An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast

ABSTRACT: The current study aimed to describe the massive mortality of farmed Nile tilapia Oreochromis niloticus associated with the monogenean Gyrodactylus cichlidarum from the northwestern Mexican Pacific coast. The ectoparasite was identified using measurements of the hard parts and compared with...

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Autores principales:	Grano-Maldonado,Mayra I., Rodríguez-Santiago,María Amparo, García-Vargas,Fernando, Nieves-Soto,Mario, Soares,Florbela
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2018
Materias:	Gyrodactylus ectoparasite Oreochromis tilapia aquaculture northwestern Mexico
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000500961
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spelling	oai:scielo:S0718-560X20180005009612019-04-03An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coastGrano-Maldonado,Mayra I.Rodríguez-Santiago,María AmparoGarcía-Vargas,FernandoNieves-Soto,MarioSoares,Florbela Gyrodactylus ectoparasite Oreochromis tilapia aquaculture northwestern Mexico ABSTRACT: The current study aimed to describe the massive mortality of farmed Nile tilapia Oreochromis niloticus associated with the monogenean Gyrodactylus cichlidarum from the northwestern Mexican Pacific coast. The ectoparasite was identified using measurements of the hard parts and compared with previous literature. Approximately 20,000 tilapias were subjected to subsequent losses over a three day period, a total of 2% of the initial seed stocked died due to the presence of this gyrodactylid parasite. The presence of the monogenean was the principal cause for chemical treatments. There is no doubt that infections by parasites have major consequences for species of small fish in culture and must consequently be considered as a fundamental factor within any system of aquaculture. A histo-pathological examination of the gills of fish showed the presence of the monogenean attached to the fi laments was causing hyperplasia. The fish showed no signs of bacteria or virus infection. This study reports for the first time the occurrence of massive mortality caused by this monogenean in a tilapia fish farm in the Mexican Pacific and also extends their known geographical distribution.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.46 n.5 20182018-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000500961en10.3856/vol46-issue5-fulltext-9
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Gyrodactylus ectoparasite Oreochromis tilapia aquaculture northwestern Mexico
spellingShingle	Gyrodactylus ectoparasite Oreochromis tilapia aquaculture northwestern Mexico Grano-Maldonado,Mayra I. Rodríguez-Santiago,María Amparo García-Vargas,Fernando Nieves-Soto,Mario Soares,Florbela An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast
description	ABSTRACT: The current study aimed to describe the massive mortality of farmed Nile tilapia Oreochromis niloticus associated with the monogenean Gyrodactylus cichlidarum from the northwestern Mexican Pacific coast. The ectoparasite was identified using measurements of the hard parts and compared with previous literature. Approximately 20,000 tilapias were subjected to subsequent losses over a three day period, a total of 2% of the initial seed stocked died due to the presence of this gyrodactylid parasite. The presence of the monogenean was the principal cause for chemical treatments. There is no doubt that infections by parasites have major consequences for species of small fish in culture and must consequently be considered as a fundamental factor within any system of aquaculture. A histo-pathological examination of the gills of fish showed the presence of the monogenean attached to the fi laments was causing hyperplasia. The fish showed no signs of bacteria or virus infection. This study reports for the first time the occurrence of massive mortality caused by this monogenean in a tilapia fish farm in the Mexican Pacific and also extends their known geographical distribution.
author	Grano-Maldonado,Mayra I. Rodríguez-Santiago,María Amparo García-Vargas,Fernando Nieves-Soto,Mario Soares,Florbela
author_facet	Grano-Maldonado,Mayra I. Rodríguez-Santiago,María Amparo García-Vargas,Fernando Nieves-Soto,Mario Soares,Florbela
author_sort	Grano-Maldonado,Mayra I.
title	An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast
title_short	An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast
title_full	An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast
title_fullStr	An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast
title_full_unstemmed	An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast
title_sort	emerging infection caused by gyrodactylus cichlidarum paperna, 1968 (monogenea: gyrodactylidae) associated with massive mortality on farmed tilapia oreochromis niloticus (l.) on the mexican pacific coast
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000500961
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An emerging infection caused by Gyrodactylus cichlidarum Paperna, 1968 (Monogenea: Gyrodactylidae) associated with massive mortality on farmed tilapia Oreochromis niloticus (L.) on the Mexican Pacific coast

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