- UPSpace Home
- →
- South African National Veterinary Repository
- →
- Onderstepoort Journal of Veterinary Research
- →
- 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989
- →
- Browsing 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989 by Issue Date
JavaScript is disabled for your browser. Some features of this site may not work without it.
Browsing 1989 Onderstepoort Journal of Veterinary Research, Volume 56, 1989 by Issue Date
Now showing items 21-40 of 47
-
(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 ...
-
(Published by the Government Printer, Pretoria., 1989)A light-trap survey was undertaken of the species composition, seasonal abundance and parity of Culicoides at Roma, Lesotho, to establish whether the likely vectors for bluetongue and African horse sickness occur in this ...
-
(Published by the Government Printer, Pretoria., 1989)Nineteen per cent and 32 % of serologically positive sheep and goats in heartwater endemic areas of the Republic of South Africa were susceptible to challenge with, respectively, the Ball 3 and Welgevonden stocks of Cowdria ...
-
(Published by the Government Printer, Pretoria., 1989)Twenty sheep were dosed with either Pachystigma pygmaeum or Fadogia homblei belonging to the Rubiaceae. The experimentally-induced cardiotoxicoses were monitored by various clinical pathological parameters and heart ...
-
(Published by the Government Printer, Pretoria., 1989)In March 1978, a number of turkeys with severe respiratory symptoms affecting over 80 % of the flock were investigated for a possible causative agent. With the standard techniques used for the isolation of bacteriae, ...
-
(Published by the Government Printer, Pretoria., 1989)Culicoides (Avaritia) spinifer Khamala & Kettle, 1971, is made a junior subjective synonym of C. (A.) glabripennis Goetghebuer, 1935.
-
(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 ...
-
(Published by the Government Printer, Pretoria., 1989)Blindness attributed to vitamin A deficiency afflicted 47 out of 197, and 15 out of 29 new-born dairy calves on 2 farms. Other clinical signs included doming of the forehead, thickening of the carpal joints, incoordination ...
-
(Published by the Government Printer, Pretoria., 1989)Three cattle, which had been experimentally infected with Theileria parva lawrencei and maintained as carriers of the infection, were each infested simultaneously with clean nymphal Rhipicephalus appendiculatus and ...
-
(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 ...
-
(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 ...
-
(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 ...
-
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 ...
-
(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 ...
-
(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 ...
-
(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 ...
-
(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 ...
-
(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 ...
-
(Published by the Government Printer, Pretoria., 1989)A strain of Haemonchus contortus from the Pietermaritzburg district of Natal was found to be resistant to levamisole (geometric mean efficacy 76,5 %), morantel (41,9 %), the benzimidazoles (oxfendazole: 33,7 %) and rafoxanide ...
-
(Published by the Government Printer, Pretoria., 1989)Oestrus ovis was endemic on all the farms included in a survey conducted in the southern Cape, but each farm had its own unique seasonal pattern of infestation. Flock sheep were infested 10-12 months and tracers 5-9 months ...
Now showing items 21-40 of 47