Browsing 1959 Onderstepoort Journal of Veterinary Research, Volume 28, Number 1 & 2, 1959 by Title

Browsing 1959 Onderstepoort Journal of Veterinary Research, Volume 28, Number 1 & 2, 1959 by Title

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  • Some factors affecting the secretion of abomasal juice in young dairy calves 
    Grosskopf, Johannes Friedrich Wagner; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    Methods are described for the collection of abomasal secretion samples from calves and for the examination of the juice for proteolytic and rennin activity. The effect of the rennin and pepsin concentration of the secretion ...
  • A study of the plasma sodium and potassium levels in normal Merino sheep 
    Clark, R.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    (1) The following figures were deduced from determinations made on 500 samples of plasma from apparently normal Merino sheep. Plasma Sodium: Extreme range 132-- 156 m. eq./litre, mode 144, arithmetic average 144·11, ...
  • Sweating sickness : the present state of our knowledge 
    Neitz, W.O.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    This is an informative review of all aspects of the tick-borne toxicosis known as 'sweating sickness'. The condition principally affects young calves although sheep, pigs and goats are also susceptible. It occurs in Central, ...
  • The technique of adrenalectomy in the sheep 
    Hofmeyr, C.F.B.; Fitzpatrick, R.J.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    A technique for removal of the adrenal glands in the sheep is described; the difficulties associated with the anatomy of the right adrenal gland are emphasised.
  • Tick paralysis in the Karoo areas of South Africa 
    Stampa, S.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    1. Four forms of tick paralysis in South Africa may be distinguished, which differ as regards the clinical picture and are associated with four distinct tick species. 2. The literature dealing with tick paralysis in South ...
  • Ticks in the South African Zoological Survey Collection - Part IX - The Amblyomma marmoreum group 
    Theiler, Gertrud; Salisbury, Lois E.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    *1. Amblyomma variegatum var. nocens, Robinson 1911, is re-established as a valid species with the new name combination of Amblyomma nocens.* 2. A list of synonyms is given for A. nocens and A. pomposum. 3. A. pomposum ...
  • Ticks in the South African Zoological Survey Collection - Part X - Rhipicephalus mühlensi 
    Salisbury, Lois E.; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    1. The male and female of R. mühlensi are redescribed and the larva and nymph described for the first time, from material reared at Onderstepoort. 2. Host lists and geographical distribution for R. mühlensi and the ...
  • Ticks in the South African Zoological Survey Collection - Part XI - Ornithodoros eboris n. sp. 
    Theiler, Gertrud; Alexander, R.A.; Clark, R.; Louw, J.G.; De Kock, V.E. (Pretoria : The Government Printer, 1959)
    Ornithodoros eboris n. sp. male, female, nymph and larva are described for the first time. It belongs to the group of O. lahorensis, O. foleyi and O. delanoei with "madreporian"-like sculpturing.