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Investigations on the prevalence and potential pathogenicity of intestinal trichomonads in pigs using in situ hybridization.

Mostegl MM, Richter B, Nedorost N, Maderner A, Dinhopl N, Weissenböck H - Vet. Parasitol. (2010)

Bottom Line: Partial 18S ribosomal RNA gene sequencing of six of those animals showed a 100% sequence identity with T. foetus sequences.The majority of these animals were also tested positive for other enteropathogenic agents, such as Brachyspira sp., Lawsonia intracellularis, Escherichia coli, and porcine circovirus type 2.All OT-positive samples were further examined with another probe complementary to all known Tritrichomonas species sequences including T. foetus, T. augusta, T. mobilensis and T. nonconforma resulting in only 48 positives.

View Article: PubMed Central - PubMed

Affiliation: Institute of Pathology and Forensic Veterinary Medicine, Department of Pathobiology, University of Veterinary Medicine, Veterinärplatz 1, A-1210 Vienna, Austria.

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Related in: MedlinePlus

Total numbers of pigs positive for trichomonads and other pathogens. The X-axis shows trichomonad infections in different infestation degrees (scattered, low, moderate, high or not infected (Neg)); the bars stand for total number, not infected with one of the tested pathogens (negative), positive for Brachyspira sp., PCV-2, L. intracellularis or E. coli, respectively. Multiple infections are included in the amount of samples and not shown separately.
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fig0010: Total numbers of pigs positive for trichomonads and other pathogens. The X-axis shows trichomonad infections in different infestation degrees (scattered, low, moderate, high or not infected (Neg)); the bars stand for total number, not infected with one of the tested pathogens (negative), positive for Brachyspira sp., PCV-2, L. intracellularis or E. coli, respectively. Multiple infections are included in the amount of samples and not shown separately.

Mentions: The presence of intestinal trichomonads with infection of other pathogens such as Brachyspira sp., porcine circovirus type 2, L. intracellularis and E. coli were correlated (data summarized in Fig. 2). In general, the majority of cases with presence of trichomonads also had an infection with other intestinal pathogens. In both, m and h infestation grades only one case out of ten or nine animals, respectively, was negative for all tested pathogens. One case each of both infestation grades, however, was only slightly positive in the PCV-2 ISH, a result which is considered of minor clinical importance.


Investigations on the prevalence and potential pathogenicity of intestinal trichomonads in pigs using in situ hybridization.

Mostegl MM, Richter B, Nedorost N, Maderner A, Dinhopl N, Weissenböck H - Vet. Parasitol. (2010)

Total numbers of pigs positive for trichomonads and other pathogens. The X-axis shows trichomonad infections in different infestation degrees (scattered, low, moderate, high or not infected (Neg)); the bars stand for total number, not infected with one of the tested pathogens (negative), positive for Brachyspira sp., PCV-2, L. intracellularis or E. coli, respectively. Multiple infections are included in the amount of samples and not shown separately.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3101261&req=5

fig0010: Total numbers of pigs positive for trichomonads and other pathogens. The X-axis shows trichomonad infections in different infestation degrees (scattered, low, moderate, high or not infected (Neg)); the bars stand for total number, not infected with one of the tested pathogens (negative), positive for Brachyspira sp., PCV-2, L. intracellularis or E. coli, respectively. Multiple infections are included in the amount of samples and not shown separately.
Mentions: The presence of intestinal trichomonads with infection of other pathogens such as Brachyspira sp., porcine circovirus type 2, L. intracellularis and E. coli were correlated (data summarized in Fig. 2). In general, the majority of cases with presence of trichomonads also had an infection with other intestinal pathogens. In both, m and h infestation grades only one case out of ten or nine animals, respectively, was negative for all tested pathogens. One case each of both infestation grades, however, was only slightly positive in the PCV-2 ISH, a result which is considered of minor clinical importance.

Bottom Line: Partial 18S ribosomal RNA gene sequencing of six of those animals showed a 100% sequence identity with T. foetus sequences.The majority of these animals were also tested positive for other enteropathogenic agents, such as Brachyspira sp., Lawsonia intracellularis, Escherichia coli, and porcine circovirus type 2.All OT-positive samples were further examined with another probe complementary to all known Tritrichomonas species sequences including T. foetus, T. augusta, T. mobilensis and T. nonconforma resulting in only 48 positives.

View Article: PubMed Central - PubMed

Affiliation: Institute of Pathology and Forensic Veterinary Medicine, Department of Pathobiology, University of Veterinary Medicine, Veterinärplatz 1, A-1210 Vienna, Austria.

Show MeSH
Related in: MedlinePlus