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1984 Onderstepoort Journal of Veterinary Research, Volume 51, 1984: Recent submissions
Now showing items 1-20 of 45
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Seasonal prevelance of ixodid ticks on cattle in the Windhoek District of South West Africa/Namibia (Pretoria : Government Printer, 1984)The seasonal prevalence of ixodid ticks was determined over a 2-year period by the weekly removal from at least 5 cattle of all adult ticks and the immature stages of Rhipicephalus evertsi mimeticus in the ears. The highest ...
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(Pretoria : Government Printer, 1984)
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(Pretoria : Government Printer, 1984)
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(Published by The Government Printer, Pretoria, 1984)The plant, Matricaria nigellifolia, was dosed to 2 sheep to reinvestigate whether or not sheep are susceptible to pushing disease ("stootsiekte"). Each sheep received a total dose of 370 g/kg of the milled, dried plant ...
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(Published by The Government Printer, Pretoria, 1984)Antibodies to Cowdria ruminantium were detected in the serum of calves born from artificially immunized heifers, by means of the indirect fluorescent antibody test, only for as long as 4 weeks after birth. Lambs born from ...
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(Published by The Government Printer, Pretoria, 1984)An outbreak of disease affecting a herd of 16 dairy cattle which were fed mouldy, sprouted maize is described. Eight of the cattle were affected, 5 of which died. The clinical signs included muscular tremors, ...
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(Pretoria : Government Printer, 1984)It was demonstrated that skin wound infection with Histophilus ovis elicits an immune response which can protect a ram against a challenge injection of the same organism into its epididymis.
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(Published by The Government Printer, Pretoria, 1984)Extensive experiments in mice confirmed that the immunogenicity of a Corynebacterium pseudotuberculosis vaccine could not be significantly improved with the use of various adjuvants. Immunity against C. pseudotuberculosis ...
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(Published by The Government Printer, Pretoria, 1984)Twelve Hartmann's mountain zebra, Equus zebra hartmannae, were shot for arthropod parasite recovery during the period June 1980-June 1981 on a farm in the Khomas Hochland region of South West Africa/Namibia. Four species ...
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(Published by The Government Printer, Pretoria, 1984)The effects on Simulium adersi and S. hargreavesi larvae of 2 Bacillus thuringiensis var. israelensis products, the liquid formulation "Teknar" (Sandoz) and a powder formulation produced by the Ben Gurion University, Israel, ...
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(Published by The Government Printer, Pretoria, 1984)During 1980 a survey of the parasites of freshwater fish was conducted in the Sabie and Crocodile Rivers in the southern part of the Kruger National Park, Transvaal. A new species of Phyllodistomum, Braun, 1899, for which ...
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(Published by The Government Printer, Pretoria, 1984)The slaughter of naturally-infected heifers and oxen at regular intervals after the first P. bovicola ovipositional blood spots appeared revealed that no female worms with embryonated eggs could be found after 259 days, ...
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(Published by The Government Printer, Pretoria, 1984)A new species of nematode, Cylicodontophorus reineckei, was collected from Burchell's zebra, Equus burchelli antiquorum H. Smith, 1841, in both the Etosha National and Kruger National Parks and from mountain zebra, Equus ...
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(Published by The Government Printer, Pretoria, 1984)Helminth parasites were collected from 2 bushbuck, Tragelaphus scriptus, 2 red duiker, Cephalophus natalensis, 1 oribi, Ourebia ourebi, and 4 reedbuck, Redunca arundinum, that died or were culled in various parts of Natal. ...
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(Published by The Government Printer, Pretoria, 1984)Positive identification of Cowdria ruminantium in Amblyomma hebraeum was obtained by direct and indirect fluorescent antibody techniques, and by light and electron microscopy. Colonies of organisms could only be demonstrated ...
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(Published by The Government Printer, Pretoria, 1984)Using the composite fibrin plates method, plasminogen activator (PA) activity was found in secretions from clinically normal, mastitic, lactating and dried-off udders of dairy cows. The possible involvement of the fibrinolytic ...
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(Published by The Government Printer, Pretoria, 1984)Cattle, vaccinated as calves with Cowdria ruminantium-infected tick stabilate, were challenged 6, 12 and 24 months later. In the absence of tick challenge, vaccination of calves induced a partial immunity against subsequent ...
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(Published by The Government Printer, Pretoria, 1984)An effective vaccine for the immunization of sheep against Pasteurella multocida infection was prepared from P. multocida Strain D4 (Type D) and a selected strain of P. multocida Type A. Provided an adequate concentration ...
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(Published by The Government Printer, Pretoria, 1984)Rams have been immunized against an infection of their genitalia by Histaphilus avis. An alum-precipitated antigen and an antigen plus Freund's complete adjuvant proved equally effective. An injection of live H. ovis into ...
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(Published by The Government Printer, Pretoria, 1984)An investigation of poultry litter intended for use in farm feeds showed that 0,37 %, 0,49 %, 0,25 %and 12,3 % of the 813 samples tested were contaminated with Clostridium spp., haemolytic Escherichia coli, Staphylococcus ...
Now showing items 1-20 of 45