Since the discovery of equine hepacivirus (EqHV) in 2011, the virus has been detected in horse populations from more than twelve countries across five continents. EqHV seroprevalence has been reported to be as high as 61.8% ...
Gordon, Stuart J.G.; Bolwell, Charlotte; Rogers, Chris W.; Musuka, Godfrey; Kelly, Patrick; Guthrie, Alan John; Mellor, Philip S.; Chris Hamblin(AOSIS OpenJournals, 2017-11-14)
A convenience sample of sheep and cattle herds around the cities of Harare, Kwekwe and
Bulawayo, located in the Highveld region of Zimbabwe, was used to estimate the seroprevalence
and sero-incidence of bluetongue virus ...
The identification of related and unrelated individuals from molecular marker data is often difficult, particularly when no pedigree information is available and the data set is large. High levels of relatedness or inbreeding ...
Le Roux, P.F.; Bansal, Ramesh C.(The Research Energy Centre of the University of Cape Town, 2017-11)
An electrical network constantly faces unforeseen events such as faults on lines, loss of load and loss of generation. Under-frequency load shedding and generator tripping are traditional methods used to stabilise a network ...
Page, Patrick Collin; Ganswindt, Andre; Schoeman, Johan P.; Venter, Gert J.; Guthrie, Alan John(BioMed Central, 2017-09-09)
BACKGROUND : African horse sickness (AHS) is of importance to health and international trade in horses worldwide.
During export from and transit through AHS endemic countries or zones, physical and chemical measures ...
Dennis, Susan J.; Meyers, Ann E.; Guthrie, Alan John; Hitzeroth, Inga I.; Rybicki, Edward P.(Wiley, 2018-02)
African horse sickness (AHS) is a debilitating and often fatal viral disease affecting horses in much
of Africa, caused by the dsRNA orbivirus African horse sickness virus (AHSV). Vaccination remains
the single most ...
Gordon, Stuart J.G.; Bolwell, Charlotte; Rogers, Chris W.; Musuka, Godfrey; Kelly, Patrick; Guthrie, Alan John; Mellor, Philip S.; Hamblin, Christopher(AOSIS OpenJournals, 2017-05-10)
Sentinel herds and samples submitted by private equine practitioners were used to determine
the sero-prevalence and sero-incidence of African horse sickness virus (AHSV) and equine
encephalosis virus (EEV) in horse and ...
Weyer, Camilla Theresa; Grewar, John D.; Burger, Phillipa; Rossouw, Esthea; Lourens, Carina W.; Joone, Christopher; le Granje, Misha; Coetzee, Peter; Venter, Estelle Hildegard; Martin, Darren P.; MacLachlan, N.J. (James); Guthrie, Alan John(Centers for Disease Control and Prevention, 2016-12)
African horse sickness (AHS) is a hemorrhagic viral fever of horses. It is the only equine disease for which the World Organization for Animal Health has introduced specific guidelines for member countries seeking official ...
Kaelin, Christopher B.; Xu, Xiao; Hong, Lewis Z.; David, Victor A.; McGowan, Kelly A.; Schmidt-Küntzel, Anne; Roelke, Melody E.; Pino, Javier; Pontius, Joan; Cooper, Gregory M.; Manuel, Hermogenes; Swanson, William F.; Marker, Laurie; Harper, Cindy Kim; Van Dyk, Ann; Yue, Bisong; Mullikin, James C.; Warren, Wesley C.; Eizirik, Eduardo; Kos, Lidia; O’Brien, Stephen J.; Barsh, Gregory S.; Menotti-Raymond, Marilyn(American Association for the Advancement of Science, 2012-09)
Color markings among felid species display both a remarkable diversity and a
common underlying periodicity. A similar range of patterns within domestic cats suggests a
conserved mechanism whose appearance can be altered ...
Schulman, Martin L.; May, Catherine Edith; Joone, Carolynne J.; Monyai, Mpho S.; Gerstenberg, C.; Naidoo, R.; Pienaar, J.; Guthrie, Alan John(Elsevier, 2012-11)
The first outbreak of Contagious Equine Metritis (CEM) due to Taylorella equigenitalis in
South Africa was reported to the OIE in May 2011 subsequent to importation of a stallion,
the index case. Two additional positive ...
Bolzon, Colin; Joone, Carolynne J.; Schulman, Martin L.; Harper, Cindy Kim; Villagómez, Daniel A.F.; King, W. Allan; Révay, Tamas(Karger, 2016)
Disorders of sex development (DSD) have long been documented in domestic animal species
including horses. However, there is only a single report of an androgen receptor mutation
causative of such a DSD syndrome in a horse ...
Miller, Susan M.; Clarke, Amy B.; Bloomer, Paulette; Guthrie, Alan John; Harper, Cindy Kim(Springer, 2016-09)
Wildlife is a multi-million dollar industry in
South Africa ranging from intensively farmed animals on
small properties to free-roaming animals in large functional
ecosystems. Specific concerns surrounding the ...
Sergeant, Evan S.; Grewar, John D.; Weyer, Camilla Theresa; Guthrie, Alan John(Public Library of Science, 2016-03-17)
African horse sickness (AHS) is a severe, often fatal, arbovirus infection of horses, transmitted
by Culicoides spp. midges. AHS occurs in most of sub-Saharan Africa and is a significant
impediment to export of live ...
African horse sickness (AHS) is a devastating disease of equids caused by an
arthropod-borne virus belonging to the Reoviridae family, genus Orbivirus. It is
considered a major health threat for horses in endemic areas ...
Miller, Susan M.; Harper, Cindy Kim; Bloomer, Paulette; Hofmeyr, Jennifer; Funston, Paul J.(Public Library of Science, 2015-12-23)
Population fragmentation is threatening biodiversity worldwide. Species that once roamed
vast areas are increasingly being conserved in small, isolated areas. Modern management
approaches must adapt to ensure the continued ...
The African elephant (Loxodonta africana)
population in Kenya is declining at an alarming rate due to
habitat destruction, human-elephant conflicts and the current
escalation of poaching for ivory. This study established
Schulman, Martin L.; Becker, A.; Van der Merwe, B.D.; Guthrie, Alan John; Stout, T.A.E. (Tom)(Wiley, 2015-03)
REASONS FOR PERFORMING STUDY : EHV-1 is one of the most common causes of
infectious abortion in mares. Analyzing the demography of outbreaks and detailing
subsequent reproductive performance of affected mares will assist ...
Gordon, Stuart J.G.; Bolwell, Charlotte; Rogers, Chris; Musuka, Godfrey; Kelly, Patrick; Labuschagne, Karien; Guthrie, Alan John; Denison, Eric; Mellor, Philip S.; Hamblin, Christopher(AOSIS OpenJournals, 2015-05-29)
A study of the distribution of Culicoides species was conducted by establishing 12 light trap
sites over five rainy seasons between 1998 and 2003 covering all the geo-climatic natural
regions of Zimbabwe. In total, 279 ...
Rathogwa, Ntungufhadzeni Maclaughlin; Quan, Melvyn; Smit J.Q.; Lourens C.; Guthrie, Alan John; Van Vuuren, Moritz(Elsevier, 2014-01)
Equine encephalosis virus (EEV) is the cause of equine encephalosis. The disease is similar to mild forms
of African horse sickness (AHS) and the two diseases are easily confused. Laboratory identification and