively, and on time, so that the sheep form a conditioned reflex, which is conducive to digestion and absorption, and the amount of feed should be determined according to different sheep. To be able to eat enough and not to waste, to ensure the quality of the feed of the variety of colors, conditional to be customized according to the feeding standards with the diet, breeding personnel should also be relatively fixed.
(2) Forage, feed, and drinking water should be kept clean, not fed moldy and deteriorated feed, forage can not bring water, and it is good to drink warm water in winter.
(3) Keep the sheep house clean and dry, so as to achieve the effect of warm in winter and cool in summer, and the feces in the house should be cleaned every day.
(4) It is necessary to prevent epidemics twice in spring and autumn and to deworm regularly.
(5) Do a good job in the daily hygiene and disinfection of sheep farms, and sheep manure should be used after accumulation and fermentation.
(6) Increase the amount of exercise of sheep and maintain the hygiene of sheep. Only a good breeding management method can get an effective profit for the Boer goat, and the date of the lamb's release is determined according to the weight of the sheep.
How do Bohr goats breed?
I. Sexual maturity and physical maturity (initial age)
Goats grow and develop to a certain age, the reproductive organs have basically developed completely, with the ability to reproduce, this period is called sexual maturity. It is that the ram begins to have normal sexual behavior, and the ewe begins to have normal estrus and release eggs. Sheep do not have the ability to reproduce until they are sexually mature. However, sexual maturity does not mean that breeding can be, this period of goats for 3 to 5 months old, rams have not yet reached physical maturity, if early breeding, on the one hand hinders its own growth and development, on the other hand, low fertility, seriously affect the physique and production performance of offspring.
After the sheep is sexually mature, the normal development of the sheep itself is still continuing, and after a period of time, it can reach physical maturity and have the form and structure that an adult sheep should have. The effect of fattening is good. Generally in 5 to 8 months of age to reach the body maturity, as a good breed of offspring of the Boer goat and the local sheep hybrid generation, sexual maturity and body maturity are very late, about 6 months of age sexual behavior, body maturity in about 10 months of age, for this reason in the sheep body maturity should be timely, timely breeding, in order to improve the productivity of sheep and the economic benefits of sheep raising.
2. Estrus and estrus cycle
When the ewe reaches the age of sexual heat, the ovaries have periodic ovulation, with each ovulation, the reproductive organs have also undergone a series of cyclical changes, cycle after cycle, until the sexual decline, we usually call the initial stage of the ewe sexual behavior called estrus, the time between 2 ovulations, the complex physiological process of the entire body and reproductive organs, called the estrus cycle, the goat's estrus cycle is 18 to 21 days, an average of 20 days. According to the physiological changes in the estrus of the ewe, the estrous cycle is divided into:
1. The corpus luteum in the ovaries in the pre-estrus period atrophises, the new follicles begin to develop, but they are still small, and the ewe has no sexual desire at this time. Vaginal examination, the cervical opening is not fully opened, there is almost no discharge.
2. The estrus period (estrus period) is also a major period for the timely breeding of ewe estrus identification. The ewe begins to have a strong sexual arousal, and the follicles on the ovaries develop faster until they mature and ovulate. Vaginal examination: swelling of the labia, hyperemia and flushing, intensification of glandular secretion, fully open opening of the cervical opening, full of mucus, clear and bright in color, and discharged from the vagina. At this time, the ewe is extremely excited, emotionally disturbed, constantly mooing, climbing the wall, climbing the door or standing constantly swinging its tail, the hand pressed the hip swing tail is more fierce, the grass and drinking water rumination is significantly reduced, like to approach the ram, accept to climb across, but also climb across other sheep. In short, the estrus identification performance of the ewe can be summarized into four sentences: loss of appetite and cheerfulness, ram crawling and moving, calling for a pendulum tail vulvar red, secreting mucus thin and sticky. The above performance with the release of eggs, from weak to strong, from strong to weak, at this time the sperm ointmentist should grasp the period, timely and timely breeding. Goat estrus lasts about 40 hours, and the time from estrus to mating is 12 to 36 hours.
3. In the later stage of estrus, the corpus luteum in the follicle after ovulation begins to form, and a series of changes in the genital tract during estrus gradually disappear, return to their original state, and the sexual desire is significantly reduced. Vaginal examination: the cervical opening is constricted, and the surrounding mucus is yellow and small.
4. After the period of recess (also known as the inter-love period), after the estrus period and the period before the arrival of the next period, the ewe has a normal mental state.
In addition, most of the local goats find their first postpartum love 20 to 40 days after childbirth, and the goats with fast uterine body recovery can be mated after 20 days, generally after the moon.
3. Pregnancy
The gestation period of sheep is 147 to 153 days, an average of 150 days, under normal circumstances, after the ewe breeds and becomes pregnant, the appetite increases, the increase in fat is faster, it is relatively docile, and the vulva is dry and contracted after 1 month. The due date is then calculated so that the lambing preparations are made in advance.