Research Progress on Characteristics of Oat Hay Supplementary Feeding on Tibetan Sheep in Cold Season

Lack of forage and lower nutrient level are limiting factors for Tibetan sheep production in cold season.It is imperative to improve the productivity of both alpine grassland and Tibetan sheep.In the light of research progress on oat hay supplementary feeding on Tibetan sheep in cold season,the authors reviewed the urgency of supplementary feeding,oat hay production and the research status,the effect of oat hay supplementary feeding on digestibility,reproduction,productive and meat quality in Tibetan sheep.Furthermore,we put forward some suggestions for the shortcomings of oat hay supplementary feeding on feeding value,supplementary feeding regime and the popularity of cold season supplementary feeding technology,in order to provide a reference for further research.