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- Browsing 1984 Onderstepoort Journal of Veterinary Research, Volume 51, 1984 by Type
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Browsing 1984 Onderstepoort Journal of Veterinary Research, Volume 51, 1984 by Type "Article"
Now showing items 1-20 of 45
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(Published by The Government Printer, Pretoria, 1984)VERO and CER cell cultures infected with flaviviruses produce more acid than non-infected control cultures. Acid production is dependent on the presence of glucose. This phenomenon can be utilized for the titration of ...
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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)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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(Pretoria : Government Printer, 1984)
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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 ...
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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)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)An investigation undertaken with the aid of scanning electron microscopy (SEM) on new and used teat cup liners revealed the generally poor quality of luminal surfaces. Even those of the brand-new distributor controls ...
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(Published by The Government Printer, Pretoria, 1984)An appreciable level of immunity from intraperitoneal infection with Pasteurella haemolytica was established in mice by using a vaccine prepared in a conventional bacteriological culture medium, with aluminium hydroxide ...
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(Published by The Government Printer, Pretoria, 1984)Individual quarter samples from some 19 cows on average were investigated monthly over 12 months for determining the udder health status of cows and the glucose concentrations of foremilk and strippings. Foremilk showed ...
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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)Three Merino sheep were given 3 g/kg of dried, finely-milled Homeria glauca (Natal yellow tulp) plant material intraruminally. Plasma glucose, cortisol, catecholarnines and lactate were measured hourly and also at the ...
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(Published by The Government Printer, Pretoria, 1984)Ulcerative skin lesions were encountered in rainbow trout raised in sea water by a commercial concern in the Western Cape, South Africa. Grossly, the lesions resembled furunculosis but, histopathologically, they differed ...
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(Published by The Government Printer, Pretoria, 1984)All of the 111 baboons examined from the Loskop Dam, Suikerbosrand and Scrutton Nature Reserves and the Sabie-Tweefontein Forest Reserve were infested with helminths of the digestive tract. The helminths recovered were ...
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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)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)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)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)During investigations into the volatility of female pheromones of A. walkerae in a Y -shaped olfactometer, engorged conspecific male ticks responded weakly both to female-contacted filter paper discs and to intact females ...
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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, ...
Now showing items 1-20 of 45