一九六四年以来,我场生猪陆续发生一种神经症状性疾病。发病主要为30—70斤的克郎猪,病程多呈慢性,一般为5—7天,只要治疗得法,很少死亡。初发病猪,喙触槽而不食,眼半闭,驱之不动不叫;有时停立几小时,有时无意识缓行转圈,遇阻时或伫立不动,或拼命欲越;有时猛然跌倒则抽搐不止,两眼圆瞪,咬牙吐白沫,四肢乱刨乱蹬,发嗬嗬 Since 1964, a series of neurological symptoms have been reported in our live pigs. The main incidence of 30-70 kg Klang pigs, the course of mostly chronic, usually 5-7 days, as long as the treatment is effective, rarely died. Initial onset of pigs, beaks touch the groove and not food, eyes half-closed, driving motionless; sometimes stopped for a few hours, and sometimes unconsciously slow turn, encounter resistance or standing still, or desperately fall; sometimes suddenly fall Twitch not only, his eyes round stare, teeth spit foam, limbs mess planing stirrup, hair 嗬 嗬