Isolation of <i>Treponema hyodysenteriae</i> from a wild rat living on a piggery

Hampson, David J.; Combs, Barry; Harders, S.J.; Connaughton, I. D.; Fahy, VA

doi:10.1111/j.1751-0813.1991.tb03268.x

Cited by 12 publications

(9 citation statements)

References 6 publications

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“…Rat strain VSRlO was located in E T 10 together with S. hyodysenteriae strains recovered from pigs at the same piggery where the rat was trapped. Strains within this E T previously were shown to have identical restriction endonuclease analysis patterns (Hampson et al 1991 ;Lee et al 1993a). The results of PFGE on four of these strains together with porcine strains located in corresponding ETs are shown in Fig.…”

Section: Resultsmentioning

confidence: 83%

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Genetic relatedness amongst intestinal spirochaetes isolated from rate and brids.

Trott

Atyeo

Lee

et al. 1996

Lett Appl Microbiol

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Multilocus enzyme electrophoresis was used to determine genetic relationships amongst 32 intestinal spirochaetes (Serpulina spp.) isolated from rats (17), rheas (7), chickens, (4), ducks (2), a swan (1) and a flamingo (1). The strains were divided into 20 electrophoretic types (ETs), with a mean genetic diversity per locus of 0.62. The results were compared with those previously published for porcine intestinal spirochaetes. One strain from a healthy rat, and three rhea strains which were recovered from cases of necrotizing typhlitis, were grouped in the same ETs as certain porcine strains of Serpulina hyodysenteriae. The rhea strains could be differentiated from these by pulsed-field gel electrophoresis. Fifteen of the rat strains were genetically and phenotypically closely related. In contrast the avian strains were genetically more heterogeneous, with pathogenic isolates located in three different genetic groups.

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Section: Resultsmentioning

confidence: 83%

“…Rats have been shown to be carriers of 5'. hyodysenteriae (Hampson et al 1991), but they also can be colonized by weakly p-haemolytic spirochaetes which appear to be commensal (Cowley and Hill 1986).…”

Section: Introductionmentioning

confidence: 99%

Genetic relatedness amongst intestinal spirochaetes isolated from rate and brids.

Trott

Atyeo

Lee

et al. 1996

Lett Appl Microbiol

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“…hyodysenteriae has been found in rats and mice living on infected piggeries ( Joens andKinyon, 1982 andHampson et al, 1991), and in captive rheas ( Jensen et al, 1996) and commercial laying chickens ( Feberwee et al, 2008). The only wildlife species so far that has been identified as being naturally colonized with B. hyodysenteriae are feral mallards, and to date this has only been demonstrated in Scandinavia ( Jansson et al, 2004).…”

Section: Discussionmentioning

confidence: 99%

Detection of Brachyspira hyodysenteriae, Lawsonia intracellularis and Brachyspira pilosicoli in feral pigs

Phillips

Adams

et al. 2009

Veterinary Microbiology

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“…A number of studies have shown that both the brown rat ( Rattus norvegicus) and the house mouse ( Mus musculus) are susceptible to B. hyodysenteriae infection and have demonstrated the potential transmissibility of the pathogen from mice to pigs [56,57]. Furthermore, typing studies by PFGE have linked strains detected in infected pigs with those isolated from mice and rats from the same farm [58,59,60].…”

Section: Environmental Determinants Of Sd Transmissionmentioning

confidence: 99%

Swine Dysentery: Aetiology, Pathogenicity, Determinants of Transmission and the Fight against the Disease

Álvarez‐Ordóñez

Martínez-Lobo

Argüello

et al. 2013

IJERPH

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Swine Dysentery (SD) is a severe mucohaemorhagic enteric disease of pigs caused by Brachyspira hyodysenteriae, which has a large impact on pig production and causes important losses due to mortality and sub-optimal performance. Although B. hyodysenteriae has been traditionally considered a pathogen mainly transmitted by direct contact, through the introduction of subclinically infected animals into a previously uninfected herd, recent findings position B. hyodysenteriae as a potential threat for indirect transmission between farms. This article summarizes the knowledge available on the etiological agent of SD and its virulence traits, and reviews the determinants of SD transmission. The between-herds and within-herd transmission routes are addressed. The factors affecting disease transmission are thoroughly discussed, i.e., environmental survival of the pathogen, husbandry factors (production system, production stage, farm management), role of vectors, diet influence and interaction of the microorganism with gut microbiota. Finally, prophylactic and therapeutic approaches to fight against the disease are briefly described.

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Isolation of Treponema hyodysenteriae from a wild rat living on a piggery

Cited by 12 publications

References 6 publications

Genetic relatedness amongst intestinal spirochaetes isolated from rate and brids.

Genetic relatedness amongst intestinal spirochaetes isolated from rate and brids.

Detection of Brachyspira hyodysenteriae, Lawsonia intracellularis and Brachyspira pilosicoli in feral pigs

Swine Dysentery: Aetiology, Pathogenicity, Determinants of Transmission and the Fight against the Disease

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