1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989

1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989


Untitled Document

Volume 56: Number 1

Studies of encephalitozoonosis in vervet monkeys (Cercopithecus pygerythrus) orally inoculated with spores of Encephalitozoon cuniculi isolated from dogs (Canis familiaris)

Van Dellen, A.F.; Stewart, C.G.; Botha, W.S. 1

Afrotropical Culicoides : a redescription of C. (Avaritia) imicola Kieffer, 1913 (Diptera : Ceratopogonidae) with description of the closely allied C. (A.) bolitinos sp. nov. reared from the dung of the African buffalo, blue wildebeest and cattle in South Africa

Meiswinkel, R. 23

The problem of escalating resistance of Haemonchus contortus to the modern anthelmintics in South Africa

Van Wyk, J.A. (Jan Aucamp); Malan, F.S.; Gerber, H.M.; Alves, Regina M.R. 41

Parasites of South African wildlife. III. Helminths of common reedbuck, Redunca arundinum, in Natal

Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik; Flamand, J.R.B.; Keep, M.E. 51

Paralysis of laboratory rabbits by nymphae of Ixodes rubicundus, Neumann 1904 (Acarina: Ixodidae) and some effects on the life-cycle following feeding under different temperature conditions

Spickett, Arthur M.; Elliot, E.G.R.; Heyne, Heloise; Neser, J.A.


Parasites of domestic and wild animals in South Africa. XXIV. Arthropod parasites of bushbuck and common duiker in the Weza State Forest, Natal

Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik; Keep, M.E.; Spickett, Arthur M. 63

The use of electronarcosis as anaesthetic in the cichlid, Oreochromis mossambicus (Peters). III. The effects of changing physical and electrical parameters on the narcotizing ability of half-wave rectified currents

Barham, W.T.; Schoonbee, H.J.; Visser, J.G.J. 67

Clinical pathological changes in gousiekte, a plant-induced cardiotoxicosis of ruminants

Prozesky, Leon; Fourie, Nicole; Kellerman, T. Stephanus; Labuschagne, Leonie; Schultz, R.A. (Rowena Anitra) 73

RESEARCH COMMUNICATIONS: Overberg Research Projects. IV. The development of resistance to Nematodirus in lambs and spontaneous cure of Teladorsagia in weaners

Reinecke, R.K. 81

RESEARCH COMMUNICATIONS: An early record of Culicoides species (Diptera : Ceratopogonidae) developing in the dung of game animals in southern Africa

Dyce, A.L.; Marshall, B.D. 85
Volume 56: Number 2

The isolation and attenuation of a virus causing rhinotracheitis in turkeys in South Africa

Buys, S.B.; Du Preez, J.H.; Els, H.J.


The pathology of blindness in new-born calves caused by hypovitaminosis A

Prozesky, Leon; Van der Lugt, Jaco J. 99

Parasites of South African Wildlife. IV. Helminths of kudu, Tragelaphus strepsiceros, in the Kruger National Park

Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik; De Vos, Valerius 111

The relationship between selenium deficiency and the development of pulmonary and subcutaneous emphysema in bovine ephemeral fever virus-infected cattle

Odiawo, G.O. 123

The isolation of nucleic acid sequences specific for Cowdria ruminantium

Wilkins, S.C.; Ambrosio, R.E. 127

Excretion of alcelaphine herpesvirus-1 by captive and free-living wildebeest ( Connochaetes taurinus)

Barnard, B.J.H.; Bengis, Roy G.; Griessel, M.D.; De Vos, Valerius 131

Epizootology of wildebeest-derived malignant catarrhal fever in an outbreak in the north-western Transvaal : indications of an intermediate host

Barnard, B.J.H.; Griessel, M.D.; Van de Pypekamp, H.E. 135

RESEARCH COMMUNICATION: Nematodirus abnormalis (May, 1920) in sheep in the south-western part of the Cape Province

Louw, J.P.


RESEARCH COMMUNICATION: The use of cephalothin and triphenyltetrazolium chloride impregnated filter paper strips in the identification of Campylobacter species

Pefanis, S.M.; Venter, Catharina G.; Herr, S. 143

RESEARCH COMMUNICATION: Thiaminase activities and thiamine content of Pteridium aquilinum, Equisetum ramosissimum, Malva parviflora, Pennisetum clandestinum and Medicago sativa

Meyer, P. 145
Volume 56: Number 3

Afrotropical Culicoides : Synhelea Kieffer, 1925, resurrected as subgenus to embrace 10 species (Diptera : Ceratopogonidae)

Meiswinkel, R.; Dyce, A.L. 147

Helminth parasites of grysbok, common duikers and Angora and Boer goats in the Valley Bushveld in the eastern Cape Province

Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik; MacIvor, K.M. de F.


Seasonal abundance and parity of Culicoides biting midges associated with livestock at Roma, Lesotho (Diptera : Ceratopogonidae)

Venter, Gert J.; Sweatman, G.K. 173

A selective procedure for the field isolation of pathogenic Streptococcus spp. of rainbow trout ( Salmo gairdneri)

Bragg, R.R. (Robert Richard); Todd, Jacqueline M.; Lordan, Shirley M.; Combrink, Marianne E. 179

Immunity of tick-exposed seronegative and seropositive small stock challenged with two stocks of Cowdria ruminantium

Du Plessis, J.L.; Van Gas, L. 185

The fine structure of developmental stages of Babesia caballi in the salivary glands of Hyalomma truncatum

Blouin, Edmour F.; De Waal, D.T. 189

The heterogenicity of Cowdria ruminantium stocks : cross-immunity and serology in sheep and pathogenicity to mice

Du Plessis, J.L.; Van Gas, L.; Olivier, J.A.; Bezuidenhout, J. Dürr. 195

RESEARCH COMMUNICATIONS: The leech Batracobdelloides tricarinata (Blanchard, 1897) (Hirudinea : Glossiphoniidae) as a possible reservoir of the rainbow trout pathogenic Streptococcus species

Bragg, R.R. (Robert Richard); Oosthuizen, J.H.; Lordan, Shirley M. 203

RESEARCH COMMUNICATIONS: Serological evidence of Q fever in cattle in Malawi

Myburgh, Jan G.; Staley, G.P.; Chaparro, F. 205

RESEARCH COMMUNICATIONS: Adverse effects of a proposed equine sublethal endotoxin model

Stadler, P.; Van Amstel, S.R.



RESEARCH COMMUNICATIONS: Comparative infection rates of Theileria parva lawrencei in salivary glands of Rhipicephalus appendiculatus and Rhipicephalus zambeziensis

Stoltsz, Wilhelm Heinrich; Blouin, Edmour F. 211

RESEARCH COMMUNICATIONS: Some observations on the narcotizing ability of electric currents on the common carp Cyprinus carpio

Barham, W.T.; Schoonbee, H.J.; Visser, J.G.J. 215

Volume 56: Number 4

The structure of the shell and polar plugs of the egg of the whipworm, Trichuris trichiura (Nematoda : Trichuridae) from the Samango monkey ( Cercopithecus albogularis)

Appleton, C.C.; White, Belinda J. 219

Availability of infective larvae of parasitic nematodes of sheep grazing on Kikuyu (Pennisetum clandestinum) pastures in the winter rainfall area

Reinecke, R.K.; Kirkpatrick, R.; Kriel, Anna M.D.; Frank, F. 223

Hybridization model for Rhipicephalus appendiculatus and R. zambeziensis by glucose-P-isomerase isoenzymes

Wouters, G. 235

Overberg Research Projects. VI. The biology and control of Oestrus ovis in sheep in the winter rainfall areas of the southern Cape

Louw, J.P. 239

Resistance of Nguni, Bonsmara and Hereford cattle to ticks in a Bushveld region of South Africa

Spickett, Arthur M.; de Klerk, D.; Enslin, C.B.; Scholtz, M.M. 245

The effect of passive immunization on active immunity against Clostridium perfringens type D in lambs

Odendaal, M.W.; Visser, J.J.; Bergh, N.; Botha, W.J.S. 251

South African field strains of Haemonchus contortus resistant to the levamisole/morantel group of anthelmintics

Van Wyk, J.A. (Jan Aucamp); Van Schalkwyk, Louwrens; Van Schalkwyk, P.C.; Visser, Evelyn L.; Alves, Regina M.R.; Gerber, H.M. 257

The biochemical differentiation between Salmonella and Citrobacter

Van der Walt, Martha L.; Steyn, Helena C. 263

Geographical distribution and habitat preferences of the invader freshwater snail species Lymnaea columella (Mollusca : Gastropoda) in South Africa

De Kock, K.N.; Joubert, P.H.; Pretorius, S.J 271

An outbreak of contagious bovine pleuropneumonia in the Owambo Mangetti area of South West Africa/Namibia : microbiological, immunofluorescent, pathological and serological findings

Trichard, C.J.V.; Basson, P.A.; Van der Lugt, Jaco J.; Jacobsz, Elsie P. 277

RESEARCH COMMUNICATIONS: Serological evidence of bovine leptospirosis in Malawi

Myburgh, Jan G.; Staley, G.P.; Van der Merwe, Sanette M. 285

RESEARCH COMMUNICATIONS: Afrotropical Culicoides : C. (Avaritia) spinifer Khamala & Kettle, 1971, a name based on an artefact (Diptera : Ceratopogonidae)

Meiswinkel, R 287

RESEARCH COMMUNICATIONS:The host status of the striped mouse, Rhabdomys pumilio, in relation to the tick vectors of heartwater in South Africa

Horak, Ivan Gerard; Howell, D.J.; Petney, T.N. 283

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