African Swine Fever Virus: Bluetongue Virus (Virology 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 sickness of ruminants, manifested clinically in sheep by way of a catarrhal irritation of the mucous mem­ branes of the digestive and breathing platforms and linked to degenerative alterations within the skeletal musculature. The profound emaciation and weak point which stick with the extreme illness are answerable for a prolonged convalescence and for critical fiscal losses because of reduced productiveness. II. old throughout the early colonisation of Africa, vulnerable Merino and different eu breeds of sheep have been brought into the Cape, in the beginning via the Dutch East India corporation among 1652 and 1785 and back later in 1870. A file of the farm animals and Sheep ailments fee (1876) files the looks of a significant febrile affliction among those imported sheep during which either morbidity and mortality was once excessive (cited via HENNING, 1949). HuTCHEON (1881) gave this sickness the identify of "Fever" or "Epizootic Catarrh", that allows you to distinguish it from different scientific stipulations of an identical nature encountered among sheep. within the first com­ prehensive description of this scientific syndrome and its epizootiology HuTCHEON (1902) spoke of it as "Malarial Catarrhal Fever of Sheep", a designation which used to be evidently encouraged through the flawed trust that an intracorpuscular parasite was once the first reason behind the illness. extra systematic experiences have been carried out by way of SPREULL (1902; 1905), who endeavoured to immunize sheep via the simultaneous inoculation of immune serum and infective blood.

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Additional info for African Swine Fever Virus: Bluetongue Virus (Virology Monographs Die Virusforschung in Einzeldarstellungen)

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1. Macroscopic Pathology . . . . . . . . . . . . . . . . . . . . 2. Histopathology. . . . . . . . . . . . . . . . . . . . . . . . 3. Clinical Pathology . . . . . . . . . . . . . . . . . . . . . . D. Immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. Immunological Response to Bluetongue Virus . . . . . . . . . . 2. Active Immunization ....... : .

56 56 58 60 60 61 63 63 63 65 66 VII. Classification and Nomenclature . . . . . . . . . . . . . . . . . . . 68 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Addendum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 74 Introduction - Historical 37 I. Introduction Bluetongue may be described as an acute insect borne disease of ruminants, manifested clinically in sheep by a catarrhal inflammation of the mucous membranes of the digestive and respiratory systems and associated with degenerative changes in the skeletal musculature.

Int. Epiz. 63, 723-731 (1965). , J. HAAG et B. LARENAUDIE: La peste porcine africaine (Maladie de Montgomery). L'expansion Editeur (1967). LUNGER, P. , and P. E. CAME: Cytoplasmic virus associated with Lucke tumor cells. Virology 30, 116-126 (1966). , and M. STOKER: Polyoma transformation of hamster cell clones and investigation of genetic factors affecting cell competence. Virology 16, 147151 (1962). MALMQUIST, W. : Propagation, modification and hemadsorption of African swine fever virus in cell cultures.

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