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- 1964 Onderstepoort Journal of Veterinary Research, Volume 31, 1964
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1964 Onderstepoort Journal of Veterinary Research, Volume 31, 1964
Recent Submissions
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(Pretoria : Government Printer, 1964)
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(Pretoria : Government Printer, 1964)
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(Pretoria : The Government Printer, 1964)I. Trials are described in which six sheep and one goat were artificially infested with O. circumcincta and their reactions studied in detail. 2. The main pathological findings were: (i) Marked decrease in packed red ...
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(Pretoria : The Government Printer, 1964)Two experiments to determine the seasonal incidence of nematode parasites of sheep are described. These were based on differential egg counts and a comparison between critical slaughter trials and egg counts. Trichostrongylus, ...
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(Pretoria : The Government Printer, 1964)An experiment comparing critical slaughter results with egg count data collected ante mortem is described. Haemonchus contortus was prevalent from December to April; Ostertagia spp. from October to December; Trichostrongylus ...
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(Pretoria : The Government Printer, 1964)Total and differential worm counts were carried out post mortem on sheep slaughtered at regular intervals at the Grootfontein College of Agriculture, Middelburg, Cape Province. Fourth stage larvae were recovered at every ...
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(Pretoria : The Government Printer, 1964)Two fluid media and methods for the cultivation of C. pseudotuberculosis are described. An average yield of 1·3747 and 0·8566 gm of dry cells per litre was obtained in the respective media. An erythrogenic endotoxin and ...
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(Pretoria : The Government Printer, 1964)Experiments are reported in which the in vitro pH stability of bluetongue virus as well as the survival of this virus in muscle of mutton and beef carcasses, have been investigated. (a) A marked loss of infectivity occurred ...
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(Pretoria : The Government Printer, 1964)Following progesterone pre-treatment a total of 45 anoestrous ewes consisting of equal numbers of Merino, Angora, and Boergoat ewes was treated with gonadotrophin according to three different schedules. Detailed observations ...
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(Pretoria : The Government Printer, 1964)
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(Pretoria : The Government Printer, 1964)Blood analysis figures obtained from two groups of sheep of different geographical origin are presented. The one group emanated from the Karoo and the other from the Transvaal grassland. Substantial differences between ...
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(Pretoria : The Government Printer, 1964)A practical method for the determination and expression of the rate of cellulose digestion in the rumen is described.
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(Pretoria : The Government Printer, 1964)Sand tampans cause irritation and losses among cattle in the sand veld areas of the Kalahari and South West Africa. They appear above the ground in response to a stimulus. The nature of this stimulus was investigated in ...
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(Pretoria : The Government Printer, 1964)Haemonchus krugeri sp. nov. from the impala (Aepyceros melampus) may be distinguished from the other species of this genus by the absence of barbs on the distal end of the spicules as well as differences in the structure ...
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(Pretoria : The Government Printer, 1964)Helminth parasites from two species of hornbills (Bucerotidae) are described. These helminths are: a young trematode of the genus Eumegacetes, which is not specifically identified; a new species of cestode - Raillietina ...
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(Pretoria : The Government Printer, 1964)Helminths from warthogs and bushpigs in the Onderstepoort collection have been studied. All the species of Oesophagostomum described from warthogs were represented, except O. goodeyi and O. roubaudi. In addition two unknown ...
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(Pretoria : The Government Printer, 1964)The pathogenicity to the respiratory tract of seven virus isolates associated with genital disease in cattle was investigated. It was shown that (1) the febrile response was very similar to that encountered after intra-nasal ...