| faecal excretion of intestinal spirochaetes by urban dogs, and their pathogenicity in a chick model of intestinal spirochaetosis. | this study aimed to obtain information about the types of spirochaetes colonising urban dogs in thailand, and to investigate their pathogenic potential in a day-old chick model of intestinal spirochaetosis. spirochaetes were isolated from the faeces of six of 47 (12.8%) healthy dogs and 11 of 104 (10.6%) dogs with diarrhoea. their biochemical properties and 16s ribosomal dna sequences were analysed. four isolates were identified as brachyspira pilosicoli, three resembled "brachyspira pulli", nin ... | 2011 | 21320714 |