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- Browsing 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989 by Issue Date
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Browsing 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989 by Issue Date
Now showing items 1-20 of 47
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Parasites of South African wildlife. III. Helminths of common reedbuck, Redunca arundinum, in Natal (Published by the Government Printer, Pretoria., 1989)Twenty-six common reedbuck, Redunca arundinum, were shot in pairs at monthly intervals for 13 consecutive months in the Himeville region of Natal. Ten nematode species, 2 cestodes and 1 trematode were recovered from these ...
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(Published by the Government Printer, Pretoria., 1989)Nematodirus abnormalis is a common nematode parasite of sheep on several farms in the Caledon district of the south-western Cape and is the major species of Nematodirus on a farm in the Riviersonderend mountains of this ...
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(Published by the Government Printer, Pretoria., 1989)Two hundred and seventy-five serum samples from cattle in Malawi were tested as a pilot survey for Leptospira antibody titres. Fifty-nine (21,4%) of the animals were positive for leptospirosis, while 35 (12,7%) animals ...
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(Published by the Government Printer, Pretoria., 1989)The structure of the shell of the egg of Trichuris trichiura was examined using light microscopy as well as scanning and transmission electron microscopy. The results confirmed its three-layered structure and provided ...
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(Published by the Government Printer, Pretoria., 1989)Striped mice, Rhabdomys pumilio, were trapped over a 17 month period in the Thomas Baines Nature Reserve in the eastern Cape Province of South Africa. Captured mice were placed in cages, over water, and naturally detaching ...
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(Published by the Government Printer, Pretoria., 1989)A procedure established for the selective isolation of the species of Streptococcus responsible for rainbow trout streptococcosis in South Africa, consisted of the inoculation of samples into nutrient broth which had been ...
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(Published by the Government Printer, Pretoria., 1989)
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(Pretoria : The Government Printer, 1989)Lambs in different stages of development of active immunity against Clostridium perfringens type D were treated with partially purified immunoglobulin in an attempt to superimpose a passive immunity on an existing or ...
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(Published by the Government Printer, Pretoria., 1989)During the past decade in South Africa there has been a continual increase in sheep of strains of gastrointestinal helminths resistant to the modern anthelmintics. Five strains of Haemonchus contortus are described in this ...
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(Published by the Government Printer, Pretoria., 1989)Screening of a genomic library of Cowdria ruminantium has yielded twelve clones hybridizing to Cowdria DNA. These clones should be suitable for development into DNA probes specific for this organism.
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(Published by the Government Printer, Pretoria., 1989)Counts of engorged female ticks on naturally infested cattle over a 2 year period, showed that indigenous Nguni cattle harboured significantly fewer Amblyomma hebraeum, Boophilus decoloratus and Hyalomma spp. during periods ...
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(Published by the Government Printer, Pretoria., 1989)Hybrids between Rhipicephalus appendiculatus and R. zambeziensis were reared and glucose-phosphate-isomerase isoenzymes were resolved by agarose electrophoresis. By phenotyping hybrids in F₁ and F₂ generations autosomal ...
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(Published by the Government Printer, Pretoria., 1989)The investigation involved 37 herds of cattle numbering 6 280 animals and 5 groups of blue wildebeest (Connochaetes taurinus), consisting of 30-330 wildebeest per group. All the cases of wildebeest-derived malignant catarrhal ...
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(Published by the Government Printer, Pretoria., 1989)Thirteen groups of 4 South African mutton Merinos grazed for 4 weeks with the flock on Kikuyu pastures and were slaughtered for total and differential worm counts at necropsy. Subsequently 12 groups of 8 week tracers grazed ...
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(Published by the Government Printer, Pretoria., 1989)Commercially available Escherichia coli 055: B5 lipopolysaccharide was administered intravenously experimentally at a dosage of 10 µg/kg to 2 horses. Various clinical and clinico-pathological parameters were monitored ...
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(Published by the Government Printer, Pretoria., 1989)A number of bacterial isolates which could not be identified as either Salmonella or Citrobacter by conventional biochemical tests and could not be typed as Salmonella with available antisera, were further examined ...
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(Published by the Government Printer, Pretoria., 1989)Bovine ephemeral fever (BEF) was diagnosed on several commercial farms around Harare, Zimbabwe. The affected animals showed signs of fever (40-41,5 °C), depression, ruminal stasis, lameness and recumbency. Eight of those ...
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(Published by the Government Printer, Pretoria., 1989)A Streptococcus species biochemically and serologically identical to the rainbow trout pathogenic Streptococcus species was isolated from the internal organs of the fish specific leech, Batracobdelloides tricarinata. These ...
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(Published by the Government Printer, Pretoria., 1989)The present geographical distribution of Lymnaea columella, as recorded in the National Freshwater Snail Collection, is described and discussed. It appears that L. columella is the most successful colonist of all the ...
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(Published by the Government Printer, Pretoria., 1989)The narcotizing potential of various rectified current configurations on Oreochromis mossambicus was investigated. A 50 Hz, 200 Vp. half-wave rectified current, applied for 30 s, was found to be a suitable configuration ...
Now showing items 1-20 of 47