奶牛抗换料应激的研究

摘要

奶牛的换料应激对奶牛产业带来经济损失，通过从营养、育种改良、饲养管理以及饲料等方面去缓解应激，其中营养调控是减少换料应激的有效途径之一。在奶牛更换饲料出现应激情况下，通过营养调控，可以有效降低换料应激对奶牛产奶量的影响，保证牧场奶牛养殖的经济效益。%Stress of changing fodder frequently in dairy cow industry led to much loss of economic prof-its.To decrease the loss,many field can be considered,such as nutrition,breeding,improvement,breed-ing management and feeds,among which nutrition is one of the effective ways to reduce the stress of chan-ging fodder frequently because of nutrition regulation.In changing fodder frequently,the nutritional regu-lation can effectively reduce the effect of the above stress on dairy cow milk production,and ensure the e-conomic benefits of pasture dairy farming.