Mastitisinsheepandgoatsisimportantbecauseitcanreduceproductivityoftheanimalsandfarmprofitability.
乳腺炎可降低绵羊和山羊的生产能力和羊场的盈利能力，因而需格外重视。
Mastitisisanimportantdiseaseofsheepandgoatsbecauseitdecreasestheamountandqualityofthemilkproducedbyadairyanimalandreducesweightgaininlambsandmeatkids.Itcanalsoaffecttheanimalswell-being.乳腺炎是绵羊和山羊中非常重要的一种疾病，其不但可降低奶羊的产奶量和质量，导致奶羔羊和肉羔羊的增重下降，而且会影响到动物的健康。
Mastitisisaninflammationofudder.Physicalinjury,stress,orbacteriacancausemastitis.ThereareseveralbacteriawhichareknowntocausemastitisinsheepandgoatsincludingStreptococcussp.,Staphylococcussp.,Pasteurellasp.,andcoliforms,suchasE.coli.Theexacttypeofbacteriathatiscausingthemastitiscanonlybedeterminedbylaboratoryanalysis.乳腺炎即乳房发炎。身体受伤、应激或细菌都能导致乳腺炎。现已知包括链球菌、葡萄球菌、巴斯德菌和大肠杆菌等多种细菌均可导致山羊和绵羊患乳腺炎，但只有通过实验室分析才能具体确定是哪种细菌引起的乳腺炎。
Mastitiscaneitherbeclinicalorsubclinical.Clotsorseruminthemilkaresignsofclinicalmastitis.Inadditiontheuddermaybe