Browsing by UP Author "Penrith, Mary-Louise"

Browsing by UP Author "Penrith, Mary-Louise"

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  • 2023 International African Swine Fever Workshop : critical issues that need to be addressed for ASF control 
    Wang, Lihua; Ganges, Llilianne; Dixon, Linda K.; Bu, Zhigao; Zhao, Dongming; Quang Lam Truong; Richt, Juergen A.; Jin, Meilin; Netherton, Christopher L.; Benarafa, Charaf; Summerfield, Artur; Weng, Changjiang; Peng, Guiqing; Reis, Ana L.; Han, Jun; Penrith, Mary-Louise; Mo, Yupeng; Su, Zhipeng; Hoang, Dang Vu; Pogranichniy, Roman M.; Balaban-Oglan, David-Adrian; Li, Yuzhen; Wang, Kewen; Cai, Xuepeng; Shi, Jishu (MDPI, 2024-01)
    The 2023 International African Swine Fever Workshop (IASFW) took place in Beijing, China, on 18–20 September 2023. It was jointly organized by the U.S.-China Center for Animal Health (USCCAH) at Kansas State University ...
  • African swine fever 
    Penrith, Mary-Louise (Agricultural Research Council, ARC-OVI and the University of Pretoria, 2009-03)
    African swine fever (ASF) is a devastating haemorrhagic fever of pigs that causes up to 100 % mortality, for which there is no vaccine. It is caused by a unique DNA virus that is maintained in an ancient cycle between ...
  • African swine fever : update on Eastern, Central and Southern Africa 
    Mulumba-Mfumu, Leopold K.; Saegerman, Claude; Dixon, Linda K.; Madimba, Kapanga C.; Kazadi, Eric; Mukalakata, Ndeji T.; Oura, Chris A.L.; Chenais, Erika; Masembe, Charles; Stahl, Karl; Thiry, Etienne; Penrith, Mary-Louise (Wiley, 2019-07)
    Control of African swine fever (ASF) in countries in Eastern, Central and Southern Africa (ECSA) is particularly complex owing to the presence of all three known epidemiological cycles of maintenance of the virus, namely ...
  • The African swine fever epidemic in West Africa, 1996-2002 
    Brown, A.A.; Penrith, Mary-Louise; Fasina, Folorunso Oludayo; Beltran-Alcrudo, D. (Wiley, 2018-02)
    African swine fever (ASF) is a contagious, highly fatal, haemorrhagic viral disease that only affects members of the Suidae family. Currently, no vaccine or treatment exists, so the disease has potentially devastating ...
  • African swine fever virus eradication in Africa 
    Penrith, Mary-Louise; Vosloo, Wilna; Jori, Ferran J.; Bastos, Armanda D.S. (Elsevier, 2013)
    African swine fever was reported in domestic pigs in 26 African countries during the period 2009–2011. The virus exists in an ancient sylvatic cycle between warthogs (Phacochoerus africanus) and argasid ticks of the ...
  • Awareness concerning optimal pig production management and animal welfare among smallholder farmers in Tanzania 
    Braae, U.C.; Penrith, Mary-Louise; Ngowi, H.A.; Lekule, F.; Johansen, M.V. (Universities Federation for Animal Welfare, 2016)
    The aim of this study was to assess smallholder farmer awareness in terms of good pig management and to identify serious management issues that should be readily changeable despite resources being limited in a rural ...
  • Balancing livestock production and wildlife conservation in and around southern Africa's transfrontier conservation areas 
    Thomson, G.R. (Gavin); Penrith, Mary-Louise; Atkinson, M.W.; Atkinson, S.J.; Cassidy, D.; Osofsky, S.A. (Wiley-Blackwell, 2013-12)
    Biodiversity conservation, of which the transfrontier conservation area movement is an integral part, and more effective livestock production/trade are pivotal to future rural development in southern Africa. For that ...
  • Classical swine fever (Hog cholera) : review of aspects relevant to control 
    Penrith, Mary-Louise; Vosloo, Wilna; Mather, Charles (Wiley-Blackwell, 2011-06)
    Classical swine fever (CSF) has the ability to spread over large distances when human intervention, such as illegal swill feeding facilitates its movement. This was apparent during 2005 when CSF appeared in South Africa ...
  • Current status of African swine fever 
    Penrith, Mary-Louise (BMC, 2020)
    African swine fever is a serious viral disease of domestic pigs and Eurasian wild boars that poses a major threat to pig production. For more than thirty years after its discovery in East Africa it was limited to eastern ...
  • Editorial : African swine fever in smallholder and traditional pig farming systems : research, challenges and solutions 
    Penrith, Mary-Louise; Depner, Klaus; Jor, Ferran; Dione, Michel; Alders, Robyn; Chenais, Erika (Frontiers Media S.A., 2022-04-26)
    No abstract available.
  • Eradication of transboundary animal diseases : can the rinderpest success story be repeated? 
    Thomson, G.R. (Gavin); Fosgate, Geoffrey Theodore; Penrith, Mary-Louise (Wiley, 2015)
    A matrix system was developed to aid in the evaluation of the technical amenability to eradication, through mass vaccination, of transboundary animal diseases (TADs). The system involved evaluation of three basic criteria ...
  • Evaluation of a virus neutralisation test for detection of Rift Valley fever antibodies in Suid Sera 
    Lubisi, Baratang Alison; Ndouvhada, Phumudzo N.; Neiffer, Donald; Penrith, Mary-Louise; Sibanda, Donald Ray; Bastos, Armanda D.S. (MDPI Publishing, 2019-03-25)
    Rift Valley fever (RVF) is a vector-borne viral disease of ruminants mainly, and man, characterized by abortions and neonatal deaths in animals and flu-like to more severe symptoms that can result in death in humans. The ...
  • Evidence for cryptosporidial infection as a cause of prolapse of the phallus and cloaca in ostrich chicks (Struthio camelus) 
    Penrith, Mary-Louise; Bezuidenhout, A.J. (Abraham Johannes), 1942-; Burger, W.P.; Putterill, John Fraser; Verwoerd, Daniel Wynand (Published by the Agricultural Research Council, Onderstepoort Veterinary Institute, 1994)
    Cloacas of male ostrich chicks that had suffered prolapse of the phallus and cloaca were compared with cloacas of normal ostrich chicks of both sexes from the same area. Heavy infection of the cloacal and bursal tissue ...
  • Evidence-based African swine fever policies : do we address virus and host adequately? 
    Busch, Frank; Haumont, Celine; Penrith, Mary-Louise; Laddomada, Alberto; Dietze, Klaas; Globig, Anja; Guberti, Vittorio; Zani, Laura; Depner, Klaus (Frontiers Media, 2021-03-24)
    African swine fever (ASF) is one of the most threatening diseases for the pig farming sector worldwide. Prevention, control and eradication remain a challenge, especially in the absence of an effective vaccine or cure ...
  • Experimental infection of domestic pigs (Sus scrofa) with Rift Valley fever virus 
    Lubisi, Baratang Alison; Mutowembwa, Paidamwoyo Barry; Ndouvhada, Phumudzo Nomicia; Odendaal, Lieza; Bastos, Armanda; Penrith, Mary-Louise (MDPI, 2023-02)
    Rift valley fever (RVF), caused by the RVF virus (RVFV), is a vector-borne zoonotic disease that primarily affects domestic ruminants. Abortion storms and neonatal deaths characterise the disease in animals. Humans develop ...
  • Exploring the hurdles that remain for control of African swine fever in smallholder farming settings 
    Chenais, Erika; Depner, Klaus; Ebata, Ayako; Penrith, Mary-Louise; Pfeiffer, Dirk U.; Price, Cortney; Stahl, Karl; Fischer, Klara (Wiley, 2022-09)
    To honour the 100 years anniversary of the first publication about African swine fever (ASF) a webinar with a particular focus on disease control in the smallholder sector was organized. This article is based on the webinar, ...
  • Foot-and-mouth disease and market access : challenges for the beef industry in southern Africa 
    Scoones, Ian; Bishi, Alec; Mapitse, Neo; Moerane, Rebone; Penrith, Mary-Louise; Sibanda, Ronny; Thomson, G.R. (Gavin); Wolmer, William (Practical Action, 2010-07)
    Focusing on the case of foot and mouth disease (FMD) in southern Africa – and specifi cally Botswana, Namibia, South Africa and Zimbabwe – this paper explores the economic, social and political trade-offs arising from ...
  • Has culling been properly assessed as a valid and justified control intervention measure for zoonotic diseases? 
    Johansen, Maria Vang; Penrith, Mary-Louise (Public Library of Science, 2009-10-27)
    No abstract available.
  • History of ‘swine fever’ in Southern Africa 
    Penrith, Mary-Louise (OpenJournals Publishing, 2013-11-29)
    The histories of the two swine fevers in southern Africa differ widely. Classical swine fever (hog cholera) has been known in the northern hemisphere since 1830 and it is probable that early cases of ‘swine fever’ in ...
  • Innovative research offers new hope for managing African swine fever better in resource-limited smallholder farming settings : a timely update 
    Penrith, Mary-Louise; Van Heerden, Juanita; Pfeiffer, Dirk U.; Olsevskis, Edvıns; Depner, Klaus; Chenais, Erika (MDPI, 2023-02-20)
    African swine fever (ASF) in domestic pigs has, since its discovery in Africa more than a century ago, been associated with subsistence pig keeping with low levels of biosecurity. Likewise, smallholder and backyard pig ...