Search Results - "Myburgh, Jan G."

Accumulation of organochlorine pesticides in fat tissue of wild Nile crocodiles (Crocodylus niloticus) from iSimangaliso Wetland Park, South Africa by Buah-Kwofie, Archibold, Humphries, Marc S., Combrink, Xander, Myburgh, Jan G.

“…Nile crocodiles (Crocodylus niloticus) are important apex predators in many tropical and subtropical aquatic habitats throughout much of sub-Saharan Africa. In…”
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West Nile Virus in Wildlife and Nonequine Domestic Animals, South Africa, 2010-2018 by Steyn, Jumari, Botha, Elizabeth, Stivaktas, Voula I, Buss, Peter, Beechler, Brianna R, Myburgh, Jan G, Steyl, Johan, Williams, June, Venter, Marietjie

“…West Nile virus (WNV) lineage 2 is associated with neurologic disease in horses and humans in South Africa. Surveillance in wildlife and nonequine domestic…”
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Shuni Virus in Wildlife and Nonequine Domestic Animals, South Africa by Steyn, Jumari, Motlou, Pebetsi, van Eeden, Charmaine, Pretorius, Marthi, Stivaktas, Voula I, Williams, June, Snyman, Louwtjie P, Buss, Peter E, Beechler, Brianna, Jolles, Anna, Perez-Martin, Eva, Myburgh, Jan G, Steyl, Johan, Venter, Marietjie

“…We screened nonequine animals with unexplained neurologic signs or death in South Africa during 2010-2018 for Shuni virus (SHUV). SHUV was detected in 3.3% of…”
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Temporal Dynamics of Plasma Catecholamines, Metabolic and Immune Markers, and the Corticosterone:DHEA Ratio in Farmed Crocodiles before and after an Acute Stressor by Swanepoel, Andre A, Truter, Christoff, Viljoen, Francois P, Myburgh, Jan G, Harvey, Brian H

“…Commercial crocodilian farms face significant economic and livestock losses attributed to stress, which may be linked to their adopted husbandry practices. The…”
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Evaluation of the genotoxic potential of water impacted by acid mine drainage from a coal mine in Mpumalanga, South Africa, using the Ames test and Comet assay by Iji, Oluwafikemi T, Njoya, Emmanuel Mfotie, Madikizela, Balungile, Myburgh, Jan G, McGaw, Lyndy J

“…Several potential genotoxins found in water samples arise from anthropogenic activities. Acid mine efluent resulting from coal mining poses serious environment…”
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Next generation sequencing and RNA-seq characterization of adipose tissue in the Nile crocodile (Crocodylus niloticus) in South Africa: Possible mechanism(s) of pathogenesis and pathophysiology of pansteatitis by Azeez, Odunayo I, Myburgh, Jan G, Bosman, Ana-Mari, Featherston, Jonathan, Sibeko-Matjilla, Kgomotso P, Oosthuizen, Marinda C, Chamunorwa, Joseph P

“…Concerted efforts to identify the pathogenesis and mechanism(s) involved in pansteatitis, (a generalized inflammation of the adipose tissue), that was…”
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The post-occipital spinal venous sinus of the Nile crocodile (Crocodylus niloticus): Its anatomy and use for blood sample collection and intravenous infusions by Myburgh, Jan G, Kirberger, Robert M, Steyl, Johan C.A, Soley, John T, Booyse, Dirk G, Huchzermeyer, Fritz W, Lowers, Russell H, Guillette, Jr., Louis J

“…The post-occipital sinus of the spinal vein is often used for the collection of blood samples from crocodilians. Although this sampling method has been…”
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Generation of reactive oxygen species in relevant cell lines as a bio-indicator of oxidative effects caused by acid mine water by Myburgh, Jan G., McGaw, Lyndy J., Bester, Megan J., Iji, Oluwafikemi T., Venter, E. Annette, Serem, June C.

“…Reactive oxygen species (ROS) production and resultant oxidative stress (OS) has been implicated as a pathway of toxicity in animal species exposed to…”
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Organochlorine pesticide bioaccumulation in wild Nile crocodile (Crocodylus niloticus) fat tissues: Environmental influences on changing residue levels and contaminant profiles by Humphries, Marc S., Myburgh, Jan G., Campbell, Robert, Buah-Kwofie, Archibold, Combrink, Xander

“…Biologically significant concentrations of organochlorine pesticides (OCPs) continue to be reported in wildlife populations and are of particular concern in…”
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In ovo manipulation of Nile crocodile embryos: egg windowing and potential dental research applications by Truter, J Christoff, Myburgh, Jan G

“…Crocodilians exhibit continuous tooth replacement (i.e., polyphyodonty) and have been identified as suitable models for tooth regeneration research due to the…”
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Non-invasive assessment of adrenocortical function in captive Nile crocodiles (Crocodylus niloticus) by Ganswindt, Stefanie B., Myburgh, Jan G., Cameron, Elissa Z., Ganswindt, Andre

“…The occurrence of stress-inducing factors in captive crocodilians is a concern, since chronic stress can negatively affect animal health and reproduction, and…”
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Blood lead concentrations in free-ranging Nile crocodiles (Crocodylus niloticus) from South Africa by Warner, Jonathan K., Combrink, Xander, Myburgh, Jan G., Downs, Colleen T.

“…Generally crocodilians have received little attention with regard to the effects of lead toxicity despite their trophic status as apex, generalist predators…”
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Bioaccumulation of aluminium and iron in the food chain of Lake Loskop, South Africa by Oberholster, Paul J., Myburgh, Jan G., Ashton, Pete J., Coetzee, Jan J., Botha, Anna-Maria

“…Concentrations of total aluminium (Al) and iron (Fe) were determined in Lake Loskop over a period of four months in 2009 in samples of phytobenthos,…”
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Calcium and phosphorus in unbanded eggs of the Nile crocodile (Crocodylus niloticus) by Brown, Geoffrey J., Forbes, Patricia B. C., Myburgh, Jan G., Nöthling, Johan O.

“…Unbanded crocodilian eggs do not form an opaque band around their lesser circumference, indicating fertilization failure or early embryonic death. Assuming…”
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Corrigendum: Hepatogenous photosensitisation in cows grazing turnips (Brassica rapa) in South Africa by Davis, Anthony J., Collett, Mark G., Steyl, Johan C.A., Myburgh, Jan G.

“…Abstract only…”
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Morphological changes associated with Nile crocodile (Crocodylus niloticus) phallic glans inflation by Moore, Brandon C., Francis, Rachel, Foster, Adam, Kelly, Diane A., Does, Mark, Kim, Dong K., Groenewald, Herman B., Myburgh, Jan G.

“…The crocodylian phallic glans is the distal inflatable structure that makes the most direct contact with the female cloacal and associated reproductive tract…”
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Hepatogenous photosensitisation in cows grazing turnips (Brassica rapa) in South Africa by Davis, Anthony J, Collet, Mark G, Steyl, Johan C.A, Myburgh, Jan G

“…Abstract only…”
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Diagnostic Value of Energy Dispersive Hand-Held X-ray Fluorescence Spectrometry in Determining Trace Element Concentrations in Ovine Liver by van Loggerenberg, Daniël E., Laver, Pete N., Myburgh, Jan G., Botha, Christo J.

“…There are no data available on the use of hand-held X-ray fluorescence (XRF) spectrometry to determine trace element concentrations in veterinary diagnostics…”
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Vertical transmission of microcystins to Nile crocodile (Crocodylus niloticus) eggs by Singo, Alukhethi, Myburgh, Jan G., Laver, Peter N., Venter, Elizabeth A., Ferreira, Gezina C.H., Rösemann, Gertruida M., Botha, Christo J.

“…Cyanobacteria or blue green algae are known for their extensive and highly visible blooms in eutrophic, stagnant freshwater bodies. Climate change and global…”
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Investigation of stillbirths, perinatal mortality and weakness in beef calves with low-selenium whole blood concentrations by Davis, Anthony J, Myburgh, Jan G

“…In this on-farm investigation, we report on stillbirths, weakness and perinatal mortality seen in calves on a commercial beef farm in the Roossenekal area,…”
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