Songer J G, Glock R D, Schwartz K J, Harris D L
J Am Vet Med Assoc. 1978 Feb 15;172(4):464-6.
Fecal samples were collected from animals and environments on 3 swine farms and cultured for Treponema hyodysenteriae. Each farm was a farrow-to-finish operation and, at the time of sampling, swine dysentery was enzootic among 8- to 22-week-old pigs. Pathogenic T hyodysenteriae was isolated from pigs on all 3 farms. On farm A, nonpathogenic T hyodysenteriae was isolated from a sample of lagoon water. On farm B, pathogenic T hyodysenteriae was isolated from a waste-holding pit. On farm C, a dog was observed to be eating feces of pigs that had swine dysentery. The dog was diarrheic and a fecal sample yielded a pathogenic isolant of T hyodysenteriae. Further isolation attempts were unsuccessful after the dog was removed from the infected premises. Isolation of pathogenic and nonpathogenic organisms from waste-holding systems emphasizes the need for cultural techniques in detecting pathogenic T hyodysenteriae.
从3个养猪场的动物和环境中采集粪便样本，培养猪痢疾短螺旋体。每个猪场都是自繁自养场，在采样时，猪痢疾在8至22周龄的猪群中呈地方流行性。在所有3个猪场的猪中均分离出致病性猪痢疾短螺旋体。在A猪场，从泻湖水样中分离出非致病性猪痢疾短螺旋体。在B猪场，从粪便储存坑中分离出致病性猪痢疾短螺旋体。在C猪场，观察到一只狗在吃患有猪痢疾的猪的粪便。这只狗腹泻，粪便样本中分离出致病性猪痢疾短螺旋体。将狗从受感染的场所移走后，进一步的分离尝试未成功。从粪便储存系统中分离出致病性和非致病性生物体，强调了培养技术在检测致病性猪痢疾短螺旋体中的必要性。
