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|Title:||Investigations into an acute paralysis syndrome in broiler chickens||Contributor(s):||Sharpe, Brendan Douglas (author); Katz, Margaret E (author); Reece, R (author); Renz, Katrin (author); Walkden-Brown, Steve W (author)||Publication Date:||2014||Handle Link:||https://hdl.handle.net/1959.11/18865||Abstract:||The acute paralysis syndrome (APS) under investigation at the University of New England (UNE) and the Elizabeth Macarthur Agricultural Institute (EMAI), is characterised by paralysis causing sternal recumbency and marked flaccidity of the head and neck in broiler chickens, leading to death, from 24 - 40+ days of age, with typically low flock mortality. Disease is more common in warmer periods of the year, and has not been observed in other than broiler chickens. Affected birds do not typically display gross lesions, rather associated histopathological lesions include perivascular cuffing of mononuclear cells, perivascular oedema, and endothelial hypertrophy in the cerebrum and spinal cord, and additionally in the spinal cord, wallerian degeneration. Diagnostics performed in the field do not support the involvement of a range of potential causative agents including Clostridium botulinum, avian influenza (Al), and Newcastle disease (ND). Marek's disease virus (MDV) has been detected in affected flocks, however the incidence of APS has not fallen in response to HVT vaccination.||Publication Type:||Conference Publication||Conference Name:||Australasian Veterinary Poultry Association (AVPA) Scientific Meeting, Gold Coast, Australia, 28th - 29th May, 2014||Conference Details:||Australasian Veterinary Poultry Association (AVPA) Scientific Meeting, Gold Coast, Australia, 28th - 29th May, 2014||Source of Publication:||Australasian Veterinary Poultry Association Proceedings, p. 16-17||Publisher:||Australasian Veterinary Poultry Association||Place of Publication:||Gold Coast, Australia||Field of Research (FOR):||070708 Veterinary Parasitology||HERDC Category Description:||E2 Non-Refereed Scholarly Conference Publication||Statistics to Oct 2018:||Visitors: 105
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School of Environmental and Rural Science
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