1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986

1986 Onderstepoort Journal of Veterinary Research, Volume 53, 1986


Contentes Pages: Onderstepoort Journal of Veterinary Research, Vol ??, 19??


Volume 53: Number 1

Response of sheep and cattle to combined polyvalent Pasteurella haemolytica vaccines Cameron, CM & Bester, FJ 1

An ovine hepatotoxicosis caused by the plant Pteronia pallens (Asteraceae) Prozesky, L, Kellerman, TS & Welman, WG 9

Dispersal, density and habitat preference of the blow-flies Chrysomyia albiceps (Wd.) and Chrysomyia marginalis (Wd.) (Diptera: Calliphoridae) Braack, LEO & Retief, PF 13

Studies on the ability of different strains or populations of female Rhipicephalus evertsi evertsi (Acarina: Ixodidae) to produce paralysis in sheep Gothe, R & Bezuidenhout, JD 19

Investigations into the paralysis-inducing ability of Rhipicephalus evertsi mimeticus and that of hybrids between this subspecies and Rhipicephalus evertsi evertsi Gothe, R, Gold, Y & Bezuidenhout, JD 25

Proof of transovarial transmission of Cowdria ruminantium by Amblyomma hebraeum Bezuidenhout, JD & Jacobsz, CJ 31

The immune response in a dog to Encephalitozoon cuniculi infection Stewart, CG, Collet, MG & Snyman, H 35

The detection of antibodies of Cowdria ruminantium in serum and C. ruminantium antigen in Amblyomma hebraeum by an enzyme-linked immunosorbent assay Neitz, AWH, Viljoen, GJ, Bezuidenhout, JD, Oberem, PT, Van Wyngaardt, W & Vermeulen, NMJ 39

A field evaluation of Bacillus thuringiensis var. israelensis as a biological control agent for Simulium chutteri (Diptera: Nematocera) in the middle Orange River De Moor, FC & Car, M 43

Immunization of guinea-pigs and cattle with a reduced dose Clostridium chauvoei vaccine produced in a semi-synthetic medium Cameron, CM, Botha, WJS & Schoeman, JH 51

Isolation and identification of a South African lentivirus from jaagsiekte lungs Payne, A, York, DF, De Villiers, EM, Verwoerd, DW, Querat, G, Barban, V, Sauze, N & Vigne, R 55

Volume 53: Number 2

Isolation of Cowdria ruminantium by means of Percoll density gradient centrifugation and detection by an enzyme-linked immunosorbent assay Neitz, AWH, Viljoen, GJ, Bezuidenhout, JD, Oberem, PT, Putterill, JF, Verschoor, JA, Visser, L & Vermeulen, NMJ 63

Foot-and-mouth disease and the African buffalo (Syncerus caffer). I. Carriers as a source of infection for cattle Bengis, RG, Thomson, GR, Hedger, RS, De Vos, V & Pini, A 69

Foot-and-mouth disease and the African buffalo (Syncerus caffer). II. Virus excretion and transmission during acute infection Gainaru, MD, Thomson, GR, Bengis, RG, Esterhuysen, JJ, Bruce, W & Pini, A 75

The localization of a Mason-Pfizer monkey virus-related antigen in jaagsiekte tumour tissue and cell lines Payne, AL, Verwoerd, DW & Garnett, HM 87

The helminth parasites of various artiodactylids from some South African nature reserves Boomker, J, Horak, IG & De Vos, V 93

Phenotypic differences in Schistosoma mattheei ova from populations sympatric and allopatric to S. haematobium Kruger, FJ, Schutte, CHJ, Visser, PS & Evans, AC 103

Scanning electron microscopy of the teguments of males from five populations of Schistosoma mattheei Kruger, FJ, Hamilton-Attwell, VL & Schutte, CHJ 109

The topography of the thoraco-abdominal viscera in the ostrich (Struthio camelus) Bezuidenhout, AJ 111

Parasites of domestic and wild animals in South Africa. XVIII. The crowned guinea fowl (Numida meleagris), an important host of immature ixodid ticks Horak, IG & Williams, EJ 119

Parasites of domestic and wild animals in South Africa. XIX. Ixodid ticks and fleas on rock dassies (Procavia capensis) in the Mountain Zebra National Park Horak, IG & Fourie, LJ 123

Volume 53: Number 3

Parasites of domestic and wild animals in South Africa. XX. Arthropod parasites of the Cape mountain zebra (Equus zebra zebra) Horak, IG, Knight, MM & De Vos, V 127

African swine fever. I. Morphological changes and virus replication in blood platelets of pigs infected with virulent haemadsorbing and non-haemadsorbing isolates Neser, JA, Phillips, T, Thomson, GR, Gainaru, MD & Coetzee, T 133

The inability of a South African Babesia bovis vaccine strain to infect Boophilus microplus Mason, TE, Potgieter, FT & Van Rensburg, L 143

Investigations into the function and chemical compositions of the porose areas secretion of Rhipicephalus evertsi evertsi during oviposition Vermeulen, NMJ, Gothe, R, Senekal, AC & Neitz, AWH 147

Heartwater: an in vitro study of the ultrastructure of Cowdria ruminantium Prozesky, L, Bezuidenhout, JD & Paterson, CL 153

Paracooperia horaki n.sp. (Nematoda: Trichostrongylidae) from the nyala Tragelaphus angasi Gray, 1849 Boomker, J 161

The relation of climate and topography to gastro-intestinal nematode worm egg counts of Angora goats in the Eastern Cape McCulloch, B, Dalbock, RR & Kuhn, HG 167

Research communication:

A column purification procedure for the removal of leucocytes from parasite-infected bovine blood Ambrosio, RE, Potgieter, FT & Nel, N 179

Volume 53: Number 4

Flaviviruses in South Africa: diagnostic procedures Barnard, BJH & Voges, SF 181

Parasites of domestic and wild animals in South Africa. XXI. Arthropod parasites of vaal ribbok, bontebok and scrub hares in the western Cape Province Horak, IG, Sheppey, K, Knight, MM & Beuthin, CL 187

The relationship between the microtitration serum agglutination and complement fixation tests in bovine brucellosis serology Herr, S, Williamson, CC, Prigge, RE & Van Wyk, A 199

The major blood vessels of the wing of the ostrich (Struthio camelus) Bezuidenhout, AJ & Coetzer, DJ 201

Detection of Cowdria ruminatium antigen and antibody during the course of heartwater disease in sheep by means of an enzyme-linked immunosorbent assay Neitz, AWH, Viljoen, GJ, Bezuidenhout, JD, Oberem, PT, Visser, L & Vermeulen, NMJ 205

The penetration of mammalian skin by cercariae of Trichobilharzia sp. (Trematoda: Schistosomatidae) from South Africa Appleton, CC & Brock, K 209

Trichostrongylus auriculatus n. sp. (Nematoda: Trichostrongylidae) from the steenbok, Raphicerus campestris (Thunberg, 1811) Boomker, J 213

Trichostrongylus angistris n. sp. from the red duiker Cephalophus natalensis A. Smith, 1834 and a redescription of Trichostrongylus minor monnig, 1932 Boomker, J & Vermaak, D 217

A high performance liquid chromatographic method for the fluorimetric determination of lactose, galactose and glucose in normal and abnormal milk of cows Kowalski, ZE & Giesecke, WH 225

The efficacy of acetamide for the treatment of experimental Dichapetalum cymosum (gifblaar) poisoning in sheep Egyed, MN & Schultz, RA 231

Research communications:

Flaviviruses in South Africa: pathogenicity for sheep Barnard, BJH & Voges, SF 235

Further observations on an intratubercular sensory receptor of Schistosoma mattheei Kruger, FJ, Hamilton-Attwell, VL, Tiedt, L & Du Preez, L 239

A short, reliable, highly reproducible complement fixation test for the serological diagnosis of contagious equine metritis Gummow, B, Herr, S & Brett, OL 241

Author index 245

Subject index 251

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