Publications of Ockert Louis van Schalkwyk

Bokaba, R. P.; Dermauw, V.; Morar-Leather, D.; Dorny, P.; van Schalkwyk, O. L.; Neves, L.: An investigation into Toxoplasma gondii at the human livestock-wildlife interface, South Africa. Onderstepoort Journal of Veterinary Research 91 (1), a2130 (2024)

Cossu, C. A.; Ochai, S. O.; Troskie, M.; Hartmann, A.; Godfroid, J.; de Klerk, L. M.; Turner, W.; Kamath, P.; van Schalkwyk, O. L.; Cassini, R. et al.; Bhoora, R.; van Heerden, H.: Detection of tick-borne pathogen coinfections and coexposures to Foot-and-Mouth Disease, Brucellosis, and Q Fever in selected wildlife from Kruger National Park, South Africa, and Etosha National Park, Namibia. Transboundary and Emerging Diseases 2024, 2417717 (2024)

Ochai, S. O.; Hassim, A.; Dekker, E. H.; Magome, T.; Lekota, K. E.; Makgabo, M. S.; de Klerk-Loris, L. M.; van Schalkwyk, O. L.; Kamath, P. L.; Turner, W. C. et al.; van Heerden, H.: Comparing microbiological and molecular diagnostic tools for the surveillance of anthrax. PLOS Neglected Tropical Diseases 18 (11), e0012122 (2024)

Ochai, S. O.; Snyman, L.; Dolfi, A. C.; Ramoelo, A.; Reilly, B. K.; Botha, J. M.; Dekker, E. H.; van Schalkwyk, O. L.; Kamath, P. L.; Archer, E. et al.; Turner, W. C.; van Heerden, H.: Roles of host and environment in shift of primary anthrax host species in Kruger National Park. PLOS ONE 19 (12), e0314103 (2024)

Wikelski, M.; Quetting, M.; Bates, J.; Berger-Wolf, T.; Bohrer, G.; Boerger, L.; Chapple, T.; Crofoot, M. C.; Davidson, S. C.; Dechmann, D. K. N. et al.; Ellis-Soto, D.; Ellwood, E. R.; Fiedler, W.; Flack, A.; Fruth, B.; Franconi, N.; Havmøller, R. W.; Hirt, J.; Hussey, N. E.; Iannarilli, F.; Landwehr, M.; Müller, M. E.; Mueller, T.; Mueller, U.; Oliver, R. Y.; Partecke, J.; Pokrovsky, I.; Pokrovskaya, L.; Rubenstein, D. R.; Rutz, C.; Safi, K.; Santangeli, A.; van Schalkwyk, O. L.; Sequeira, A. M. M.; Sherub, S.; Ramesh, T.; Viljoen, P.; Wasik, K. A.; Wild, T. A.; Yanco, S.; Kays, R.: Introducing a unique animal ID and digital life history museum for wildlife metadata. Methods in Ecology and Evolution (2024)

Brown, M. B.; Fennessy, J. T.; Crego, R. D.; Fleming, C. H.; Alves, J.; Brandlova, K.; Fennessy, S.; Ferguson, S.; Hauptfleisch, M.; Hejcmanova, P. et al.; Hoffman, R.; Leimgruber, P.; Masiaine, S.; McQualter, K.; Mueller, T.; Muller, B.; Muneza, A.; O'Connor, D.; Olivier, A. J.; Rabeil, T.; Seager, S.; Stacy-Dawes, J.; van Schalkwyk, O. L.; Stabach, J.: Ranging behaviours across ecological and anthropogenic disturbance gradients: a pan-African perspective of giraffe (Giraffa spp.) space use. Proceedings of the Royal Society B: Biological Sciences 290 (2001), 20230912 (2023)

Wild, T. A.; van Schalkwyk, O. L.; Viljoen, P.; Heine, G.; Richter, N.; Vorneweg, B.; Koblitz, J. C.; Dechmann, D. K. N.; Rogers, W.; Partecke, J. et al.; Linek, N.; Volkmer, T.; Gregersen, T.; Havmoller, R. W.; Morelle, K.; Daim, A.; Wiesner, M.; Wolter, K.; Fiedler, W.; Kays, R.; Ezenwa, V. O.; Meboldt, M.; Wikelski, M.: A multi-species evaluation of digital wildlife monitoring using the Sigfox IoT network. Animal Biotelemetry 11 (1), 13 (2023)

Craig, A. F.; Schade-Weskott, M. L.; Rametse, T.; Heath, L.; Kriel, G. J. P.; de Klerk-Lorist, L.-M.; van Schalkwyk, O. L.; Trujillo, J. D.; Crafford, J. E.; Richt, J. A. et al.; Swanepoel, R.: Detection of African Swine Fever virus in ornithodoros tick species associated with indigenous and extralimital warthog populations in South Africa. Viruses 14, 1617 (2022)

Gumbo, R.; Sylvester, T. T.; Goosen, W. J.; Buss, P. E.; De Klerk-Lorist, L. M.; van Schalkwyk, O. L.; McCall, A.; Warren, R. M.; van Helden, P. D.; Miller, M. A. et al.; Kerr, T. J.: Adaptation and diagnostic potential of a commercial cat interferon gamma release assay for the detection of Mycobacterium bovis infection in African Lions (Panthera leo). Pathogens 11 (7), 765 (2022)

Gunner, R. M.; Wilson, R. P.; Holton, M. D.; Hopkins, P.; Bell, S. H.; Marks, N. J.; Bennett, N. C.; Ferreira, S.; Govender, D.; Viljoen, P. et al.; Bruns, A.; van Schalkwyk, O. L.; Bertelsen, M. F.; Duarte, C. M.; van Rooyen, M. C.; Tambling, C. J.; Goppert, A.; Diesel, D.; Scantlebury, D. M.: Decision rules for determining terrestrial movement and the consequences for filtering high-resolution global positioning system tracks: a case study using the African lion (Panthera leo). Journal of the Royal Society Interface 19 (186), 20210692 (2022)

Huang, Y. H.; Kausrud, K.; Hassim, A.; Ochai, S. O.; van Schalkwyk, O. L.; Dekker, E. H.; Buyantuev, A.; Cloete, C. C.; Kilian, J. W.; Mfune, J. K. E. et al.; Kamath, P. L.; van Heerden, H.; Turner, W. C.: Environmental drivers of biseasonal anthrax outbreak dynamics in two multihost savanna systems. Ecological Monographs 92 (4), e1526 (2022)

Kays, R.; Davidson, S. C.; Berger, M.; Bohrer, G.; Fiedler, W.; Flack, A.; Hirt, J.; Hahn, C.; Gauggel, D.; Russell, B. et al.; Kölzsch, A.; Lohr, A.; Partecke, J.; Quetting, M.; Safi, K.; Scharf, A. K.; Schneider, G.; Lang, I.; Schaeuffelhut, F.; Landwehr, M.; Storhas, M.; van Schalkwyk, O. L.; Vinciguerra, C.; Weinzierl, R.; Wikelski, M.: The Movebank system for studying global animal movement and demography. Methods in Ecology and Evolution 13 (3), pp. 419 - 431 (2022)

Koeppel, K. N.; Geertsma, P.; Kuhn, B. F.; van Schalkwyk, O. L.; Thompson, P. N.: Antibody response to Raboral VR-G (R) oral rabies vaccine in captive and free-ranging black-backed jackals (Canis mesomelas). Onderstepoort Journal of Veterinary Research 89 (1), a1975 (2022)

Koeppel, K. N.; van Schalkwyk, O. L.; Thompson, P. N.: Patterns of rabies cases in South Africa between 1993 and 2019, including the role of wildlife. Transboundary and Emerging Diseases 69 (2), pp. 836 - 848 (2022)

Meiring, C.; Schurz, H.; van Helden, P.; Hoal, E.; Tromp, G.; Kinnear, C.; Kleynhans, L.; Glanzmann, B.; van Schalkwyk, O. L.; Miller, M. et al.; Moller, M.: African wild dogs (Lycaon pictus) from the Kruger National Park, South Africa are currently not inbred but have low genomic diversity. Scientific Reports 12 (1), 14979 (2022)

Ochai, S. O.; Crafford, J. E.; Hassim, A.; Byaruhanga, C.; Huang, Y. H.; Hartmann, A.; Dekker, E. H.; van Schalkwyk, O. L.; Kamath, P. L.; Turner, W. C. et al.; van Heerden, H.: Immunological evidence of variation in exposure and immune response to Bacillus anthracis in herbivores of Kruger and Etosha National Parks. Frontiers in immunology 13, 814031 (2022)

Craig, A. F.; Schade-Weskott, M. L.; Harris, H. J.; Heath, L.; Kriel, G. J. P.; de Klerk-Lorist, L.-M.; van Schalkwyk, O. L.; Buss, P.; Trujillo, J. D.; Crafford, J. E. et al.; Richt, J. A.; Swanepoel, R.: Extension of sylvatic circulation of African Swine Fever Virus in extralimital warthogs in South Africa. Frontiers in Veterinary Science 8, 746129 (2021)

Gunner, R. M.; Holton, M. D.; Scantlebury, D. M.; Hopkins, P.; Shepard, E. L. C.; Fell, A. J.; Garde, B.; Quintana, F.; Gomez-Laich, A.; Yoda, K. et al.; Yamamoto, T.; English, H.; Ferreira, S.; Govender, D.; Viljoen, P.; Bruns, A.; van Schalkwyk, O. L.; Cole, N. C.; Tatayah, V.; Borger, L.; Redcliffe, J.; Bell, S. H.; Marks, N. J.; Bennett, N. C.; Tonini, M. H.; Williams, H. J.; Duarte, C. M.; van Rooyen, M. C.; Bertelsen, M. F.; Tambling, C. J.; Wilson, R. P.: How often should dead-reckoned animal movement paths be corrected for drift? Animal Biotelemetry 9 (1), 43 (2021)

Gunner, R. M.; Holton, M. D.; Scantlebury, M. D.; van Schalkwyk, O. L.; English, H. M.; Williams, H. J.; Hopkins, P.; Quintana, F.; Gomez-Laich, A.; Borger, L. et al.; Redcliffe, J.; Yoda, K.; Yamamoto, T.; Ferreira, S.; Govender, D.; Viljoen, P.; Bruns, A.; Bell, S. H.; Marks, N. J.; Bennett, N. C.; Tonini, M. H.; Duarte, C. M.; van Rooyen, M. C.; Bertelsen, M. F.; Tambling, C. J.; Wilson, R. P.: Dead-reckoning animal movements in R: a reappraisal using Gundog.Tracks. Animal Biotelemetry 9 (1), 23 (2021)

Jolles, A.; Gorsich, E.; Gubbins, S.; Beechler, B.; Buss, P.; Juleff, N.; de Klerk-Lorist, L. M.; Maree, F.; Perez-Martin, E.; van Schalkwyk, O. L. et al.; Scott, K.; Zhang, F. Q.; Medlock, J.; Charleston, B.: Endemic persistence of a highly contagious pathogen: Foot-and-mouth disease in its wildlife host. Science 374 (6563), pp. 104 - 109 (2021)

Marneweck, C. J.; van Schalkwyk, O. L.; Marneweck, D. G.; Beverley, G.; Davies-Mostert, H. T.; Parker, D. M.: Reproductive state influences the degree of risk tolerance for a seasonally breeding mesopredator. Behavioral Ecology 32, pp. 717 - 727 (2021)