Swerczek T W
J Reprod Fertil Suppl. 1979(27):361-5.
Contagious Equine Metritis (CEM) was initially reported during the 1977 breeding season in England (Crowhurst, 1977) and Ireland (Timoney, Ward & Kelly, 1977. The disease has also been diagnosed in France and Australia (Huges, Bryden & MacDonald, 1978). The first occurrence of CEM in the United States followed the importation or 2 stallions from France late in 1977 which resulted in an outbreak early in the 1978 breeding season (Swerczek, 1978). Mares usually develop clinical signs of CEM 8--10 days after being covered by an infected stallion, when a copious, greyish discharge is seen. Other mares may not show any outward signs of disease, but may have a shortened dioestrous period. Many mares recover spontaneously from the disease, but a small proportion become carriers of the CEM organism. The stallion does not show any clinical signs of disease, but remains a carrier. In this paper we recommend various laboratory procedures for the diagnosis of CEM in mares and stallions.
传染性马子宫炎（CEM）最初于1977年繁殖季节在英国（克劳赫斯特，1977年）和爱尔兰（蒂莫尼、沃德和凯利，1977年）被报道。该疾病也在法国和澳大利亚被诊断出（休斯、布赖登和麦克唐纳，1978年）。1977年末从法国进口2匹种马后，美国首次出现CEM，这导致了1978年繁殖季节早期的一次疫情爆发（斯韦尔切克，1978年）。母马在被感染种马配种后8 - 10天通常会出现CEM的临床症状，此时可见大量灰白色分泌物。其他母马可能没有任何疾病的外在迹象，但发情间期可能会缩短。许多母马会自愈，但一小部分会成为CEM病原体的携带者。种马没有任何疾病的临床症状，但仍是携带者。在本文中，我们推荐了用于诊断母马和种马CEM的各种实验室程序。
