1995 Onderstepoort Journal of Veterinary Research, Volume 62, 1995

1995 Onderstepoort Journal of Veterinary Research, Volume 62, 1995


Contents Pages: Onderstepoort Journal of Veterinary Research, Vol 62, 1995


Volume 62: Number 1

Paired-ion extraction and high-performance liquid chromatographic determination of diminazene in cattle plasma: a modified method Gummow, B, Du Preez, JL & Swan, GE 1

Cardiomyopathy of ruminants induced by the litter of poultry fed on rations containing the ionophore antibiotic, maduramicin. II. Macropathology and histopathology Bastianello, SS, Fourie, N, Prozesky, L, Nel, PW & Kellermann, TS 5

Reactions to heartwater vaccination in crossbred Zebu cattle Lawrence, JA, Malika, J, Whiteland, AP & Kafuwa, PT 19

A rapid method to determine bacterial contamination on hatching eggs. 2. Correlation of the optical-density measurements after incubation to bacterial counts on hatching eggs Pienaar, ACE, Coetzee, L & Bragg, RR 25

A rapid method to determine bacterial contamination on hatching eggs. 3. Use of commercial DNA probe kits for detection of specific pathogens after six hours of incubation Pienaar, ACE, Coetzee, L & Bragg, RR 35

Canine ehrlichiosis in Egypt: sero-epidemiological survey Botros, BAM, Elmolla, MS, Salib, AW, Calamaio, CA, Dasch, GA & Arthur, RR 41

Mycoplasma-associated polyarthritis in farmed crocodiles (Crocodylus niloticus) in Zimbabwe Mohan, K, Foggin, CM, Muvavarirwa, P, Honywill, J & Pawandiwa, A 45

A survey of the Culicoides (Diptera: Ceratopogonidae) of the Umlalazi Nature Reserve in Zululand, South Africa, with notes on two species biting man Nevill, H & Nevill, EM 51

Research communications:

Evaluation of some reproductive parameters in the indigenous boar of Zimbabwe Akingbemi, BT & Makinde, MO 59

Cryopreservation of sheathed third-stage larvae of Gaigeria pachyscelis (Sandveld hookworm) Titoy, GAP & Schwan, EV 63

Short communication:

The prevalence of intestinal Salmonella infection in horses submitted for necropsy Van Rensburg, IBJ, Jardine, JE, Carstens, JH & Van der Walt, ML 65

Book review:

Ectoparasites of animals and control methods - OIE 69

Guide for authors 71

Volume 62: Number 2

Isolation of the toxin responsible for gousiekte, a plant-induced cardiomyopathy of ruminants in southern Africa Fourie, N, Erasmus, GL, Schultz, RA & Prozesky, L 77

Rhipicephalus interventus sp. nov. (Acari: Ixodidae), a new tick species closely related to Rhipicephalus tricuspis Donitz, 1906 and Rhipicephalus lunulatus Neumann, 1907, from East and Central Africa Walker, JB, Pegram, PG & Keirans, JE 89

An outbreak of encephalomyocarditis-virus infection in free-ranging African elephants in the Kruger National Park Grobler, DG, Raath, JP, Braack, LEO, Keet, DF, Gerdes, GH, Barnard, BJH, Kriek, NPJ, Jardine, J & Swanepoel, R 97

Monitoring experimental Alcelaphine Herpesvirus-1 infection in cattle by nucleic-acid hybridization and PCR Michel, AL, Buchholz, GS & Van der Lugt, JJ 109

Microclimatic effect on vertical migration of Haemonchus contortus and Haemonchus placei third-stage larvae on irrigated Kikuyu pasture Krecek, RC, Hartman, R, Groeneveld, HT & Thorne, A 117

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 Horak, IG, Spickett, AM, Braack, LEO, Penzhorn, BL, Bagnall, RJ & Uys, AC 123

Fleas, lice and mites on scrub hares ( Lepus saxatilis) in Northern and Eastern Transvaal and in KwaZulu-Natal, South Africa Louw, JP, Horak, IG, Horak, ML & Braack, LEO 133

Research communications:

In vitro cultivation of a Babesia sp. from cattle in South Africa Zweygarth, E, Van Niekerk, C, Just, MC & De Waal, DT 139

The diagnosis of Wesselsbron disease in a new-born lamb by immunohistochemical staining of viral antigen Van der Lugt, JJ, Coetzer, JAW, Smit, MME & Cilliers, C 143

Detection of Brucella abortus antigens by immunoperoxidase histochemical staining of lochia smears Alberts, JN & Erasmus, JA 147

Volume 62: Number 3

Pentastomid parasites of the family Sebekidae Fain, 1961 in West African dwarf crocodiles Osteolaemus tetraspis Cope, 1851 from the Congo, with a description of Alofia parva n. sp Riley, J & Huchzermeyer, FW 151

In vivo effects of a novel calcium antagonist (R56865) against induced epoxyscillirosidin and tulp poisoning in sheep Swan, GE, Schultz, RA, Kellerman, TS, Mulders, MSG, Maartens, BP & Van der Walt, JJ 163

The use of preserved colostrum for rearing replacement dairy calves: calf performance, economics and on-farm practicability in Kenya Karioki, DI, Gitau, GK & Munyua, SJM 167

Parasites of domestic and wild animals in South Africa. XXXIV. Arthropod parasites of nyalas in north-eastern KwaZulu-Natal Horak, IG, Boomker, J & Flamand, JRB 171

Causes of calf mortality in Kabete area of Kenya Mulei, CM, Gitau, GK & Mbuthia, PG 181

Characterization of mucus glycoproteins in the intestinal mucosa of the African elephant (Loxodonta africana) following lectin histochemistry Coetzee, HL, Kotze, SH & Lourens, N 187

Sperm-storage tubules in the vagina of the ostrich (Struthio camelus) Bezuidenhout, AJ, Soley, JT, Groenewald, HB & Burger, WP 193

The role of Hyalomma ticks in foot infestations and temporary lameness of sheep in a semi-arid region of South Africa Kok, DJ & Fourie, LJ 201

Research communications:

The prevalence of neosporosis in aborted bovine foetuses submitted to the Allerton Regional Veterinary Laboratory Jardine, JE & Last, RD 207

Attachment preferences of Hyalomma truncatum and Hyalomma marginatum rufipes ticks (Acari: Ixodidae) on two sheep breeds Fourie, LJ & Kok, DJ 211

An improved technique for the cryopreservation of Gaigeria pachyscelis (Sandveld hookworm) Titoy, GAP 215

Volume 62: Number 4

Detection of bluetongue virus and African horsesickness virus in co-infected cell cultures with NS1 gene probes Venter, EH, Huismans, H & Dijk, Van AA 217

The distribution of Pasteurella haemolytica serotypes among cattle, sheep and goats in South Africa and their association with disease Odendaal, MW & Henton, MM 223

The use of sucrose-acetone-extracted Rift Valley fever virus antigen derived from cell culture in an indirect enzyme-linked immunosorbent assay and haemagglutination-inhibition test Paweska, JT, Barnard, BJH & Williams, R 227

The effect(s) of carbaryl-treated seed on body maintenance and survival of the multi-mammate mouse, Mastomys natalensis (sensu lato) Neluvhalani, MJ, Ferreira, SM & Van Aarde, RJ 235

Detection of bovine-virus-diarrhoea-virus antibodies in cattle with an enzyme-linked immunosorbent assay Muvavarirwa, P, Mudenge, D, Moyo, D & Javangwe, S 241

The skull and mandible of the African elephant (Loxodonta africana) Van der Merwe, NJ, Bezuidenhout, AJ & Seegers, CD 245

Effects of transformation on the hemagglutinins of Haemophilus paragallinarum Bragg, RR, Purdan, G, Coetzee, L & Verschoor, JA 261

Epidemiology of African horsesickness: antibodies in free-living elephants (Loxodonta africana) and their response to experimental infection Barnard, BJH, Bengis, RG, Keet, DF & Dekker, EH 271

Immunohistochemical identification of Cowdria ruminantium in formalin-fixed tissue sections from mice, sheep, cattle and goats Jardine, JE, Vogel, SW, Kleef, Mv & Van der Lugt, JJ 277

Serological prevalence of leptospiral antibodies in pigs in South Africa Potts, AD, Lotter, C & Robinson, JTR 281

Author index 285

Subject index 295

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