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- 1974 Onderstepoort Journal of Veterinary Research, Volume 41, 1974
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1974 Onderstepoort Journal of Veterinary Research, Volume 41, 1974
Recent Submissions
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(Pretoria : The Government Printer, 1974)
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(Pretoria : The Government Printer, 1974)
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(Pretoria : The Government Printer, 1974)A simple, sensitive and rapid spectrophotometric method for the determination of protein concentration in the presence of RNA contaminants is described. Only small spectral differences exist between RNAs from different ...
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(Pretoria : The Government Printer, 1974)An outbreak of bilharzia (Schistosoma mattheei) infestation involving about 100 oxen on the farm Otthilie near Tolwe in northern Transvaal is described. Infestation of the cattle appears to have occurred per os from a ...
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(Pretoria : The Government Printer, 1974)The serum protein fraction values of Dorper sheep infested with Schistosoma mattheei were determined by cellulose acetate electrophoresis at regular intervals for 15 months. Statistical analyses showed that increases in ƴ ...
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(Pretoria : The Government Printer, 1974)Female mice were injected with a suspension of 0, 2 ml of 10 per cent v/v sheep red blood cells (SRBC) and sacrificed on the 5th day for recording of spleen mass and assay of plaque-forming cells (PFCs) in the spleens. ...
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(Pretoria : The Government Printer, 1974)Boophilus microplus larvae infected with Babesia bovis were removed from a susceptible ox approximately 72 hours after attachment, triturated and stored in liquid nitrogen refrigerator with dimethyl sulphoxide as ...
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(Pretoria : The Government Printer, 1974)The susceptibility of golden hamsters to infestation with Taenia solium is increased by treatment with antilymphocytic scrum (ALS) or whole body irradiation or chemical immunosuppressants, viz. methylprednisolone acetate ...
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(Pretoria : The Government Printer, 1974)Experiments are reported which show that the addition of 4,0% polyethylene glycol (6 000 MW) to liquid cultures of Clostridium welchii Type D , Pasteurella and Vibrio fetus (venerialis) will effectively sediment the bacteria. ...
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(Pretoria : The Government Printer, 1974)Chickens which were given cyclophosphamide during the first three to five days of life showed a marked depression in their humoral antibody response to sheep erythrocytes and Brucella antigen. Their ability to develop ...
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(Pretoria : The Government Printer, 1974)The diagnostic accuracy of conventional methods for the diagnosis of subclinical mastitis, such as the direct microscopic count (DMC) and electronic cell count (ECC) either used alone or in combination with bacteriological ...
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(Pretoria : The Government Printer, 1974)The immunizing potency of a live vaccine prepared from a strain of Besnoitia besnoiti isolated from blue wildebeest and stored frozen as a low passage stabilate was studied in adult male rabbits. The vaccine consisted of ...
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(Pretoria : The Government Printer, 1974)The number of haemolytic plaque forming cells (PFCs) in the spleens of normal mice could not be increased by the injection of nucleic acids. However, when nucleic acids were injected into mice simultaneously with a priming ...
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(Pretoria : The Government Printer, 1974)A group of Merino sheep, aged 6-7 months was infested orally with 50 000 infective larvae of Trichostrongylus axei. This group and a control group were challenged 90-92 days later with 50 000 infective larvae of Haemonchus ...
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(Pretoria : The Government Printer, 1974)From a review of literature on bovine mastitis published between 1833 and 1973 it is concluded that although herd control has caused a shift of emphasis from the clinical to the subclinical forms, diagnostic criteria have ...
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(Pretoria : The Government Printer, 1974)The pathological and parasitological findings from 100 free-ranging chacma baboons are described. One of the most striking discoveries was a heretofore unknown coccidian parasite, Isospora papionis, and even more important ...
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(Pretoria : The Government Printer, 1974)An antigen associated with the somatic cells obtained from mastitic milk, which is also present in the whey and can be used for the diagnosis of mastitis in a radial immunodiffusion (RID) test, has been purified and ...
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(Pretoria : The Government Printer, 1974)Mice were very successfully immunized against intraperitoneal infection with virulent Salmonella typhimurium by fluid and lyophilized formalin inactivated vaccines prepared from a smooth strain of the microorganism. A ...