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[Annelida] SPF polychaetes

Chris Glasby via annelida%40net.bio.net (by chris.glasby from nt.gov.au)
Sun Feb 8 19:39:55 EST 2009

Hi Gordon,

Two more examples involving polychaetes as disease vectors:

1. Salmon (a freshwater sabellid polychaete host to a salmonid parasite,
but not sure if causes disease - check references below)

Bartholomew, J. L., Atkinson, S. D. & Hallett, S. L. (2006) Involvement
of Manayunkia speciosa (Annelida : Polychaeta : Sabellidae) in the life
cycle of Parvicapsula minibicornis, a myxozoan parasite of Pacific
salmon. Journal of Parasitology, 92, 742-748.

Bartholomew, J. L., Atkinson, S. D., Hallett, S. L., Zielinski, C. M. &
Foott, J. S. (2007) Distribution and abundance of the salmonid parasite
Parvicapsula minibicornis (Myxozoa) in the Klamath River basin
(Oregon-California, USA). Diseases of Aquatic Organisms, 78, 137-146.

Bartholomew, J. L., Whipple, M. J., Stevens, D. G. & Fryer, J. L. (1997)
The life cycle of Ceratomyxa shasta, a myxosporean parasite of
salmonids, requires a freshwater polychaete as an alternate host.
Journal of Parasitology, 83, 859-868.

Stocking, R. W. & Bartholomew, J. L. (2007) Distribution and habitat
characteristics of Manayunkia speciosa and infection prevalence with the
parasite Ceratomyxa shasta in the Klamath River, Oregon-California.
Journal of Parasitology, 93, 78-88.

2. QX disease in oysters (no scientific literature that I am aware of
but check the website:



-----Original Message-----
From: annelida-bounces from oat.bio.indiana.edu
[mailto:annelida-bounces from oat.bio.indiana.edu] On Behalf Of Gordon Bock
Sent: Monday, 9 February 2009 5:53 AM
To: annelida from magpie.bio.indiana.edu
Subject: [Annelida] SPF polychaetes

Hello everybody,

Does anyone know about polychaetes being a vector for diseases? I know
about the White Spot Syndrome Virus (WSSV) that can be transmitted onto
shrimp (Vijayan et al. 2009). Are there any other crustaceans, molluscs
or finfish that can be infected through polychaetes?
For the aquaculture industry it is important that the broodstock
nutrition has a specific pathogen free status (SPF). It defines that
organisms within the feed should be free of pathogens including viruses,
bacteria and parasites. I would further like to know that if the feed
contains polychaetes which tests are routinely being conducted to proove
this status (SPF)?

I would be thankful for any information, advice or even scientific
abstracts on the subject.
You can also send me an email to gordonbock from web.de.

Have a nice day, 

Gordon Bock

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