Browsing 2003 Onderstepoort Journal of Veterinary Research, Volume 70, 2003 by Title

Browsing 2003 Onderstepoort Journal of Veterinary Research, Volume 70, 2003 by Title

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  • Molecular analysis of bovine viral diarrhoea virus isolates from South Africa 
    Van Vuuren, Moritz; Kabongo, N.; Baule, C.; Boomker, Jacob Diederik Frederik (Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)
    The presence of bovine viral diarrhoea virus in South Africa has been confirmed by several serological surveys. However, little is known about its biological properties. Twenty five isolates obtained by isolation in ...
  • The morphological characteristics of the antebrachiocarpal joint of the cheetah (Acinonyx jubatus) 
    Groenewald, Hermanus B.; Ohale, L.O.C.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    A morphological study of the structures of the antebrachiocarpal (AC) joint of the cheetah was carried out by dissection of eight forelimbs obtained from four adult cheetahs culled from the Kruger National Park, Republic ...
  • Occurrence, clinical manifestation and the epidemiological implications of naturally occurring canine trypanosomosis in western Kenya 
    Matete, G.O.; Boomker, Jacob Diederik Frederik (Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)
    Domestic dogs were screened for Trypanosoma brucei infection using the haematocrit centrifugation technique as part of routine active surveillance exercises in the Busia and Teso districts of Kenya. The purpose was to ...
  • Parasites of domestic and wild animals in South Africa. XLI. Arthropod parasites of impalas, Aepyceros melampus, in the Kruger National Park 
    Horak, Ivan Gerard; Braack, L.E.O.; Boomker, Jacob Diederik Frederik; Gallivan, Gordon J.; De Vos, Valerius; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    Ectoparasites were collected from impalas, Aepyceros melampus, at four localities within the Kruger National Park, namely Skukuza, in the Biyamiti region, Crocodile Bridge and Pafuri. Animals were also examined at Skukuza ...
  • Parasites of domestic and wild animals in South Africa. XLII. Helminths of sheep on four farms in the Eastern Cape Province 
    Horak, Ivan Gerard; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    At monthly intervals for periods ranging from 9 to 25 consecutive months between three and four Merino yearling-sheep and two Merino lambs on three farms in Eastern Cape Thornveld, and two Dorper yearling-sheep on a farm ...
  • Parasites of domestic and wild animals in South Africa. XLIII. Ixodid ticks of domestic dogs and cats in the Western Cape Province 
    Horak, Ivan Gerard; Matthee, Sonja; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    Ticks were collected at monthly intervals for 16 consecutive months from individual dogs by their owners in or close to the town of Stellenbosch, Western Cape Province. They were also collected for 27 consecutive months ...
  • Parasites of South African wildlife. XVII. Ostertagia triquetra n. sp. (Nematoda: Trichostrongylina) from the grey rhebuck, Pelea capreolus (Forster, 1790) 
    Boomker, Jacob Diederik Frederik; Durette-Desset, M-C.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    Re-examination of Teladorsagia hamata (Monnig, 1932) Durette-Desset, 1989 reported from grey rhebuck, Pelea capreoIus (Forster, 1790) proved it to be a new species of Ostertagia Ransom, 1907. The new species, for which the ...
  • PCR-based detection of the transovarial transmission of Uruguayan Babesia bovis and Babesia bigemina vaccine strains 
    Nel, Louis Hendrik; Gayo, V.; Romito, M.; Solari, M.A.; Viljoen, Gerrit Johannes; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    Bovine babesiosis is responsible for serious economic losses in Uruguay. Haemovaccines play an important role in disease prevention, but concern has been raised about their use. It is feared that the attenuated Babesia ...
  • Population structure of Argas arboreus (Acari: Argasidae) ticks associated with seasonally abandoned mixed heronries, dominated by cattle egrets (Bubulcus ibis), in South Africa 
    Belozerov, V.N.; Van Niekerk, D.J; Butler, H.J.B.; Boomker, Jacob Diederik Frederik (Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)
    During winter populations of Argas arboreus from heronries of the cattle egret, Bubulcus ibis, in South Africa are composed of adults, with some predominance of males, and II-IV instar nymphs, in a state of diapause. The ...
  • Resistance to trypanocidal drugs - suggestions from field survey on drug use in Kwale district, Kenya 
    Mugunieri, G.L.; Murilla, G.A .; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    A household survey was conducted in 21 villages of Kwale district, Kenya, to assess farmers' trypanocidal drug use characteristics for treatment of bovine trypanosomosis and their relationship to drug effectiveness. ...
  • Review of blackfly (Diptera: Simuliidae) control in South Africa 
    Myburgh, E.; Nevill, E.M.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    The medical, veterinary and economic importance of blackflies in South Africa, and the historical development of blackfly control programmes in various South African rivers, are reviewed in this paper. In 1996 it was ...
  • Schistosoma mattheei - an ovum containing twin miracidia 
    Van Wyk, Jan Aucamp; Van Rensburg, L.J.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    A large Schistosoma mattheei ovum containing two miracidia was recovered from a squash preparation of the liver of an experimentally infected hamster. When observed, the miracidia were motile and facing in opposite directions.
  • Seasonal evolution of faecal egg output by gastrointestinal worms in goats on communal farms in eastern Namibia 
    Kumba, F.F.; Katjivena, H.; Kauta, G.; Lutaaya, E.; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    As a more detailed continuation of a previous study, faecal samples for worm egg counts were collected per rectum from ten marked adult animals in selected flocks of goats, in each of six villages evenly spread out in the ...
  • Seroconversion in captive African wild dogs (Lycaon pictus) following administration of a chicken head bait/SAG-2 oral rabies vaccine combination 
    Knobel, Darryn Leslie; Liebenberg, A.; Du Toit, J.T.; Boomker, Jacob Diederik Frederik (Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)
    This study determined the proportion of captive juvenile and adult African wild dogs (Lycaon pictus) that developed protective titres of rabies neutralising antibodies following ingestion of a chicken head bait/SAG-2 oral ...
  • Studies on the genus Setaria Viborg, 1795 in South Africa. II. Setaria scalprum (Von Linstow, 1908) and Setaria saegeri (Le Van Hoa, 1961) 
    Boomker, Jacob Diederik Frederik; Watermeyer, Ryno; Putterill, John Fraser (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    Setaria scalprum (Von Linstow, 1908) and Setaria saegeri (Le Van Hoa, 1961) are closely related filarid species that occur in the smaller antelope of Africa. Material previously coIlected from common duiker, Sylvicapra ...
  • Subject index 
    None; Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
  • Use of rapid rural appraisal and cross-sectional studies in the assessment of constraints in smallholder cattle production systems in the western Kenya highlands 
    Okuthe, O.S.; McLeod, A.; Otte, J.M.; Buyu, G.E.; Boomker, Jacob Diederik Frederik (Pretoria : Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the University of Pretoria, Faculty of Veterinary Science, 2003)
    Assessment of livestock production constraints in the smallholder dairy systems in the western Kenya highlands was carried out using both qualitative and quantitative epidemiological methods. Rapid rural appraisals ...
  • Ventriculo-atrial conduction in the ovine heart, caused by premature ventricular complexes 
    Ker, James A.; Webb, E.C. (Edward Cottington); Boomker, Jacob Diederik Frederik (Published jointly by the Agricultural Research Council, ARC-Onderstepoort Veterinary Institute and the Faculty of Veterinary Science, University of Pretoria., 2003)
    In humans, and certain animals, the atrioventricular conduction system is capable of bidirectional conduction. Depolarization impulses, originating in the ventricle itself, may thus be conducted in a retrograde direction ...