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A live virus vaccine (ATCvet code: QI04AD01 ) is made from scab material and usually given to ewes at the age of two months, but only to lambs when there is an outbreak. [9] The vaccine can cause disease in humans. [10] [11] In sheep and goats, the lesions mostly appear on or near the hairline and elsewhere on the lips and muzzle.
From the Greek derma (skin) + philos (loving), Dermatophilus congolensis is a Gram-positive, aerobic actinomycete, and facultatively anaerobic bacteria. D. congolensis infects the epidermis and produces exudative dermatitis termed dermatophilosis that was previously known as rain rot, rain scald, streptotrichosis, and mycotic dermatitis.
Diseases caused by viruses include: Akabane virus infection; bluetongue disease; border disease (hairy shaker disease) Cache Valley virus infection; caprine arthritis encephalitis (CAE) enzootic nasal adenocarcinoma; foot-and-mouth disease; mastitis; Nairobi sheep disease orthonairovirus (NSDV) infection
Scrapie and other transmissible spongiform encephalopathies are caused by prions. [19] Prions were determined to be the infectious agent because transmission is difficult to prevent with heat, radiation and disinfectants, the agent does not evoke any detectable immune response, and it has a long incubation period of between 18 months and 5 years. [20]
Variola caprina (goat pox) is a contagious viral disease caused by Goatpox virus, a pox virus that affects goats. The virus usually spreads via the respiratory system, and sometimes spreads through abraded skin. It is most likely to occur in crowded stock.
C. pseudotuberculosis causes a disease known as caseous lymphadenitis that most commonly affects small ruminants, such as goats and sheep. [9] [10] The disease often presents with pyogranulomatous abscess formation. [11] Abscessation can occur in numerous areas, but it most commonly affects the cutaneous region and superficial lymph nodes.
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Disease is caused by members of the Mycoplasma – usually Mycoplasma capricolum subsp. capricolum but sometimes by M. mycoides subsp. capri or M. mycoides subsp. mycoides. It is extremely contagious with very high morbidity and mortality rates, causing an interstitial fibrinous pleuropneumonia in infected goats. Infection is spread by close ...