Mannan widely exists in soybean meal,palm kernel meal,sesame meal and other plant feeds, which will increase the viscosity of chyme in digestive tract and reduce the digestibility of nutrients in diet.βmannanase can hydrolyze mannan into mannose unit,which can supplement the deficiency of endogenous digestive enzymes and eliminate and degrade anti-nutritional factors in feed raw materials,thus improving feed conversion and utilization efficiency and animal growth performance.In this paper,the enzymatic characteristics of β-mannanase and its a...
