Contagious Agalactia In Sheep And Goats: Current Perspectives

Maryne Jaÿ, Florence Tardy Université de Lyon, ANSES, Laboratoire de Lyon, VetAgro Sup, UMR Mycoplasmoses des Ruminants, Lyon 69364, FranceCorrespondence: Florence TardyANSES Laboratoire de Lyon, UMR Mycoplasmoses des Ruminants, 31 Avenue Tony Garnier Lyon Cedex 07 69364, FranceT...

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Autores principales:	Jaÿ M, Tardy F
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	contagious agalactia mycoplasma disease prevention and control diagnosis pathogenicity and infection course epidemiology Veterinary medicine SF600-1100
Acceso en línea:	https://doaj.org/article/2727f3f082654a149bcb633965f65be7
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spelling	oai:doaj.org-article:2727f3f082654a149bcb633965f65be72021-12-02T04:14:45ZContagious Agalactia In Sheep And Goats: Current Perspectives2230-2034https://doaj.org/article/2727f3f082654a149bcb633965f65be72019-12-01T00:00:00Zhttps://www.dovepress.com/contagious-agalactia-in-sheep-and-goats-current-perspectives-peer-reviewed-article-VMRRhttps://doaj.org/toc/2230-2034Maryne Jaÿ, Florence Tardy Université de Lyon, ANSES, Laboratoire de Lyon, VetAgro Sup, UMR Mycoplasmoses des Ruminants, Lyon 69364, FranceCorrespondence: Florence TardyANSES Laboratoire de Lyon, UMR Mycoplasmoses des Ruminants, 31 Avenue Tony Garnier Lyon Cedex 07 69364, FranceTel +33 4 78 69 68 43Email florence.tardy@anses.frAbstract: Contagious agalactia (CA) is a disease caused equally by four Mycoplasma species, in single or mixed infections. Clinical signs are multiple, including mastitis, arthritis, keratoconjunctivitis, pneumonia, and septicemia, non-specific, and expressed differently depending whether sheep or goats are affected, on causative mycoplasmas as well as type of husbandry. CA has been reported worldwide and its geographic distribution maps to that of small ruminant breeding areas. However, as current diagnostic tests are expensive and difficult to implement, it is certainly underdiagnosed and prevalence data are only available for a few countries. CA control relies on vaccines, chemotherapy and good herd management practices. It requires long-term commitment but is often unsuccessful, with frequent clinical relapses. The persistence of the etiological agents, despite their overall susceptibility to antimicrobials, comes from their genetic plasticity and capacity to escape the host immune response. The existence of asymptomatic carriers and the numerous sources of infections contribute to rapid spread of the disease and complicate the control and prevention efforts. Here we review all these aspects in order to highlight recent progress made and identify gaps in knowledge or tools needed for better disease management. Discussion also underlines the detrimental effect of contagious agalactia on small ruminant welfare.Keywords: contagious agalactia, mycoplasma, disease prevention and control, diagnosis, pathogenicity and infection course, epidemiologyJaÿ MTardy FDove Medical Pressarticlecontagious agalactiamycoplasmadisease prevention and controldiagnosispathogenicity and infection courseepidemiologyVeterinary medicineSF600-1100ENVeterinary Medicine: Research and Reports, Vol Volume 10, Pp 229-247 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	contagious agalactia mycoplasma disease prevention and control diagnosis pathogenicity and infection course epidemiology Veterinary medicine SF600-1100
spellingShingle	contagious agalactia mycoplasma disease prevention and control diagnosis pathogenicity and infection course epidemiology Veterinary medicine SF600-1100 Jaÿ M Tardy F Contagious Agalactia In Sheep And Goats: Current Perspectives
description	Maryne Jaÿ, Florence Tardy Université de Lyon, ANSES, Laboratoire de Lyon, VetAgro Sup, UMR Mycoplasmoses des Ruminants, Lyon 69364, FranceCorrespondence: Florence TardyANSES Laboratoire de Lyon, UMR Mycoplasmoses des Ruminants, 31 Avenue Tony Garnier Lyon Cedex 07 69364, FranceTel +33 4 78 69 68 43Email florence.tardy@anses.frAbstract: Contagious agalactia (CA) is a disease caused equally by four Mycoplasma species, in single or mixed infections. Clinical signs are multiple, including mastitis, arthritis, keratoconjunctivitis, pneumonia, and septicemia, non-specific, and expressed differently depending whether sheep or goats are affected, on causative mycoplasmas as well as type of husbandry. CA has been reported worldwide and its geographic distribution maps to that of small ruminant breeding areas. However, as current diagnostic tests are expensive and difficult to implement, it is certainly underdiagnosed and prevalence data are only available for a few countries. CA control relies on vaccines, chemotherapy and good herd management practices. It requires long-term commitment but is often unsuccessful, with frequent clinical relapses. The persistence of the etiological agents, despite their overall susceptibility to antimicrobials, comes from their genetic plasticity and capacity to escape the host immune response. The existence of asymptomatic carriers and the numerous sources of infections contribute to rapid spread of the disease and complicate the control and prevention efforts. Here we review all these aspects in order to highlight recent progress made and identify gaps in knowledge or tools needed for better disease management. Discussion also underlines the detrimental effect of contagious agalactia on small ruminant welfare.Keywords: contagious agalactia, mycoplasma, disease prevention and control, diagnosis, pathogenicity and infection course, epidemiology
format	article
author	Jaÿ M Tardy F
author_facet	Jaÿ M Tardy F
author_sort	Jaÿ M
title	Contagious Agalactia In Sheep And Goats: Current Perspectives
title_short	Contagious Agalactia In Sheep And Goats: Current Perspectives
title_full	Contagious Agalactia In Sheep And Goats: Current Perspectives
title_fullStr	Contagious Agalactia In Sheep And Goats: Current Perspectives
title_full_unstemmed	Contagious Agalactia In Sheep And Goats: Current Perspectives
title_sort	contagious agalactia in sheep and goats: current perspectives
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/2727f3f082654a149bcb633965f65be7
work_keys_str_mv	AT jaym contagiousagalactiainsheepandgoatscurrentperspectives AT tardyf contagiousagalactiainsheepandgoatscurrentperspectives
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Contagious Agalactia In Sheep And Goats: Current Perspectives

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