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First Report of Avian Metapneumovirus Subtype B Field Strain in a Romanian Broiler Flock During an Outbreak of Respiratory Disease

Avian Diseases, 2017
Avian metapneumovirus (aMPV) represents one of the most prevalent diseases of Turkey, especially in combination with other pathogens, and its frequency is also increasing among chickens.
Konstantinos Koutoulis, Claudia Maria Tucciarone, Mattia Cecchinato   +2 more
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Comparison of avian cell substrates for propagating subtype C avian metapneumovirus

Virus Research, 2006
Avian metapneumovirus (AMPV) is a respiratory viral pathogen that causes turkey rhinotracheitis (TRT) or swollen head syndrome (SHS) in chickens. AMPV was first isolated in South Africa during the early 1970s and has subsequently spread worldwide during the 1980s to include Europe, Asia, and South America.
Byung-Whi, Kong, Linda K, Foster, Douglas N, Foster   +2 more
openaire   +2 more sources

Overview of Avian Metapneumovirus Outbreak in Pennsylvania

Avian Diseases
Avian metapneumovirus (aMPV) is a virus in the Pneumoviridae family associated with respiratory and reproductive disease in commercial poultry. In fall of 2023, the United States experienced an outbreak of subtypes A and B in commercial poultry flocks that has persisted through 2025.
Emily, Frye, Kayla, Niel, Sherrill, Davison, Megan, Lighty   +3 more
openaire   +2 more sources

Advantages and limitations of diagnostic methods for avian metapneumovirus

CABI Reviews, 2022
Abstract Respiratory tract diseases are responsible for major economic losses in the poultry industry. Avian metapneumovirus is a pathogen that causes acute infections in the upper airways of turkeys and chickens, is associated with Swollen Head Syndrome, and generates variable morbidity between 1% and 20% in chickens.
Claudia Yurika Tamehiro, Hiran Castagnino Kunert Filho, Lissandra Souto Cavalli, Tiela Trapp Grassotti, Daiane Carvalho, Benito Guimarães de Brito, Luciana Kazue Otutumi, Kelly Cristina Tagliari de Brito   +7 more
openaire   +1 more source

Characterization of Israeli avian metapneumovirus strains in turkeys and chickens

Avian Pathology, 2005
Although the disease associated with the avian metapneumovirus (aMPV) has been described in Israel for more than 20 years and one Israeli isolate was characterized as subtype A, this is the first study investigating the strains circulating in Israel (period 2002 to 2004).
Caroline, Banet-Noach, Lubov, Simanov, Shimon, Perk   +2 more
openaire   +2 more sources

Permissibility of different cell types for the growth of avian metapneumovirus

Journal of Virological Methods, 2006
Vero cells are commonly used for the growth of avian metapneumovirus subtype C (aMPV-C). This study was conducted to evaluate 17 different cell types for the growth of a Minnesota strain of aMPV-C. The virus was inoculated into these cell types and virus growth was monitored by the development of cytopathic effects (cpe) and immunofluorescence.
A, Tiwari, Devi P, Patnayak, Yogesh, Chander, Sagar M, Goyal   +3 more
openaire   +2 more sources

Epidemiology of Avian Metapneumovirus Infection in Italy

2009
At the beginning of 2000 little information was available on circulation and molecular epidemiology of AMPV Italian poultry except for the data regarding the first Italian isolates made in the late 80s, which were shown to be B subtypes (Juhasz and Easton, 1994; Sperati Ruffoni L., personal communication).
CATELLI, ELENA, Cecchinato M., Ortali G., Morandini E., Sperati Ruffoni L., Pesente P., Franciosi C., Naylor C. J.   +7 more
openaire   +2 more sources

Field avian Metapneumovirus evolution avoiding vaccine induced immunity

Vaccine, 2010
Live avian metapneumovirus (AMPV) vaccines have largely brought turkey rhinotracheitis (TRT) under control in Europe but unexplained outbreaks still occur. Italian AMPV longitudinal farm studies showed that subtype B AMPVs were frequently detected in turkeys some considerable period after subtype B vaccination.
CATELLI, ELENA, LUPINI, CATERINA, M. Cecchinato, RICCHIZZI, ENRICO, P. Brown, Clive J. Naylor   +5 more
openaire   +4 more sources

2024 Avian Metapneumovirus Outbreak

The 2024 outbreak of avian metapneumovirus (aMPV) in the US continues to threaten poultry flocks. Since January, aMPV has spread rapidly in turkey and chicken flocks across the country. Avian metapneumovirus is a highly contagious RNA virus that mainly affects turkeys, chickens and ducks.
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Avian Metapneumovirus: A Review of Pathogenesis and Its Effect on Diagnosis

Avian Diseases
Avian metapneumovirus (aMPV) is a highly contagious upper respiratory pathogen of poultry globally that emerged in the United States in January 2024 and rapidly spread to flocks throughout North America. In turkeys, the disease (turkey rhinotracheitis) initiates as an upper respiratory infection with high morbidity and frequent complication by ...
Dallas M, Clontz, Frederic J, Hoerr
openaire   +2 more sources