Mass Mortality of Cherax quadricarinatus (Von Martens, 1868) Reared in Sicily (Italy): Crayfish Plague Introduced in an Intensive Farming
Published Online: 12/31/2014
Abstract
An episode of mortality in farmed redclaw crayfish, Cherax quadricarinatus, reared in Sicily, is described. Histological and PCR methods were used to identify the oomycetes, Aphanomyces astaci, as the causative agent of the disease. Mortality up to 30%, and haemocytic melanising response against hyphae in affected specimens, indicates a certain resistance of C. quadricarinatus towards A. astaci. Procambarus clarkii reared in the same facility is hypothesized to be the carrier of the pathogen. Evidence of mortality in redclaw crayfish held at higher temperatures than any previously investigated episodes is discussed in this paper.
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How to Cite
Marino F, Pretto T, Tosi F, Monaco S, De Stefano C, Manfrin A and Quaglio F. (2014). Mass Mortality of Cherax quadricarinatus (Von Martens, 1868) Reared in Sicily (Italy): Crayfish Plague Introduced in an Intensive Farming. Freshwater Crayfish 20(1):93-96. doi: 10.5869/fc.2014.v20-1.93
Author Information
Fabio Marino, Department of Veterinary Public Health, Faculty of Veterinary Medicine. University of Messina, Polo Universitario dell’Annunziata, Messina, , Italy98168. E-mail: marinof@unime.it
Tobia Pretto,* , Istituto Zooprofilattico Sperimentale delle Venezie, Via Leonardo da Vinci, 39, Adria (RO), , Italy45011. E-mail: TPretto@izsvenezie.it
Federica Tosi, , Istituto Zooprofilattico Sperimentale delle Venezie, Via Leonardo da Vinci, 39, Adria (RO), , Italy. E-mail: ftosi@izsvenezie.it
Salvatore Monaco, Department of Veterinary Public Health, Faculty of Veterinary Medicine. University of Messina, Polo Universitario dell’Annunziata, Messina, , Italy98168. E-mail: salvatoremonaco@virgilio.it
Carmelo De Stefano, Department of Veterinary Public Health, Faculty of Veterinary Medicine. University of Messina, Polo Universitario dell’Annunziata, Messina, , Italy. E-mail: cormelodestefano@libero.it
Amedeo Manfrin, , Istituto Zooprofilattico Sperimentale delle Venezie, Via Leonardo da Vinci, 39, Adria (RO), , Italy45011. E-mail: AManfrin@izsvenezie.it
Francesco Quaglio, Department of Comparative Biomedicine and Food Science , University of Padua, Via dell’Università, 16 , Legnaro (PD), , Italy35020. E-mail: francesco.quaglio@unipd.it
Corresponding Author indicated by an *.
Publication History
Manuscript Submitted: 6/13/2013
Manuscript Accepted: 1/6/2014
Published Online: 12/31/2014
Published in Print: 12/31/2014
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No specific funding statement is available for this article.