high fever; weakness and reluctance to stand; vomiting; diarrhea, sometimes bloody; red- or blue-colored skin, particularly around the ears and snout; coughing and difficulty breathing; miscarriage, stillbirths, and weak litters.
高燒、虛弱,不想起身、嘔吐、腹瀉 (有時血便)、皮膚呈現紅色或藍色、尤其是耳朵和鼻子周圍、咳嗽、呼吸困難、流產、死產和弱胎。