African Swine Fever Virus: Bluetongue Virus by William R. Hess, Peter G. Howell, Daniel W. Verwoerd

By William R. Hess, Peter G. Howell, Daniel W. Verwoerd

Bluetongue will be defined as an acute insect borne ailment of ruminants, manifested clinically in sheep via a catarrhal irritation of the mucous mem­ branes of the digestive and respiration platforms and linked to degenerative adjustments within the skeletal musculature. The profound emaciation and weak point which stick to the intense affliction are accountable for a chronic convalescence and for severe monetary losses as a result of decreased productiveness. II. ancient throughout the early colonisation of Africa, vulnerable Merino and different ecu breeds of sheep have been brought into the Cape, firstly through the Dutch East India corporation among 1652 and 1785 and back later in 1870. A record of the livestock and Sheep illnesses fee (1876) files the looks of a major febrile disorder among those imported sheep within which either morbidity and mortality used to be excessive (cited through HENNING, 1949). HuTCHEON (1881) gave this sickness the identify of "Fever" or "Epizootic Catarrh", in an effort to distinguish it from different scientific stipulations of an analogous nature encountered among sheep. within the first com­ prehensive description of this scientific syndrome and its epizootiology HuTCHEON (1902) mentioned it as "Malarial Catarrhal Fever of Sheep", a designation which was once evidently stimulated by means of the incorrect trust that an intracorpuscular parasite used to be the first explanation for the ailment. extra systematic experiences have been performed by way of SPREULL (1902; 1905), who endeavoured to immunize sheep through the simultaneous inoculation of immune serum and infective blood.

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Extra resources for African Swine Fever Virus: Bluetongue Virus

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1. Immunological Response to Bluetongue Virus . . . . . . . . . . 2. Active Immunization ....... : . . . . . . . . . . . . . . . . . E. Epizootiology..... . . . . . . . . . . . . . . . . . . . . . . . 56 56 58 60 60 61 63 63 63 65 66 VII. Classification and Nomenclature . . . . . . . . . . . . . . . . . . . 68 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2. Active Immunization ....... : . . . . . . . . . . . . . . . . . E. Epizootiology..... . . . . . . . . . . . . . . . . . . . . . . . 56 56 58 60 60 61 63 63 63 65 66 VII. Classification and Nomenclature . . . . . . . . . . . . . . . . . . . 68 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Addendum . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bull. Off. int. Epiz. 48, 395-402 (1957). LEVY, J. , R. J. HEUBNER, J. KERN, and R. V. GILDEN: High titre T antigen with minimal amounts of structural antigen in adenovirus-infected cells treated with hydroxyurea. ) 217, 744-745 (1968). , et R. CARNERO: Situation du virus de la peste porcine africaine dans la systematique virale. C. R. Acad. Sci. (Paris) 266, 1800-1801 (1968). , J. HAAG et B. LARENAUDIE: Les procedures du diagnostic de laboratoire utilisees en France a l'egard des pestes porcines.

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