Research Progress on Feed Application of Cotton Straw in Ruminant Production
With the development of animal husbandry in China,the lack of roughage supply has become one of the important factors affecting the development of cattle and sheep industry.As one of the agricultural by-prod-ucts,cotton straw is rich in nutrients,some of which can be absorbed and utilized by cattle and sheep.The feed utilization of cotton straw resources has important practical significance to alleviate the shortage of forage for ruminants in the main cotton producing areas.China's cotton straw resources are relatively rich,but be-cause of its hard texture,poor palatability,difficult to process and other reasons,the forage utilization in pro-duction is mainly used for grazing for a long time,and the actual utilization rate is low.With the rapid develop-ment of modern animal husbandry and the continuous progress of forage processing and utilization technology,the application of diversified pretreatment technology has improved the feed quality of cotton straw,greatly in-creased the feed utilization efficiency,and effectively promoted the feed utilization process of cotton straw.In this paper,the nutrient content and feed characteristics of cotton straw were summarized,and the feed safety,processing methods and application of cotton straw in ruminant production were reviewed,so as to provide ref-erence for the scientific application of cotton straw in ruminant diets.[Chinese Journal of Animal Nutrition,2024,36(5):2761-2772]
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