Browsing 1948 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 23, 1948 by Title
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Browsing 1948 Onderstepoort Journal of Veterinary Science and Animal Industry, Volume 23, 1948 by Title
Now showing items 1-20 of 25
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(Pretoria : The Government Printer, 1948)(1) The history of horsesickness in Egypt and Palestine is traced. (2) It is believed that the 1944 epizootic was started in Egypt by the introduction of one or more infected equines into the Komombo area from the South ...
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(Pretoria : The Government Printer, 1948)(1) Standardization should be carried out with all strains of organisms and antigens prior to utilization for testing purposes. Single strains of organisms should be submitted to low dilution testing before use as ...
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(Pretoria : The Government Printer, 1948)1. Skin cancer in rats (and in mice) can be produced by exposing them daily for definite periods to ultraviolet light. 2. Roffo produced identical neoplasms in rats by exposing them daily for 5 hours to sunlight. This was ...
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(Pretoria : The Government Printer, 1948)It is convenient to review the campaign against East Coast Fever, over three particular periods, viz.: 1. The period prior to the institution of short-interval dipping, i.e. between 1902 and 1910. 2. The short-interval ...
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(Pretoria : The Government Printer, 1948)1. A new genus and species of a protozoan parasite from the duiker (S. grimmia) is described. The name Cytauxzoon sylvicaprae is proposed for it and it is provisionally classed as a member of the family Theileridae, du ...
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The demonstration and transmission of the South African strain of Trypanosoma equiperdum of horses (Pretoria : The Government Printer, 1948)The identification and the transmission of the causal trypanosomes of the South African type of Dourine has resulted in an improvement of the methods of diagnosis by means of the examination of the blood and of the Complement ...
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(Pretoria : The Government Printer, 1948)The influence of varying amounts of a supplement consisting of starch, casein, brewers yeast and minerals, alone and in conjunction with one of green feed, on the digestibility of the cellulose in a basal ration of ...
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(Pretoria : The Government Printer, 1948)1. Foals may become infected with dourine before sexual maturity. Cases are described where infection had occurred at 9 months or younger. 2. Such foals on reaching sexual maturity are capable of transmitting the infection ...
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(Pretoria : The Government Printer, 1948)Retirement of Dr. P.J. du Toit as Director of Veterinary Services, Department of Agriculture, and as Dean of the Faculty of Veterinary Science, University of Pretoria, Union of South Africa.
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(Pretoria : The Government Printer, 1948)1. An acute inflammation has the same general inhibitory effect on immunizing power that it has on the virulence of anthrax strains. 2. Irritant excipients have the same local stimulating effect on small immunizing doses ...
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(Pretoria : The Government Printer, 1948)(1) The development of anthrax in guinea pigs is slowed down if an acute inflammation accompanied by an oedema is provoked elsewhere in the body. Thus the injection of saponin into a fore-limb or into the peritoneal cavity ...
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(Pretoria : The Government Printer, 1948)1. Complaints that the present method of immunization against bluetongue is not safe and that it produces an inadequate immunity have been justified. 2. A plurality of antigenically different virus strains has been ...
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(Pretoria : The Government Printer, 1948)1. The active principle of Lantana camara L. has been renamed “Lantadene A”. 2. An inactive cogener of Lantadene A has been isolated and named “Lantadene B”. 3. The functions of the oxygen atoms in Lantadene A and B ...
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(Pretoria : The Government Printer, 1948)A record is given of a large number of equine animals under observation for dourine at the Onderstepoort Laboratory, with their reactions to serological tests over a period of five years. Mention is made of the results ...
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(Pretoria : The Government Printer, 1948)Two experiments have been carried out with albino rats in which the availability of phosphorus in bonemeal , bonemeal supplemented with red oxide of iron and boneash have been tested out. In the preliminary experiment the ...
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(Pretoria : The Government Printer, 1948)1. The particle diameter of bluetongue virus (sheep virulent and egg adapted virus) was determined by gradocol membrane filtration. 2. Details of the technique for clarifying infective emulsions by aluminium hydroxide ...
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(Pretoria : The Government Printer, 1948)Green's distemper vaccine virus has been propagated 30 generations in developing hen eggs. Injections were made onto the chorio-allantoic membranes of eggs that had received a preliminary incubation of 8 days. Re-incubation ...
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(Pretoria : The Government Printer, 1948)
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(Pretoria : The Government Printer, 1948)1. The effects of a dry ration, high condition, and the restriction of sunlight, and exercise upon sexual activity and reproduction of beef females have been studied. The observations were conducted on 30 grade (mostly ...
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(Pretoria : The Government Printer, 1948)1. The only diastases present in the rumen seem to be those secreted by ruminal bacteria, which would then be responsible for the entire starch disintegration seen there. 2. In the rumen of sheep receiving a regular ...
Now showing items 1-20 of 25