First, it is necessary to pay attention to the growth environment: The climate, topography, vegetation, feeding methods, and feeding and management standards for introducing the origin of sheep are not much different from the local environment, so that they can adapt to the new environment as soon as possible and shorten domestication time. In addition, some new varieties cultivated or imported from abroad must carefully review the data and take opinions from all sides. If the local conditions are suitable for growth, it may be appropriate to introduce a small part of the trials. When the conditions are ripe, they will be introduced in large quantities. We must not rely on the blind introduction of advertisements and product introductions in order to avoid major economic losses. Second, we must pay attention to the introduced varieties: we must introduce new products that have been bred and have excellent production performance. We must not introduce inferior old breeds, and we must not introduce economically hybrid goat breeds. Because hybrid goats are not suitable for breeding, the introduced goats should be healthy. Good hair, good limbs, strong, well-balanced, well-behaved, bright eyes, no eyelids, pink conjunctiva, nostrils, and even breathing, exhaled gas without bad smell, wet nose, smooth hair, Compact and shiny. Urination is normal and the stool is brownish and slightly hard. The ewes require that the nipples are arranged neatly, have a long body, beautiful appearance, and are beautiful and have maternal characteristics. The rams required good testis development, no cryptorchidism or single testicles, loud calls, magnificent appearance, and male characteristics. Young goats have relatively strong adaptability, but they can't be too small. They are best for 1 to 2 years old. Third, pay attention to the introduction of the season: the winter water is cold and dry, lack of grass and less material, introduced sheep after bumps, on the one hand to restore physical fitness, adapt to the new environment. The other side has to face the harsh climate in winter and the survival rate of introduced sheep is very low. So winter is the introduction of taboos. In summer, it is hot and rainy. Relative humidity is high. Goats are afraid of heat and moisture. Summer grazing and transportation are prone to heat stroke, and summers are not recommended. The seasons that are most suitable for introduction are spring and autumn. These two seasons are characterized by warm climate, relatively small amount of rainfall, dry ground and abundant forage, and are most suitable for introduction. Fourth, we must pay attention to disease prevention and control: introduction before introduction of the first place to investigate the understanding of the epidemic situation, is strictly prohibited to the introduction of the affected area, the goat should be strictly quarantine, and "three certificates" (site quarantine certificate, transport quarantine certificate and vehicle sterilization certificate) complete. After the introduction of the species, it should be kept in isolation for two weeks. If there is no abnormality, it can be polycultured.
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