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Abstract

The new virus A4486 (Colombia 1967), isolated during breakdowns of immunity in vaccinated cattle, was compared with A4005 (A Colombia 1963) and A1433 (A Colombia 1957) by c.f. tests, cross-immunity tests in g.pigs and serum-protection tests in unweaned mice. The new virus showed practically no...

Author(s)
Turriago, G.; Lobo A. C. A.; Jaramiilo, M.; Morales, A.
Publisher
Office International des Epizooties, Paris, France
Citation
Bulletin de l'Office International des Epizooties, 1969, 71, pp 1155-1167
Abstract

A method for assessing the cross-vaccinating dose 50 (CVD50) in g.pigs is described. By this technique it is possible to differentiate variants, which it is not possible to do in a statistically significant manner by the qualitative test in cattle. It is possible to express, by coefficients, the...

Author(s)
Fontaine, J.; Terre, J.; Roumiantzeff, M.; Dubouclard, C.; Bornarel, P.; Favre, H.
Publisher
Societe des Sciences Veterinaires de Lyon, Lyon, France
Citation
Bulletin de la Societe des Sciences Veterinaires de Lyon, 1966, 68, pp 161-172
Abstract

The methods used to determine the efficiency of vaccines in common use in Kenya are given. The use of simultaneous and combined vaccines in animals is reviewed briefly. Experiments in the laboratory and the field were made in g.pigs and cattle to study the effects of using various combinations of...

Author(s)
Simpson, R. M.
Publisher
Comm. for Technical Cooperation in Africa South of the Sahara, Publ. Bureau, London, UK
Citation
Bulletin of epizootic diseases of Africa, 1964, 12, pp 405-428
Abstract

Three attenuated strains were produced by passaging Strain 119 (Type A) in either unweaned or weaned mice, or in chick embryos. After 102 passages in weaned or 78 passages in unweaned mice, steers remained free from clin, disease after inoculation into the tongue epithelium with 106 to 108 ID50 All ...

Author(s)
Skinner, H. H.; Smith, I. M.; Hollom, S. E.; Knight, E. H.
Citation
Archiv fur die gesamte Virusforschung, 1963, 12, pp 472-486
Abstract

Of 16 cows inoculated i/m with INFECTIOUS BOVINE RHINOTRACHEITIS virus at various stages of pregnancy, only ten calved normally; two of three aborted foetuses were deformed and three calves were still-born. The virus was recovered from vaginal swabs for up to 271 days after inoculation, and from...

Author(s)
Anon.
Publisher
Melbourne: CSIRO,
Citation
Australia. Commonwealth Scientific and Industrial Research Organization. Division of Animal Health. Annual report 1967-68., 1969, pp 58 pp.
Abstract

S. stated that he used a Type O field strain of F. & M. disease virus of proven virulence and immunogenic properties for passage through g. pigs and obtained a live vaccine in the form of a suspension of virulent g. pig blood in a certain medium which prolongs the viability of the virus and...

Author(s)
SVIRIDOV, A. A.
Publisher
Moscow,
Citation
Veterinariya, 1953, 30, 11, pp 18-19 pp.
Abstract

Foot and mouth disease virus. Type A. was rendered avirulent by 28 passages in day old chicks or 12 in embryonated eggs. These strains, were non-pathogenic, had good antigenicity and did not spread by contact. In field trials with the chick embryo strain immunity lasted at least eight months....

Author(s)
NóBrega, P.
Citation
Biologico, 1963, 29, pp 149-163
Abstract

The A. R. C. Field Station at Compton, the first research centre to be established under the direct control of the Council, was set up in 1938 primarily for the purpose of intensifying research into diseases of animals.
In developing the Station the policy has been to breed and rear a disease-free...

Publisher
London: H.M. Stat. Off.,
Citation
Report of the Agricultural Research Council for the year 1956-57., 1958, pp 152 pp.
Abstract

The report begins with a review of the Institute's principal activities and developments 1961-63 by Dr. Galloway, who retired at the end of 1963 after 24 years as director. Then come more detailed reports from the individual departments. Over 31/2 million doses of live and inactivated F & M...

Author(s)
Anon.
Publisher
Pirbright: The Institute,
Citation
Great Britain. The Animal Virus Research Institute Report for the years 1961-1963., 1964, pp 35 pp.
Abstract

I. Figures are given for the incidence of TUBERCULOSIS in cattle in tubercle-free herds, and tuberculosis protected areas, and in cattle supplying raw milk to towns. The incidence is lower in these cattle than in the general cattle population, in which the infected rate ranged from 0.l to 6.6% (18, ...

Author(s)
BELSCHNER, H. G.
Publisher
Sydney: A. H. Pettifer, Govt. Printer.,
Citation
Livestock Health and Animal Husbandry Reports No. 28 & 29. Recording the incidence of disease in stock, animal husbandry activities andresearch work accomplished during the years ended 30th June 1952 and 30th June 1953., 1954, pp 38; 54

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