维生素C缺乏症也叫坏血病,由动物体内抗坏血酸不足或缺乏引起,导致毛细血管壁通透性增大,而引起的一种出血性疾病。此病在20世纪90年代为一种常发病,由于养殖技术的提高,此病的发病率显著下降,以至于较为少见。近年来,随着我国奶牛养殖模式的变化,日粮中饲料的多样性受到一定限制,但产奶量大幅提升,导致奶牛维生素C缺乏症发病率呈上升趋势,尤其是犊牛维生素C缺乏症的发病率显著提升,造成的损失增大。本文针对犊牛维生素C缺乏症的发病原因、症状、诊断、预防作了研究分析,希望对该病诊治有所启示。

Vitamin C deficiency,also known as scurvy,caused by ascorbic acid deficiency in animals,which leads to increased permeability of the capillary walls. It's a hemorrhagic disease,which was a common occurrence in the 1990s. Thanks to improved farming techniques,the incidence of the disease has dropped significantly,so much as that it becomes less common. In recent years, with the change of dairy farming mode in China,he diversity of feed in the diet is limited to some extent,but milk production increased dramatically,leading to a growing trend of vitamin C deficiency in dairy cows.The calf vitamin C deficiency increased significantly,resulting in greater losses.In this paper,the causes,symptoms,diagnosis and prevention of vitamin C deficiency in calves were studied and analyzed,hoping to provide some enlightenment for the diagnosis and treatment of this disease.