Published research output b. L. Penzhorn




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PUBLISHED RESEARCH OUTPUT – B.L. PENZHORN

2015
VAN VUUREN, M. & PENZHORN, B.L. 2015. Geographic range of vector-borne infections and their vectors: the role of African wildlife. OIE Scientific and Technical Review 34(1) (in press)

JUNKER, K., HORAK, I.G. & PENZHORN, B.L. 2015. History and development of research on wildlife parasites in southern Africa, with emphasis on terrestrial mammals, especially ungulates. International Journal for Parasitology: Parasites and Wildlife (doi: 10.1016/j.ijppaw.2014.12.003


2014
CONRADIE VAN WYK, I., GODDARD, A., BRONSVOORT, B.M.deC, COETZER, J.A.W., HANDEL, I.C., HANOTTE, O., JENNINGS, A., LESOSKY, M., KIARA, H., POOLE, J.E., THUMBI, S.M., TOYE, P., WOOLHOUSE, M.W. & PENZHORN, B.L. 2014. The impact of co-infections on the haematological profile of East African Short-horn Zebu calves. Parasitology 141: 374-388 (doi: 10.1017/S0031182013001625)

ADAMU, M., TROSKIE, M., OSHADU, D.O., MALATJI, D.P., PENZHORN, B.L. & MATJILA, P.T. 2014. Occurrence of tick-transmitted pathogens in dogs in Jos, Plateau State, Nigeria. Parasites & Vectors 7:119; DOI: 10.1186/1756-3305-7-119


2013
BOSMAN, A.-M., OOSTHUIZEN, M.C., VENTER, E.H., STEYL, J.C.A., GOUS, T.A. & PENZHORN, B.L. 2013. Babesia lengau associated with cerebral and haemolytic babesiosis in two domestic cats. Parasites & Vectors 6: 128 (doi:10.1186/1756-3305-6-128)

CONRADIE VAN WYK, I., GODDARD, A., BRONSVOORT, B.M.deC, COETZER, J.A.W., HANDEL, I.C., HANOTTE, O., JENNINGS, A., LESOSKY, M., KIARA, H., POOLE, J.E., THUMBI, S.M., TOYE, P., WOOLHOUSE, M.W. & PENZHORN, B.L. 2013. The impact of co-infections on the haematological profile of East African Short-horn Zebu calves. Parasitology (doi: S0031/82013001625)

MBIZENI, S., POTGIETER, F.T., TROSKIE, C., MANS, B.J., PENZHORN, B.L. & LATIF, A.A. 2013. Field and laboratory studies on Corridor disease (Theileria parva infection) in cattle populations at the livestock/game interface of uPhongolo-Mkuze area, South Africa. Ticks and Tick-borne Diseases 4: 227-234 (doi.org/10.1016/j.ttbdis.2012.11.005)
2012
BANETH, G., BOURDEAU, P., BOURDOISEAU, G., BOWMAN, D., BREITSCHWERDT, E., CAPELLI, G., CARDOSO, L., DANTAS-TORRES, F., DAY, M., DEDET, J.-P., DOBLER, G., FERRER, L., IRWIN, P., KEMPF, V., KOHN, B., LAPPIN, M., LITTLE, S., MAGGI, R., MIRÓ, G., NAUCKE, T., OLIVA, G., OTRANTO, D., PENZHORN B., PFEFFER, M., ROURA, X., SAINZ, A., SHWA, S., SHIN, S., SOLANO-GALLEGO, L., STRAUBINGER, R., TRAUB, R., TREES, A., TRUYEN, U., DEMONCEAU, T., FITZGERALD, R., GATTI, D., HOSTETLET, J., KLIMER, B., KRIEGER, K., MENCKE, N., MENDÃO, C., MOTTIER, L., PACHNICKE, S., REES, B., SIBETER, S., STANNECK, D., MINGOTE, M.T., VON SIMSON, C. & WESTON, S. 2012. Vector-borne diseases – constant challenge for practicing veterinarians: recommendations for the CVBD World Forum. Parasites & Vectors 5: 55 (doi:10.1186/1756-3305-5-55)

CONRADIE VAN WYK, I., GODDARD, A., BRONSVOORT, B.M.DeC., COETZER, J.A.W., BOOTH, C., HANOTTE, O., JENNINGS, A., KIARA, H., MASHEGO, P., MULLER, C., PRETORIUS, G., POOLE, E.J., THUMBI, S.M., TOYE, P., WOOLHOUSE, M.E.J. & PENZHORN, B.L. 2012. Hematological profile of East African Short-Horn Zebu calves: Neonate to 51 weeks of age. Comparative Clinical Pathology 22: 1029-1036 (doi: 10.1007/s00580-012-1522-6)

KARIUKI, E.K., PENZHORN, B.L. & HORAK, I.G. 2012. Ticks (Acari: Ixodidae) on cattle and African buffaloes in the Tsavo Conservation Area, Kenya. Onderstepoort Journal of Veterinary Research 79 (1), 4 pages (doi: 10.4102/ojvr.v79i1.437)
2011
BROTHERS, P.S., COLLINS, N.E., OOSTHUIZEN, M.C., BHOORA, R., TROSKIE, M. & PENZHORN, B.L. 2011. Occurrence of blood-borne tick-transmitted parasites in common tsessebe (Damaliscus lunatus) antelope in Northern Cape Province, South Africa. Veterinary Parasitology 183: 160-165 (doi:10.1016/j.vetpar.2011.06.015)

GOVENDER, D., OOSTHUIZEN, M.C. & PENZHORN, B.L. 2011. Piroplasm parasites of white rhinoceroses (Ceratotherium simum) in the Kruger National Park, and their relation to anaemia. Journal of the South African Veterinary Association 82: 36-40 (doi: 10.4102/jsava.v82i1.31)

PENZHORN, B.L. 2011. Why is Southern African canine babesiosis so virulent? An evolutionary perspective. Parasites & Vectors 4:51 (doi:10.1186/1756-3305-4-51)

PFITZER, S., OOSTHUIZEN, M.C., BOSMAN, A.-M., VORSTER, I. & PENZHORN, B.L. 2011. Tick-borne blood parasites in nyala (Tragelaphus angasii) from KwaZulu-Natal, South Africa. Veterinary Parasitology 176: 126-131 (doi: 10.1016/j.vetpar.2010.11.006)


2010

BHOORA, R., ALLSOPP, M.T.E.P., BUSS, P., GUTHRIE, A.J., PENZHORN, B.L. & COLLINS, N.E. 2010. Genetic diversity of piroplasms in plains zebra (Equus quagga burchellii) and Cape mountain zebra (Equus zebra zebra) in South Africa. Veterinary Parasitology 174: 145-149 (doi: 10.1016/j.vetpar.2010.08.014)

BOSMAN, A.-M., OOSTHUIZEN, M.C., PEIRCE, M.A., VENTER, E.H. & PENZHORN, B.L. 2010. Babesia lengau sp. nov., a novel Babesia species in cheetah (Acinonyx jubatus, Schreber, 1775) populations in South Africa. Journal of Clinical Microbiology 48: 2703-2708 (doi: 10.1128/JCM.02266-09)

KEET, D.F., MICHEL, A.L., BENGIS, R.G., BECKER, P., VAN DYK, D.S., VAN VUUREN , M., RUTTEN, V.P.M.G. & PENZHORN, B.L. 2010. Intradermal tuberculin testing of wild African lions (Panthera leo) naturally exposed to infection with Mycobacterium bovis. Veterinary Microbiology 144: 384-391 (doi: 10.1016/j.vetmic.2010.01.028)

YUSUFMIA, S.B.A.S., COLLINS, N.E., NKUNA, R., TROSKIE, M., VAN DEN BOSSCHE, P. & PENZHORN, B.L. 2010. Occurrence of Theileria parva and other haemoprotozoa in cattle at the edge of Hluhluwe-iMfolozi Park, KwaZulu-Natal, South Africa. Journal of the South African Veterinary Association 81: 45-49 (doi: 10.4102/jsava.v81i1.95)

ZORLONI, A., PENZHORN, B.L. & ELOFF, J.N. 2010. Extracts of Calpurnia aurea leaves from southern Ethiopia attract and immobilise or kill ticks. Veterinary Parasitology 168: 160-164 (doi: 10.1016/j.vetpar.2009.10.026)



2009

BHOORA, R., FRANSSEN, L., OOSTHUIZEN M.C., BUTLER C.M., VAN DER KOLK J.H., GUTHRIE A.J., ZWEYGARTH E., PENZHORN B.L., JONGEJAN F. & COLLINS N.E. 2009. Variation in 18S rRNA gene sequences of Theileria equi and Babesia caballi in South Africa. Veterinary Parasitology 159: 112-120 (doi: 10.1016/j.vetpar.2008.10.004)

LAMPEN, F., BHOORA, R., COLLINS, N.E. & PENZHORN, B.L. 2009. Putative clinical piroplasmosis in a Burchell’s zebra (Equus quagga burchelli). Journal of the South African Veterinary Association 80: 257-260 (doi: 10.4102/jsava.v80i4.223)

MATJILA, P.T., CARCY, B., LEISEWITZ, A.L., SCHETTERS, T., JONGEJAN, F. & PENZHORN, B.L. 2009. The BrEMA1 gene: a tool for correlating Babesia rossi genotypes and clinical manifestation of canine babesiosis. Journal of Clinical Microbiology 47: 3586-3592 (doi: 10.1128/JCM.01110-08)

NDHLOVU, D.N., MAKAYA, P.V. & PENZHORN, B.L. 2009. Tick infestation and udder and teat damage in selected cattle herds of Matabeleland South, Zimbabwe. Onderstepoort Journal of Veterinary Research 76: 235-248 (doi: 10.4102/ojvr.v76i2.48)

OOSTHUIZEN, M.C., ALLSOPP, B.A., TROSKIE, M., COLLINS, N.E. & PENZHORN, B.L. 2009. Identification of novel Babesia and Theileria species in South African giraffe (Giraffa camelopardalis, Linnaeus 1758) and roan antelope (Hippotragus equinus, Desmarest 1804). Veterinary Parasitology 163: 39-46 (doi: 10.1016/j.vetpar.2009.03.045)



2008

MATJILA, P.T., LEISEWITZ, A.L., JONGEJAN, F., BERTSCHINGER, H.J. & PENZHORN, B.L. 2008. Molecular detection of Babesia rossi and Hepatozoon sp. in African wild dogs (Lycaon pictus) in South Africa. Veterinary Parasitology 157: 123-127 (doi: 10.1016/j.vetpar.2008.07.016)

MATJILA, P.T., LEISEWITZ, A.L., JONGEJAN, F. & PENZHORN, B.L. 2008. Molecular detection of tick-borne protozoal and ehrlichial infections in domestic dogs in South Africa. Veterinary Parasitology 155: 152-157 (doi: 10.1016/j.vetpar.2008.04.012)

MATJILA, P.T., LEISEWITZ, A.L., OOSTHUIZEN, M.C., JONGEJAN, F. & PENZHORN, B.L. 2008. Detection of a Theileria species in dogs in South Africa. Veterinary Parasitology 157: 34-40 (doi: 10.1016/j.vetpar.2008.06.025)

NGERANWA, J.J.N., SHOMPOLE, S.P., VENTER, E.H., WAMBUGU, A., CRAFFORD, J.E. & PENZHORN, B.L. 2008. Detection of Anaplasma antibodies in wildlife and domestic species in wildlife-livestock interface areas of Kenya by major surface protein 5 competitive inhibition enzyme-linked immunosorbent assay. Onderstepoort Journal of Veterinary Research 75: 199-205 (doi: 10.4102/ojvr.v75i3.95)

OOSTHUIZEN, M.C., ZWEYGARTH, E., COLLINS, N.E. & PENZHORN, B.L. 2008. Identification of a novel Babesia sp. from sable antelope (Hippotragus niger). Journal of Clinical Microbiology 46: 2247-2251 (doi: 10.1128/JCM.00167-08)

PENZHORN, B.L., OOSTHUIZEN, M.C., BOSMAN, A.M., KILIAN, J.W. & HORAK, I.G. 2008. Black rhinoceros Diceros bicornis populations in northwestern Namibia are apparently not infected with piroplasms. Journal of Wildlife Diseases 44: 1032-1035 (http://www.jwildlifedis.org/content/44/4/1032.full.pdf+html)

THOMPSON, B.E., LATIF, A.A., OOSTHUIZEN, M.C., TROSKIE, M. & PENZHORN, B.L. 2008. Occurrence of Theileria parva infection in cattle on a farm in the Ladysmith district, KwaZulu-Natal, South Africa. Journal of the South African Veterinary Association 79: 31-35 (doi: 10.4102/jsava.v79i1.237)



2007

ABU SAMRA, N., McCRINDLE, C.M.E., PENZHORN, B.L. & CENCI-GOGA, B. 2007. Seroprevalence of toxoplasmosis in sheep in South Africa. Journal of the South African Veterinary Association 78: 116-120 (doi: 10.4102/jsava.v78i3.301)

ALLSOPP, M.T.E.P., LEWIS, B.D. & PENZHORN, B.L. 2007. Molecular evidence for transplacental transmission of Theileria equi from carrier mares to their apparently healthy foals. Veterinary Parasitology 148: 130-136 (doi: 10.1016/j.vetpar.2007.05.017)

BOSMAN, A-M., VENTER, E.H. & PENZHORN, B.L. 2007. Occurrence of Babesia felis and Babesia leo in domestic cats and various wild felid species in Southern Africa, based on reverse line blot analysis. Veterinary Parasitology 144: 33-38 (doi: 10.1016/j.vetpar.2006.09.025)

MATJILA, P.T., PENZHORN, B.L., LEISEWITZ, A.L., BHOORA, R. & BARKER, R. 2007. Molecular characterization of Babesia gibsoni infection from a Pit-bull terrier pup recently imported into South Africa. Journal of the South African Veterinary Association 78: 2-5 (doi: 10.4102/jsava.v78i1.277)

2006

KJEMTRUP, A.M., WAINWRIGHT, K., MILLER, M., PENZHORN, B.L. & CARRENO, R.A. 2006. Babesia conradae, sp. nov., a small canine Babesia identified in California. Veterinary Parasitology 138: 103-111 (doi: 10.1016/j.vetpar.2006.01.044)

PARSONS, S.D.C., PENZHORN, B.L., REYERS, F., STEYL, J.A. & BECKER, P. 2006. Erythrocyte morphology and haemoglobin types of neonatal roan antelope (Hippotragus equinus) displaying a hypochromic, poikilocytic anaemia. Journal of Comparative Pathology 134: 153-160 (doi: 10.1016/j.jcpa.2005.09.008)

PENZHORN, B.L. 2006. Babesiosis of wild carnivores and ungulates. Veterinary Parasitology 138: 11-21 (doi: 10.1016/j.vetpar.2006.01.0360)

PENZHORN, B.L., SCHOEMAN, T. & JACOBSON, L.S. 2006. Feline babesiosis: and endemic South African disease. Japanese Journal of Veterinary Parasitology 5: 2-7(invited review paper)

TØNNESEN, M.H., PENZHORN, B.L., BRYSON, N.R., STOLTSZ, W.H. & MASIBIGIRI, T. 2006. Seroprevalence of Babesia bovis and Babesia bigemina in cattle in the Soutpansberg region, Limpopo Province, South Africa, associated with changes in vector-tick populations. Journal of the South African Veterinary Association 77: 61-65 (doi: 10.4102/jsava.v77i2.345)

VAN DEN BOSSCHE, P., ESTERHUIZEN, J., NKUNA, R., MATJILA, P.T., PENZHORN, B.L., GEERTS, S. & MARCOTTY, T. 2006. An update of the bovine trypanosomosis situation at the edge of Hluhluwe-iMfolozi Park, KwaZulu-Natal Province, South Africa. Onderstepoort Journal of Veterinary Research 73: 77-79 (doi: 10.4102/ojvr.v73i1.172)

VAN DER MERWE, M., VAN DER MERWE, N.J. & PENZHORN, B.L. 2006. Reproductive strategy in the seasonally breeding non-hibernating yellow house bat, Scotophilus dinganii (A. Smith, 1833). African Zoology 41: 67-74 (doi: 10.3377/1562-7020(2006)41[67:AORITS]2.0.CO;2)



2005

JAMAL, S., SIGAUQUE, I., MACUAMULE, C., NEVES, L., PENZHORN, B.L., MARCOTTY T, &. VAN DEN BOSSCHE, P. 2005. The susceptibility of Trypanosoma congolense isolated in Zambézia Province (Mozambique) to isometamidium chloride, diminazene aceturate and homidium chloride. Onderstepoort Journal of Veterinary Research 72: 333-338 (doi: 10.4102/ojvr.v72i4.190)

MATJILA, P.T., NIJHOF, A.M., TAOUFIK, A., HOUWERS, D., TESKE, E., PENZHORN, B.L., DE LANGE, T. & JONGEJAN, F. 2005. Autochthonous canine babesiosis in The Netherlands. Veterinary Parasitology 131: 23-29 (doi: 10.1016/j.vetpar.2005.04.020)

NIJHOF, A.M., PILLAY, V., STEYL, J., PROZESKY, L., STOLTSZ, W.H., LAWRENCE, J.A., PENZHORN, B.L. & JONGEJAN, F. 2005. Molecular characterization of Theileria species associated with mortality in four species of African antelopes. Journal of Clinical Microbiology 43: 5907-5911 (doi: 10.1128/JCM.43.12.5907-5911.2005)

PETER, R.J., VAN DEN BOSSCHE, P., PENZHORN, B.L. & SHARP, B. 2005. Tick, fly, and mosquito control – lessons from the past, solutions for the future. Veterinary Parasitology 132: 205-215 (doi: 10.1016/j.vetpar.2005.07.004)

2004

TØNNESEN, M.H., PENZHORN, B.L., BRYSON, N.R., STOLTSZ, W.H. & MASIBIGIRI, T. 2004. Displacement of Boophilus decoloratus by Boophilus microplus in the Soutpansberg region, Limpopo Province, South Africa. Experimental and Applied Acarology 32: 199-208 (doi: 10.1016/j.vetpar.2005.04.020)

MATJILA, P.T., PENZHORN, B.L., BEKKER, C.P.J., NIJHOF, A.M. & JONGEJAN, F. 2004. First record of Babesia canis vogeli in domestic dogs in South Africa. Veterinary Parasitology 122: 119-125 (doi: 10.1016/j.vetpar.2004.03.019)

PENZHORN, B.L., SCHOEMAN, T. & JACOBSON, L.S. 2004. Feline babesiosis in South Africa: A review. Annals of the New York Academy of Sciences 1026: 183-186 (doi: 10.1196/annals.1307.027)

REGASSA, A., PENZHORN, B.L. & BRYSON, N.R. 2004. Progression towards endemic stability to bovine babesiosis in cattle introduced onto a game ranch. Onderstepoort Journal of Veterinary Research 71: 333-336 (doi: 10.4102/ojvr.v71i4.254)

2003

NIJHOF, A., PENZHORN, B.L., LYNEN, G., MOLLEL, J.O., BEKKER, C. & JONGEJAN, F. 2003. Babesia bicornis sp. n. and Theileria bicornis sp. n.: Tick-borne parasites associated with mortality in the black rhinoceros (Diceros bicornis). Journal of Clinical Microbiology 41: 2249-2254(doi: 10.1128/JCM.41.5.2249-2254.2003)

REGASSA, A., PENZHORN, B.L. & BRYSON, N.R. 2003. Attainment of endemic stability to Babesia bigemina in cattle on a South African ranch where non-intensive tick control was applied. Veterinary Parasitology 116: 267-274 (doi: 10.1016/j.vetpar.2003.07.011)

2002

MATJILA, P.T. & PENZHORN, B.L. 2002. Occurrence and diversity of bovine coccidia at three sites in South Africa. Veterinary Parasitology 104: 93-102 (doi: 10.1016/S0304-4017(01)00605-7)

PENZHORN, B.L., STYLIANIDES, E., VAN VUUREN, M., ALEXANDER, K., MELTZER, D.G.A. & MUKARATI, N. 2002. Seroprevalence of Toxoplasma gondii in free-ranging lion and leopard populations in Southern Africa. South African Journal of Wildlife Research 32: 163-165

2001

PEIRCE, M.A., ANDERSON, M.D. & PENZHORN, B.L. 2001. Piroplasmosis in the aardwolf (Proteles cristatus). Veterinary Record 149: 561-562 (doi: 10.1136/vr.149.18.561)

PENZHORN, B.L., KJEMTRUP, A.E., LÓPEZ-REBOLLAR, L.M. & CONRAD, P.A. 2001. Babesia leo n. sp. from lions in the Kruger National Park, South Africa, and its relation to other small piroplasms. Journal of Parasitology 87: 681-685 (: 10.1645/0022-3395(2001)087[0681:BLNSFL]2.0.CO;2)

SCHOEMAN, T., LOBETTI, R.G., JACOBSON, L.S. & PENZHORN, B.L. 2001. Feline babesiosis: signalment, clinical pathology and co-infections. Journal of the South African Veterinary Association 72: 4-11 (doi: 10.4102/jsava.v72i1.601)



2000

PENZHORN, B.L. 2000. Coccidian oocyst and nematode egg counts of free-ranging African buffalo (Syncerus caffer) in the Kruger National Park, South Africa. Journal of the South African Veterinary Association 71: 106-108 (doi: 10.4102/jsava.v71i2.689)

PENZHORN, B.L., LEWIS, B.D., LOPEZ-REBOLLAR, L.M. & SWAN, G.E. 2000. Screening of five drugs for efficacy against Babesia felis in experimentally infected cats. Journal of the South African Veterinary Association 71: 53-57 (doi: 10.4102/jsava.v71i1.678)

PRIOR TO 2000

LOPEZ-REBOLLAR, L.M., PENZHORN, B.L., DE WAAL, D.T. & LEWIS, B.D. 1999. A possible new piroplasm in lions from the Republic of South Africa. Journal of Wildlife Diseases 35: 82-85

HARPER, C.K. & PENZHORN, B.L. 1999. Occurrence and diversity of coccidia in indigenous, Saanen and crossbred goats in South Africa. Veterinary Parasitology 82: 1-9

PENZHORN, B.L., STYLIANIDES, E., COETZEE, M.A., VILJOEN, J.M. & LEWIS, B.D. 1999. A focus of feline babesiosis at Kaapschehoop on the Mpumalanga escarpment. Journal of the South African Veterinary Association 70: 60

LEWIS, B.D., PENZHORN, B.L. & VOLKMANN, D.H. 1999. Could treatment of pregnant mares prevent abortions due to equine piroplasmosis? Journal of the South African Veterinary Association 70: 90-91

NGERANWA, J.J.N., VENTER, E.H., PENZHORN, B.L., SOI, R.K., MWANZIA, J. & NYONGESA (sic). 1998. Characterization of Anaplasma isolates from eland (Taurotragus oryx): Pathogenicity in cattle and sheep and DNA profiles analysis. Veterinary Parasitology 74: 109-122

PENZHORN, B.L., DURAND D.T., LANE, E., IDE, A. & HOFMEYR, M.S. 1998. Recovery of Sarcocystis oocysts from a free-ranging wild dog (Lycaon pictus). Journal of the South African Veterinary Association 69: 42

HARPER, C.K. & PENZHORN, B.L. 1998. Seasonal occurrence of coccidia in a mixed herd of sheep and goats at Nebo, Northern Province, South Africa. Journal of the South African Veterinary Association 69: 93-94

KNAPP, S.E., KRECEK, R.C., HORAK, I.G. & PENZHORN, B.L. 1997. Helminths and arthropods of black and white rhinoceroses in southern Africa. Journal of Wildlife Diseases 33: 492-502

PENZHORN, B.L. & KRECEK, R.C. 1997. Veterinary parasitology in South Africa: some highlights of the past 100 years. Veterinary Parasitology 71: 69-79

LEWIS, B.D., PENZHORN, B.L., DE WAAL, D.T. & LÓPEZ REBOLLAR, L.M. 1996. Isolation of a South African vector-specific strain of Babesia canis. Veterinary Parasitology 63: 9-16

PENZHORN, B.L., KEET. D.F. & BENGIS, R.G. 1996. A trypanosomatid organism on blood smears made from a waterbuck Kobus ellipsiprymnus carcass in the Kruger National Park. Journal of the South African Veterinary Association 67: 4-5

LEWIS, B.D., PENZHORN, B.L. & LÓPEZ REBOLLAR, L.M. 1995. Immune responses to South African Babesia canis and the development of a preliminary vaccine. Journal of the South African Veterinary Association 66: 61-65

PENZHORN, B.L., LEWIS, B.D., DE WAAL, D.T. & LÓPEZ REBOLLAR, L.M. 1995. Sterilisation of Babesia canis infections by imidocarb alone or in combination with diminazene. Journal of the South African Veterinary Association 66: 157-159

HORAK, I.G., SPICKETT, A.M., BRAACK, L.E.O., PENZHORN, B.L., BAGNALL, R.J. & UYS, A.C. 1995. Parasites of domestic and wild animals in South Africa. XXXIII. Ixodid ticks on scrub hares in the north-eastern regions of Northern and Eastern Transvaal and of KwaZulu-Natal. Onderstepoort Journal of Veterinary Research 62: 123-131

SOMERS, M.J., RASA, O.A.E. & PENZHORN, B.L. 1995. Group structure and social behaviour of warthogs Phacochoerus aethiopicus. Acta Theriologica 40: 257-281

PENZHORN, B.L., KNAPP, S.E. & SPEER, C.A. 1994. Enteric coccidia in free-ranging American bison (Bison bison) in Montana. Journal of Wildlife Diseases 30: 267-269

PENZHORN, B.L., BOOTH, L.M. & MELTZER, D.G.A. 1994. Isospora rivolta recovered from cheetah faeces. Journal of the South African Veterinary Association 65: 2

PENZHORN, B.L., ROGNLIE, M.C., HALL, L.L. & KNAPP, S.E. 1994. Enteric coccidia of Cashmere goats in southwestern Montana, USA. Veterinary Parasitology 55: 137-142

PENZHORN, B.L. & CHAPARRO, F. 1994. Prevalence of Babesia cynicti infection in three populations of yellow mongooses Cynictis penicillata in the Transvaal, South Africa. Journal of Wildlife Diseases 30: 557-559

SOMERS, M.J., PENZHORN, B.L. & RASA, O.A.E. 1994. Home range size, range use and dispersal of warthogs. Journal of African Zoology 108: 363-371

PENZHORN, B.L. & VAN DER MERWE, N.J. 1993. Testis size and spermatogenesis of tsessebes from Nylsvley Nature Reserve, Transvaal. Koedoe 36(1): 95-98

PENZHORN, B.L., VAN DER MERWE, N.J. & PENRITH, M.L. 1993. Corpora amylacea in seminal vesicles and ampullae of tsessebe antelopes (Damaliscus lunatus). Veterinary Record 133: 244-245

HORAK, I.G., SPICKETT, A.M., BRAACK, L.E.O. & PENZHORN, B.L. 1993. Parasites of domestic and wild animals in South Africa. XXXII. Ixodid ticks on scrub hares in the Transvaal. Onderstepoort Journal of Veterinary Research 60: 163-174

PENZHORN, B.L., HORAK, I.G., SPICKETT, A.M. & BRAACK, L.E.O. 1993. Observations on reproduction and morphometrics of scrub hares in the Kruger National Park. South African Journal of Wildlife Research 23: 74-77

PENZHORN, B.L., DE CRAMER, K.G.M. & BOOTH, L.M. 1992. Coccidial infection in German Shepherd Dog pups in a breeding unit. Journal of the South African Veterinary Association 63: 27-29

BENNETT, G.F., EARLÉ, R.A. & PENZHORN, B.L. 1992. Ornithodoros peringueyi (Argasidae) and Xenopsylla trispinis (Siphonaptera), intermediate hosts of Hepatozoon atticorae of the South African cliff swallow, Hirundo spilodera. Canadian Journal of Zoology 70: 188-190

SOMERS, M.J. & PENZHORN, B.L. 1992. Reproduction in a reintroduced warthog population in the eastern Cape Province. South African Journal of Wildlife Research 22: 57-60

PENZHORN, B.L. & NOVELLIE, P.A. 1991. Some behavioural traits of Cape mountain zebras (Equus zebra zebra) and their implications for the management of a small conservation area. Applied Animal Behaviour Science 29: 293-299

McINNES, E.F., STEWART, C.G., PENZHORN, B.L. & MELTZER, D.G.A. 1991. An outbreak of babesiosis in imported sable antelope (Hippotragus niger). Journal of the South African Veterinary Association 62: 30-32

PENZHORN, B.L., HORAK, I.G., SPICKETT, A.M. & BRAACK, L.E.O. 1991. Morphometrics of helmeted guineafowls Numida meleagris from the Kruger National Park. South African Journal of Wildlife Research 21: 62-66

EARLÉ, R.A., HORAK, I.G., HUCHZERMEYER, F.W., BENNETT, G.F., BRAACK, L.E.O. & PENZHORN, B.L. 1991. The prevalence of blood parasites in helmeted guineafowls, Numida meleagris, in the Kruger National Park. Onderstepoort Journal of Veterinary Research 58: 145-147

KRECEK, R.C., BOOMKER, J., PENZHORN, B.L. & SCHEEPERS, L. 1990. Internal parasites of giraffes (Giraffa camelopardalis angolensis) from Etosha National Park, Namibia. Journal of Wildlife Diseases 26: 395-397

PENZHORN, B.L. & LANGE, A.L. 1990. Hepatozoon and Ehrlichia in the same canine neutrophil. Journal of the South African Veterinary Association 61: 95

PENZHORN, B.L. 1990. Parasitologie: 'n raakvlak tussen Veeartsenykunde en Dierkunde. Publikasies Universiteit van Pretoria, Nuwe Reeks 271: 1-14

SMUTS, M.M.S. & PENZHORN, B.L. 1988. Anatomical differences between the skulls of Equus zebra and Equus burchelli. South African Journal of Zoology 23: 328-336

PENZHORN, B.L. & HORAK, I.G. 1989. Starlings, mountain zebras and ticks. Koedoe 32: 133-134

PENZHORN, B.L. 1988. Equus zebra. Mammalian Species 314: 1-7

PENZHORN, B.L. & VAN DER MERWE, N.J. 1988. Testis size and onset of spermatogenesis in Cape mountain zebras (Equus zebra zebra). Journal of Reproduction and Fertility 83: 371-375

PENZHORN, B.L. & RAUTENBACH, I.L. 1988. Reproduction of the Egyptian fruit bat Rousettus aegyptiacus in the southern tropics. South African Journal of Wildlife Research 18: 88-92

VAN DER MERWE, N.J., RAUTENBACH, I.L. & PENZHORN, B.L. 1988. A new pattern of early embryonic development in the seasonally breeding non-hibernating lesser yellow house bat Scotophilus borbonicus (E. Geoffroy, 1803)(Chiroptera: Vespertilionidae). Annals of the Transvaal Museum 34: 551-556

PENZHORN, B.L. 1987. Descriptions of incisors of known-age Cape mountain zebras, Equus zebra zebra, from the Mountain Zebra National Park. Onderstepoort Journal of Veterinary Research 54: 135-141

PENZHORN, B.L. & LLOYD, P.H. 1987. Comparisons of reproductive parameters of two Cape mountain zebra populations. Journal of Reproduction and Fertility, Supplement 35: 661-663

PENZHORN, B.L. & GRIMBEEK, R.J. 1987. Incisor wear in free-ranging Cape mountain zebras. South African Journal of Wildlife Research 17: 99-102

VAN DER VEEN, H.J. & PENZHORN, B.L. 1987. The chromosomes of the tsessebe Damaliscus lunatus. South African Journal of Zoology 22: 311-313

PENZHORN, B.L. & PETRICK, S.W.T. 1986. Hydrocoele associated with unilateral inguinal hernia in a young Basset hound. Journal of Small Animal Practice 27: 81-84

PENZHORN, B.L., BERTSCHINGER, H.J. & COUBROUGH, R.I. 1986. Reconception of mares following termination of pregnancy with Prostaglandin F before and after day 35 of pregnancy. Equine Veterinary Journal 18: 215-217

PENZHORN, B.L. 1985. Reproductive characteristics of a free-ranging population of Cape mountain zebra (Equus zebra zebra). Journal of Reproduction and Fertility 73: 51-57

PENZHORN, B.L. & GILBERT, R.O. 1985. Induction of oestrus and ovulation by means of Prostaglandin and Gonadoliberin (GnRH) treatment in an old mare barren for 2 breeding seasons. Journal of the South African Veterinary Association 56: 53-54

PENZHORN, B.L., GILBERT, R.O. & VAN HEERDEN, J. 1985. Hydrallantois in a bovine, leading to rupture of the prepubic tendon and abdominal musculature. Journal of the South African Veterinary Association 56: 115

PENZHORN, B.L. 1985. Necrosis and abscessation of placental sites in a Pekingese bitch. Journal of the South African Veterinary Association 56: 135-136

PENZHORN, B.L. 1985. An old reference to hartebeest in the Transvaal Lowveld. Koedoe 28: 69-71

PENZHORN, B.L. 1984. A long-term study of social organisation and behaviour of Cape mountain zebras. Zeitschrift für Tierpsychologie (now Ethology) 64: 97-146

PENZHORN, B.L. 1984. Dental abnormalities in free-ranging Cape mountain zebras (Equus zebra zebra). Journal of Wildlife Diseases 20: 161-166

PENZHORN, B.L. 1984. Observations on mortality of free-ranging Cape mountain zebras Equus zebra zebra. South African Journal of Wildlife Research 14: 89-90

PENZHORN, B.L. 1982. Habitat selection by Cape mountain zebras in the Mountain Zebra National Park. South African Journal of Wildlife Research 12: 48-54

PENZHORN, B.L. 1982. Age determination in Cape mountain zebras in the Mountain Zebra National Park. Koedoe 25: 89-102

PENZHORN, B.L. 1982. Soil-eating by Cape mountain zebras in the Mountain Zebra National Park. Koedoe 25: 83-88

PENZHORN, B.L. 1982. Home range sizes of Cape mountain zebras in the Mountain Zebra National Park. Koedoe 25: 103-108.

PENZHORN, B.L. 1982. A partial albino Cape Glossy Starling. Ostrich 53: 20

PENZHORN, B.L. 1981. Association between birds and mountain zebras. Ostrich 52: 63-64

PENZHORN, B.L. 1979. Social organisation of the Cape mountain zebra Equus z. zebra in the Mountain Zebra National Park. Koedoe 22: 115-156

ERASMUS, T., PENZHORN, B.L. & FAIRALL, N. 1978. Chemical composition of faeces as an index of veld quality. South African Journal of Wildlife Research 8: 19-24

PENZHORN, B.L. 1978. Body growth of the springbok Antidorcas marsupialis in the Mountain Zebra National Park. South African Journal of Wildlife Research 8: 171-172

PENZHORN, B.L. 1978. Growth of a Pied Crow nestling. Ostrich 49: 85-86

PENZHORN, B.L. 1977. A note on the re-introduction of grey rhebuck Pelea capreolus to the Addo Elephant National Park. Koedoe 20: 201

PENZHORN, B.L. 1977. Toevoegings tot die blomplantlys van die Bergkwagga Nasionale Park. Koedoe 20: 203-204

PENZHORN, B.L. 1977. Further bird records from the Bontebok and Mountain Zebra National Parks. Koedoe 20: 205-207

HALL-MARTIN, A.J. & PENZHORN, B.L. 1977. Behaviour and recruitment of translocated black rhinoceros Diceros bicornis. Koedoe 20: 147-162

PENZHORN, B.L. & BRONKHORST, P.J.L. 1976. Additions to the checklist of birds of the Mountain Zebra National Park. Koedoe 19: 171-174

PENZHORN, B.L. & VAN STRAATEN, P.F. 1976. Additions to the check-list of birds of the Addo Elephant National Park. Koedoe 19: 177-178

DE GRAAFF, G. & PENZHORN, B.L. 1976. The re-introduction of springbok Antidorcas marsupialis into South African national parks - a documentation. Koedoe 19: 75-82

JOUBERT, S.C.J., DE VOS, V. & PENZHORN, B.L. 1975. Mammal research in the national parks of South Africa. Publikasies Universiteit van Pretoria, Nuwe Reeks 97: 20-31

PENZHORN, B.L. 1974. Sex and age composition and dimensions of the springbok (Antidorcas marsupialis) population in the Mountain Zebra National Park. Journal of the Southern African Wildlife Management Association 4: 63-65

PENZHORN, B.L. & OLIVIER, M.C. 1974. A systematic checklist of the flowering plants collected in the Addo Elephant National Park. Koedoe 17: 121-136

PENZHORN, B.L., ROBBERTSE, P.J. & OLIVIER, M.C. 1974. The influence of the African elephant on the vegetation of the Addo Elephant National Park. Koedoe 17: 137-158

PENZHORN, B.L., SEYFARTH, R.M. & SEYFARTH, D. 1974. New distributional data: 5. Black Harrier. Ostrich 45: 134

YOUNG, E., ZUMPT, F., BOOMKER, J., PENZHORN, B.L. & ERASMUS, B. 1973. Parasites and diseases of Cape mountain zebra, black wildebeest, mountain reedbuck and blesbok in the Mountain Zebra National Park. Koedoe 16: 77-81

YOUNG, E. & PENZHORN, B.L. 1972. The reaction of the Cape mountain zebra Equus zebra zebra to certain chemical immobilization drugs. Koedoe 15: 95-96

PENZHORN, B.L. 1971. A note on the sex ratio of steenbok Raphicerus campestris in the Kalahari Gemsbok National Park. Koedoe 14: 61-64

PENZHORN, B.L. 1971. A summary of the re-introduction of ungulates into South African national parks (to 31 December 1970). Koedoe 14: 145-159

PENZHORN, B.L. 1970. A check-list of the flowering plants in the herbarium of the Mountain Zebra National Park. Koedoe 13: 131-146

PENZHORN, B.L. 1969. 'n Nota oor die gebruik van die benaming "kwagga". Koedoe 12: 104-105

PENZHORN, B.L. & MORRIS, A.K. 1969. A supplementary checklist of the birds recorded in the Addo Elephant National Park. Koedoe 12: 106-107



PENZHORN, B.L. & MORRIS, A.K. 1968. New distributional data: 1. House Sparrow. Ostrich 39: 272


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