1. Variety characteristics: 1 Large body, adult ram weight 83.58 kilograms, 45.21 kilograms of adult ewes. 2 The performance of meat production was good. The average daily weight gain of sheep aged 8 months was 214.33 grams, the slaughter rate was 50.98%, and the carcass weight was 24.3 kg. 3 The amount of shearing is much. The average shearing volume of adult rams was 6.49 kilograms, and that of adult ewes was 3.96 kilograms. 4 long wool length. Adult rams are 17.19 cm, and adult ewes have an average of 14.56 cm. 5 good precocity. When the maternal lamb was born at the age of 10 months and weighed 30 kilograms, it could be used for breeding. 6 The economic benefits of raising sheep are high, and raising a sheep year can increase income by 80-130 yuan. 2. Liangshan semi-fine wool sheep management points: 1 feeding methods, all day grazing, half housekeeping. 2 Collective rearing, large groups of about 100 grazing, small groups of farmers grazing 30--50, 3 grazing time: summer and autumn season, grazing for 10 hours a day, winter and spring season, grazing for 6-8 hours a day, after returning Hay and fine material. 4 Group management, grazing by sex, age (rabbits, adult sheep), and group groups, especially adult ewes and rams cannot be grazing. 5 pay attention to drinking water hygiene, do not let the sheep drink sewage, to prevent bacteria immersed in the body. 6 During the lambing season, the ewes to be slaughtered must be raised separately and cannot be far away. 3. Breeding and improvement of semi-fine wool technical points: 1 ram should choose to be born in the twin lamb, and a large body, long wool, a large amount of shearing, well-developed individuals. Townships, villages, and farmers who develop semi-fine wool sheep are forbidden to use land rams for breeding. One year after the general use of the ram, farmers exchanged blood to prevent the degradation of their close relatives. 2 The mating age, the first mating age of the ewes is the age of the first year, and the age of the rams to the age of 1.5 is the best mating age. In the mating season, the mating time of the ewes in the ewes is appropriate from May to September. It is better to produce winter lambs than spring lambs. 4 breeding methods. Artificial insemination and natural mating, in the absence of artificial insemination techniques, it is best to use artificially assisted breeding methods, that is, breeding rams individually, artificial breeding of the sheep, and prohibiting the male and female sheep mixed group free mating. 5 breeding time, usually in the afternoon estrus breeding, estrus in the evening the second morning breeding, after the first breeding, according to the estrus observed whether to collapse nest, so that the next time the immediate remedial match. 4. Epidemic prevention and control technology points: The diseases that endanger the health of Liangshan semi-fine wool sheep are mainly internal and external parasitic diseases and sheep epidemic disease, sheep lice, sheep enterocytosis and lamb dysentery. Therefore, the sheep triple vaccine and medicinal bath are injected regularly every spring and autumn. The endoparasites use anti-creep sensitivity, levamisole, nitrochlorophenol, and benzothiazole. The ectoparasites are mainly used for ectoparasitosis, and the insecticidal migraine is formulated as an aqueous solution to give the goat a medicinal bath. Lamb dysentery can be prevented by taking three consecutive days of oxytetracycline tablets and sulfamethoxazole.
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