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Occurrence and diversity of Giardia duodenalis assemblages in livestock in the UK.

Minetti C, Taweenan W, Hogg R, Featherstone C, Randle N, Latham SM, Wastling JM - Transbound Emerg Dis (2013)

Bottom Line: G. duodenalis assemblage E was found to be predominant in cattle and sheep, followed by assemblage A.Mixed infections with assemblages A and E were also detected.Interestingly, some cattle, sheep and pigs were found to be infected with more unexpected assemblages (C, D, F).

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Affiliation: Department of Infection Biology, Institute of Infection and Global Health, Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK.

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Distribution of G. duodenalis assemblages in cattle and sheep samples genotyped at the SSU rRNA locus.
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fig02: Distribution of G. duodenalis assemblages in cattle and sheep samples genotyped at the SSU rRNA locus.

Mentions: Of the 370 samples tested by PCR, 127 (34.3%) gave a positive result for Giardia spp. Of the 127 PCR-positive samples, 91 (71.6%) were successfully sequenced, confirming infection with G. duodenalis assemblages. No other species of Giardia were identified. The prevalence of Giardia infection in the six species surveyed and the distribution of the assemblages in the whole sample are reported in Table 1 and Fig. 1, respectively. Figure2 shows the occurrence of the assemblages in the two most represented species in our sample. In general, G. duodenalis assemblage E was the most common type found (57.1% of the samples), followed by assemblage A (22%) and mixed infections with both assemblages A and E (7.7%). The predominance of the assemblages A and E was observed in both cattle and sheep. Unexpectedly, the canine-specific assemblage C was found in a pig and two cattle and also mixed with assemblage A in the latter. Furthermore, assemblage D (alone or mixed with A) was detected in a few cattle and a ewe. Interestingly, two pigs were found harbouring the feline-specific assemblage F.


Occurrence and diversity of Giardia duodenalis assemblages in livestock in the UK.

Minetti C, Taweenan W, Hogg R, Featherstone C, Randle N, Latham SM, Wastling JM - Transbound Emerg Dis (2013)

Distribution of G. duodenalis assemblages in cattle and sheep samples genotyped at the SSU rRNA locus.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4285228&req=5

fig02: Distribution of G. duodenalis assemblages in cattle and sheep samples genotyped at the SSU rRNA locus.
Mentions: Of the 370 samples tested by PCR, 127 (34.3%) gave a positive result for Giardia spp. Of the 127 PCR-positive samples, 91 (71.6%) were successfully sequenced, confirming infection with G. duodenalis assemblages. No other species of Giardia were identified. The prevalence of Giardia infection in the six species surveyed and the distribution of the assemblages in the whole sample are reported in Table 1 and Fig. 1, respectively. Figure2 shows the occurrence of the assemblages in the two most represented species in our sample. In general, G. duodenalis assemblage E was the most common type found (57.1% of the samples), followed by assemblage A (22%) and mixed infections with both assemblages A and E (7.7%). The predominance of the assemblages A and E was observed in both cattle and sheep. Unexpectedly, the canine-specific assemblage C was found in a pig and two cattle and also mixed with assemblage A in the latter. Furthermore, assemblage D (alone or mixed with A) was detected in a few cattle and a ewe. Interestingly, two pigs were found harbouring the feline-specific assemblage F.

Bottom Line: G. duodenalis assemblage E was found to be predominant in cattle and sheep, followed by assemblage A.Mixed infections with assemblages A and E were also detected.Interestingly, some cattle, sheep and pigs were found to be infected with more unexpected assemblages (C, D, F).

View Article: PubMed Central - PubMed

Affiliation: Department of Infection Biology, Institute of Infection and Global Health, Faculty of Health and Life Sciences, University of Liverpool, Liverpool, UK.

Show MeSH
Related in: MedlinePlus