In the process of continuous social development, the technology of raising livestock has also been scientifically developed. The traditional methods of animal husbandry have also undergone major changes. From the traditional breeding to the market-oriented short-term fattening and grazing Tibetan sheep, This will provide more economical livestock products to the market, so that better economic benefits can be obtained. However, there are several important factors in the process of grazing Tibetan sheep in the alpine region that directly affect the nutritional level and quality of the shepherd. The following are important factors for expert analysis.
Internal factor
1.1 variety factors
The grazing sheep in the alpine region are themselves in a relatively cold climate. At this time, the Tibetan sheep itself needs to have a relatively strong constitution and cold tolerance. However, due to various regional factors, the Tibetan sheep themselves have different types. And the varieties, and the growth laws of different breeds of Tibetan sheep are also quite different. For the high-prototype Tibetan sheep, the body is longer in a rectangular shape, and the adult ram has a body weight of about 50.8 kg. The sheep is about 38.5kg; the valley-type Tibetan sheep have a smaller body and shorter limbs. The adult ram weighs only 36.79kg and the ewes are 29.69kg. Therefore, one of the important factors affecting the growth and fattening of grazing Tibetan sheep in alpine regions lies in the choice of varieties.
1.2 Gender factors
There is also a significant difference in the growth and development between the public and the Tibetan sheep. In general, the growth rate of the mother sheep is slower than that of the public sheep. If the Tibetan sheep are to be fattened, It is best to use the male lamb as the first choice, because the fattening effect of the public sheep of 5 months to 15 months is the most significant compared with other Tibetan sheep. The fattening of the sheep can promote the growth of the lamb to 10 in the current year. 11 months or so. To this end, gender is also one of the more important factors for grazing Tibetan sheep in the alpine region.
1.3 age factors
In addition to the above two points, the factors affecting the growth and fattening of grazing Tibetan sheep in the alpine region also include the age. Tibetan sheep are generally bred from about one and a half to two years later, after these two growth and development. After the stage, the lambs that are in the lactation period will also grow rapidly. In the process of growing and fattening Tibetan sheep, the nutritional status of the Tibetan sheep itself will have a more significant impact. If the grazing conditions are better before the 8 months of age, the nutrition is also sufficient, and the daily weight gain can reach 100g. The fattening effect will also be significantly better than that of Tibetan sheep of other ages. Therefore, the age factor is also one of the most important factors affecting the growth and fattening of grazing Tibetan sheep in alpine regions.
2. External factors
2.1 Market factors
There are many ethnic minorities in Qinghai Province, and the mutton is more loved. Therefore, in the current mutton market situation, the phenomenon of mutton supply is more demanding, and the price of mutton is higher, and the fattening effect is higher. Ideally, not only can it effectively meet market demand, but it can also have certain economic benefits. To this end, in the alpine region, grazing Tibetan sheep also need to be market-oriented for analysis in order to maximize economic returns.
2.2 Environmental factors
The natural ecological environment has a significant impact on the growth and fattening of grazing sheep in alpine regions. If not enough attention is paid to this factor, the effect of grazing Tibetan sheep on fattening and fertilization will be directly reduced. For example, the appropriate temperature is suitable for promoting Tibetan The growth and development of sheep not only has a relatively good effect, but also can reduce the feed intake to a certain extent, and thus can save cost; on the contrary, if the growth and fattening is carried out by increasing the feed intake at a low temperature, not only will the feed be reduced. The digestive effect will also increase the cost of feeding. Specifically, it is the most suitable temperature in May-November, and it is also a key period for the growth and development of Tibetan sheep. Selecting this period for Tibetan sheep fattening has a significant effect.
2.3 Disease control factors
When grazing Tibetan sheep, whether it is using any kind of method for fattening, the work of epidemic disease control is more important. Only by implementing relevant disease control measures can we effectively prevent the impact caused by the sudden occurrence of the disease and loss. To this end, in the process of grazing Tibetan sheep growing and fattening, it is necessary to do a good job of vaccination, regular deworming, etc., so as to effectively avoid the impact of diseases such as diseases and infections on the growth and fattening of grazing Tibetan sheep in alpine regions. The effect of fattening.
2.4 Management factors
The grazing of Tibetan sheep in alpine areas mainly relies on the way of grazing forage all year round. However, long-term grazing may cause serious degradation of grassland, which is not only harmful to the healthy growth of Tibetan sheep, but also affects ecological health. . To this end, in the process of fattening Tibetan sheep, specific forage and management must be carried out according to the actual situation, and the Tibetan sheep should be properly raised while ensuring sufficient forage. For example, some places with better pastures can be selected as the grazing address. And it can't be grazing for too long, you can change the place after grazing for about 2 months, so you can avoid the adverse effects caused by grazing. In addition, in the selection of fattening methods, grazing can be combined with the method of supplementing nitrogen-containing pellets, which can achieve a better fattening effect.
3. Conclusion
In summary, this paper mainly analyzes several important factors affecting the growth and fattening of grazing Tibetan sheep in alpine regions, and to ensure the effect of Tibetan sheep's growth and fattening, it must be mentioned in the literature during the breeding process. These factors are comprehensively considered to ensure the healthy growth and development of Tibetan sheep.
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