育肥猪,3月龄,口、鼻流白色泡沫,颈部发红肿胀,张口呼吸,常作犬坐姿势,急性死亡。剖检见颈部皮下呈胶冻状,肺脏水肿、出血.预防该病的措施是
A
暂无解析
()Pleasegive____acupoftea.
What'sthatman?
读等高线图(图中数据单位均为米),判断下列说法正确的是
_____isadoctor.Whatabout_____father?
“Hereyouare.”“_____(thank).”