Isolation of different serovars of Salmonella enterica from wild birds in Great Britain between 1995 and 2003

2006 ◽  
Vol 158 (24) ◽  
pp. 817-820 ◽  
Author(s):  
T. W. Pennycott ◽  
A. Park ◽  
H. A. Mather
Keyword(s):  
Great Britain ◽  
Salmonella Enterica ◽  
Wild Birds

Epidemiological perspectives on West Nile virus surveillance in wild birds in Great Britain

2012 ◽  
Vol 141 (6) ◽  
pp. 1134-1142 ◽  
Author(s):  
V. A. BRUGMAN ◽  
D. L. HORTON ◽  
L. P. PHIPPS ◽  
N. JOHNSON ◽  
A. J. C. COOK ◽  
...  
Keyword(s):  
Great Britain ◽  
West Nile Virus ◽  
Bird Species ◽  
Wild Birds ◽  
West Nile ◽  
Peak Period ◽  
Dead Bird ◽  
Virus Surveillance ◽  
Vector Activity ◽  
Geographical Expansion

SUMMARYWest Nile virus (WNV) is a zoonotic arthropod-borne pathogen with continued geographical expansion in Europe. We present and evaluate data on the temporal, spatial and bird species focus of the WNV surveillance programme in dead wild birds in Great Britain (2002–2009). During this period all bird samples tested negative for WNV. Eighty-two per cent of the 2072 submissions occurred during the peak period of vector activity with 53% tested during April–July before human and equine infection would be expected. Samples were received from every county, but there was significant geographical clustering (nearest neighbour index=0·23, P<0·001). Over 240 species were represented, with surveillance more likely to detect WNV in resident bird species (92% of submissions) than migrants (8%). Evidence indicates that widespread avian mortality is not generally a reported feature of WNV in Europe and hence additional activities other than dead bird surveillance may maximize the ability to detect WNV circulation before the onset of human and equine infections.

Salmonella enterica subspecies enterica serotype Typhimurium and Escherichia coli 086 in wild birds at two garden sites in south-west Scotland

2002 ◽  
Vol 151 (19) ◽  
pp. 563-567 ◽  
Author(s):  
T. W. Pennycott ◽  
R. N. Cinderey ◽  
A. Park ◽  
H. A. Mather ◽  
G. Foster
Keyword(s):  
Escherichia Coli ◽  
Salmonella Enterica ◽  
Wild Birds ◽  
South West

scholarly journals Salmonella enterica serovar Typhimurium from Wild Birds in the United States Represent Distinct Lineages Defined by Bird Type

2021 ◽  
Author(s):  
Yezhi Fu ◽  
Nkuchia M. M'ikanatha ◽  
Jeffrey M. Lorch ◽  
David S. Blehert ◽  
Brenda Berlowski-Zier ◽  
...  
Keyword(s):  
Salmonella Enterica ◽  
Genetic Relatedness ◽  
Virulence Gene ◽  
The United States ◽  
Domestic Animal ◽  
Wild Birds ◽  
Passerine Birds ◽  
Source Attribution ◽  
Serovar Typhimurium ◽  
Water Birds

Salmonella enterica serovar Typhimurium is typically considered a host generalist, however certain strains are associated with specific hosts and show genetic features of host adaptation. Here, we sequenced 131 S. Typhimurium strains from wild birds collected in 30 U.S. states during 1978-2019. We found that isolates from broad taxonomic host groups including passerine birds, water birds (Aequornithes), and larids (gulls and terns) represented three distinct lineages and certain S. Typhimurium CRISPR types presented in individual lineages. We also showed that lineages formed by wild bird isolates differed from most strains originating from domestic animal sources, and genomes from these lineages substantially improved source attribution of Typhimurium genomes to wild birds by a machine learning classifier. Furthermore, virulence gene signatures that differentiated S. Typhimurium from passerines, water birds, and larids were detected. Passerine isolates tended to lack S. Typhimurium-specific virulence plasmids. Isolates from the passerine, water bird, and larid lineages had close genetic relatedness with human clinical isolates, including those from a 2021 U.S. outbreak linked to passerine birds. These observations indicate that S. Typhimurium from wild birds in the U.S. are likely host-adapted, and the representative genomic dataset examined in this study can improve source prediction and facilitate outbreak investigation.

scholarly journals A One Health investigation of Salmonella enterica serovar Wangata in north-eastern New South Wales, Australia, 2016–2017

2019 ◽  
Vol 147 ◽  
Author(s):  
J. Collins ◽  
K. M. J. Simpson ◽  
G. Bell ◽  
D. N. Durrheim ◽  
G. A. Hill-Cawthorne ◽  
...  
Keyword(s):  
Salmonella Enterica ◽  
One Health ◽  
New South ◽  
New South Wales ◽  
Genomic Analysis ◽  
Wild Birds ◽  
Indirect Contact ◽  
South Wales ◽  
North Eastern ◽  
Human Infections

AbstractSalmonella enterica serovar Wangata (S. Wangata) is an important cause of endemic salmonellosis in Australia, with human infections occurring from undefined sources. This investigation sought to examine possible environmental and zoonotic sources for human infections with S. Wangata in north-eastern New South Wales (NSW), Australia. The investigation adopted a One Health approach and was comprised of three complimentary components: a case–control study examining human risk factors; environmental and animal sampling; and genomic analysis of human, animal and environmental isolates. Forty-eight human S. Wangata cases were interviewed during a 6-month period from November 2016 to April 2017, together with 55 Salmonella Typhimurium (S. Typhimurium) controls and 130 neighbourhood controls. Indirect contact with bats/flying foxes (S. Typhimurium controls (adjusted odds ratio (aOR) 2.63, 95% confidence interval (CI) 1.06–6.48)) (neighbourhood controls (aOR 8.33, 95% CI 2.58–26.83)), wild frogs (aOR 3.65, 95% CI 1.32–10.07) and wild birds (aOR 6.93, 95% CI 2.29–21.00) were statistically associated with illness in multivariable analyses. S. Wangata was detected in dog faeces, wildlife scats and a compost specimen collected from the outdoor environments of cases’ residences. In addition, S. Wangata was detected in the faeces of wild birds and sea turtles in the investigation area. Genomic analysis revealed that S. Wangata isolates were relatively clonal. Our findings suggest that S. Wangata is present in the environment and may have a reservoir in wildlife populations in north-eastern NSW. Further investigation is required to better understand the occurrence of Salmonella in wildlife groups and to identify possible transmission pathways for human infections.

Environmental contamination and detection of Salmonella enterica serovar enteritidis in laying flocks

2001 ◽  
Vol 149 (23) ◽  
pp. 699-704 ◽  
Author(s):  
R. Davies ◽  
M. Breslin
Keyword(s):  
Environmental Contamination ◽  
Salmonella Enterica ◽  
Environmental Samples ◽  
Egg Production ◽  
Vaccination Status ◽  
Wild Birds ◽  
Sample Type ◽  
Salmonella Enterica Serovar Enteritidis ◽  
Free Range

Faecal, dust and other environmental samples were collected from the floors, droppings belts, egg-collection systems and other areas of 14 cage-layer flocks, 10 barn egg production flocks and seven free-range flocks, and cultured for Salmonella species. The distribution of the organism varied with its prevalence and with the vaccination status of the birds. No one sample type was found to be suitable for identifying all contaminated houses. Salmonella was also frequently found on egg-packing equipment and in samples from rodents and wild birds.

scholarly journals Trends in the use of private gardens by wild birds in Great Britain 1995-2002

2005 ◽  
Vol 42 (4) ◽  
pp. 659-671 ◽  
Author(s):  
ANDREW R. CANNON ◽  
DAN E. CHAMBERLAIN ◽  
MIKE P. TOMS ◽  
BEN J. HATCHWELL ◽  
KEVIN J. GASTON
Keyword(s):  
Great Britain ◽  
Wild Birds

scholarly journals Characterisation of Salmonella enterica serotype Typhimurium isolates from wild birds in northern England from 2005 – 2006

2008 ◽  
Vol 4 (1) ◽  
pp. 4 ◽  
Author(s):  
Laura A Hughes ◽  
Sara Shopland ◽  
Paul Wigley ◽  
Hannah Bradon ◽  
A Howard Leatherbarrow ◽  
...  
Keyword(s):  
Salmonella Enterica ◽  
Wild Birds
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