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Browsing Production Animal Studies by UP Author "Roberts, Laura Christl"
Now showing items 1-7 of 7
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Roberts, Laura C.; Abolnik, Celia; Waller, Lauren J.; Shaw, Kevin; Ludynia, Katrin; Roberts, David G.; Kock, Alison A.; Makhado, Azwianewi B.; Snyman, Albert; Abernethy, D.A. (Darrell) (Hindawi, 2023-02-23)High pathogenicity avian influenza (HPAI) clade 2.3.4.4b H5N8 virus was detected in coastal seabirds in late 2017 in South Africa, following a devastating epidemic in the commercial poultry and ostrich industries. By May ...
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Peyrot, Belinda Margaret; Abolnik, Celia; Anthony, Tasneem; Roberts, Laura Christl (Wiley, 2022-11)From late 2017 to early 2018, clade 2.3.4.4B H5N8 highly pathogenic avian influenza (HPAI) viruses caused mass die-offs of thousands of coastal seabirds along the southern coastline of South Africa. Terns (Laridae) especially ...
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Abolnik, Celia; Ostmann, Erich; Woods, Matthew; Wandrag, D.B.R. (Daniel); Grewar, John Duncan; Roberts, Laura Christl; Olivier, Adriaan J. (Elsevier, 2021-12)Please read abstract in the article.
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Is penguin circovirus circulating only in the Antarctic circle? Lack of viral detection in Namibia Roberts, Laura Christl; Molini, Umberto; Coetzee, Lauren M.; Khaiseb, Siegfried; Roux, Jean-Paul; Kemper, Jessica; Roberts, David G.; Ludynia, Katrin; Doher, Marcus; Abernethy, D.A. (Darrell); Franzo, Giovanni (MDPI, 2023-04)The known host range of circoviruses is continuously expanding because of more intensive diagnostic activities and advanced sequencing tools. Recently, a new circovirus (penguin circovirus (PenCV)) was identified in the ...
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Abolnik, Celia; Phiri, Thandeka Precious; Peyrot, Belinda; De Beer, Renee; Snyman, Albert; Roberts, David; Ludynia, Katrin; Jordaan, Frances; Maartens, Michele; Ismail, Zehaad; Strydom, Christine; Van der Zel, Gerbrand; Anthony, Jade; Daniell, Nadine; De Boni, Liesl; Grewar, John Duncan; Olivier, Adriaan; Roberts, Laura C. (MDPI, 2023-06-16)In southern Africa, clade 2.3.4.4B H5N1 high pathogenicity avian influenza (HPAI) was first detected in South African (SA) poultry in April 2021, followed by outbreaks in poultry or wild birds in Lesotho and Botswana. ...
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Roberts, Laura Christl; Fosgate, Geoffrey Theodore (Elsevier, 2018-08)Foot-and-mouth disease (FMD) prevention and control is a challenge worldwide but the situation in southern Africa is particularly complex because the virus is endemic in wild African buffalo (Syncerus caffer). The objective ...
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Roberts, Laura Christl; Abernethy, D.A. (Darrell); Roberts, David Gordon; Ludynia, Katrin; O'Kennedy, Martha Magaretha; Abolnik, Celia (Wiley, 2024-01)BACKGROUND : High-pathogenicity avian influenza (HPAI) has become a conservation threat to wild birds. Therefore, suitable vaccine technology and practical application methods require investigation. METHODS : Twenty-four ...
Now showing items 1-7 of 7