Small-tailed Han sheep are excellent sheep breeds for both flesh and wool use in China, and their provenances are mainly distributed in Liangshan, Dongping and surrounding cities and counties. It is praised by the industry experts as a super sheep breed, “Chinese National Treasure†and “World Wonderâ€. It has the characteristics of strong adaptability, rough feeding, large body shape, early maturation, high lamb production, and high feeding efficiency (a net income of 1500-2500 yuan per year for a female sheep). At present, most of the domestic cities, counties and North America, Western Europe, Central Asia, Australia and some other countries have introduced breeding and feedback is good. The gastric lavage and fertilizer control technology (which can also be borrowed flexibly for other cloven-hoofed animals) was successfully tested by the farmer farm in Liangshan County, Shandong Province in the past ten years. It is convenient, practical, and saves money. It is very beneficial to small tail Han sheep. The growth and production of lambs, production of good lambs, reduce feed, epidemic prevention costs, increase the profitability of farming. First, gastric lavage technology. In the rearing of small tailed sheep, they will ingest contaminated materials and drink in turbid water, causing parasites, diarrhea or other diseases, affecting normal growth and even death. Therefore, gastric lavage at regular intervals (usually in January) will help prevent the occurrence of various diseases and are suitable for long periods of time. The method is to feed small tailed sheep with enough salt. Each time a sheep can eat about 0.2 kilograms, more than 0.4 kilograms more than the amount of food intake and weight are positively correlated. After 2-3 hours of physiological thirst after stopping, drink plenty of gastric lavage water (ie cool water). In the application of gastric lavage techniques, the following points should be noted: (1) Foraging time should be selected in the morning when fasting. (2) Do not use sick sheep to prevent injury to the stomach. (3) The amount of gastric lavage water must be sufficient. Each adult sheep should be no less than 10 kilograms, and there should be little remaining after drinking. Can also be sprinkled with some wheat bran, corn flour and other concoctions to induce more drink. (4) In more than a hundred experiments in many places across the country, some subjects were saved. Dissolving salt in the water for gastric lavage resulted in unstable test results and should not be promoted. (5) 15-20 minutes after drinking water, chase sheep to slaughter activities, promote its increase in excretion, accelerate blood circulation, wash up the body's "turbidity", "cleanse" the internal environment, in order to achieve the purpose of driving pests and diseases. Second, control fertilizer technology. For the small-tailed Han sheep (female), the function of the reproductive system should be maintained in order to be able to reproduce quickly, multiply and multiply. Over-fatigue, because of its too much muscle, often squeeze the fallopian tube, affect the egg discharge, pregnancy and implantation; too thin the uterus is small, inadequate storage, impede fetal development, the formation of teratogenic, stillbirth, reduce the reproductive rate. Therefore, it is necessary to moderate the fat and control the fat. The method is: after 45 days of ewes lamb, fast fattening for 15 days, after the sharp reduction of concentrate, a sudden increase in coarse material, drink plenty of water, reduce nutrition. According to the law of "recurring and multiplying" of living creatures, the ewe's reproductive system will become active, and it will be able to send heat early, breed early and increase the rate of pregnancy and pregnancy. When applying fertilizer control technology, attention should be paid to the following points: (1) Control fertilizer should be in spring, summer and autumn. The implementation of winter has hindered the growth of the ewes, and the efficiency of breeding in the following year. (2) Diseases, disabled and weak sheep are not suitable for controlling fertilizers. (3) Do not control the fertilizer for too long. Usually the ewes can be estrus in one week. If you do not have heat, you can control the fat after 10 days of fattening. (4) The method of fertilizer control is slightly different in different regions. Grazing areas such as the northeast and northwest can properly increase the amount of concentrate and reduce the amount of exercise. In North China, East China, and other regions, and livestock and pasturing areas, it can be reared on the basis of fine and coarse materials (half of nutrients). Central China, South China and other areas, can increase the amount of coarse material, and increase the amount of ewes exercise. China Agricultural Network Editor
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