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Do scavengers influence Dermo diseas...

Diamond, Elizabeth Anne.

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Do scavengers influence Dermo disease (Perkinsus marinus) transmission? Experiments in oyster parasite trophic interactions.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Do scavengers influence Dermo disease (Perkinsus marinus) transmission? Experiments in oyster parasite trophic interactions./
作者:	Diamond, Elizabeth Anne.
面頁冊數:	76 p.
附註:	Source: Masters Abstracts International, Volume: 51-02.
Contained By:	Masters Abstracts International51-02(E).
標題:	Biology, Oceanography. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1520065
ISBN:	9781267673619

Do scavengers influence Dermo disease (Perkinsus marinus) transmission? Experiments in oyster parasite trophic interactions.
Diamond, Elizabeth Anne.

Do scavengers influence Dermo disease (Perkinsus marinus) transmission? Experiments in oyster parasite trophic interactions. - 76 p.

Source: Masters Abstracts International, Volume: 51-02.

Thesis (M.S.)--Rutgers The State University of New Jersey - New Brunswick, 2012.

Perkinsus marinus is the protozoan endoparasite of the Eastern oyster (Crassostrea virginica) responsible for Dermo disease. While not harmful to humans, Dermo disease causes extensive oyster mortality, increasing annual natural mortality from 10 to 35% or more in Delaware Bay annually. The disease spreads through the water as parasites are shed from infected and moribund hosts. One prior study has indicated that scavengers may spread the parasite to new hosts, but little information exists as to how such trophic interactions affect host-parasite dynamics.

ISBN: 9781267673619Subjects--Topical Terms:

783691
Biology, Oceanography.

Do scavengers influence Dermo disease (Perkinsus marinus) transmission? Experiments in oyster parasite trophic interactions.
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520 $a Perkinsus marinus is the protozoan endoparasite of the Eastern oyster (Crassostrea virginica) responsible for Dermo disease. While not harmful to humans, Dermo disease causes extensive oyster mortality, increasing annual natural mortality from 10 to 35% or more in Delaware Bay annually. The disease spreads through the water as parasites are shed from infected and moribund hosts. One prior study has indicated that scavengers may spread the parasite to new hosts, but little information exists as to how such trophic interactions affect host-parasite dynamics.
520 $a From July 2010 to September 2011, uninfected, or specific-pathogen free (SPF) oyster hosts were exposed in the laboratory to four different species of scavengers feeding on infected or uninfected oyster tissue. In each experiment, the accumulation of P. marinus in oyster hosts was compared after 1-2 months as a measure of parasite transmission. Results indicated that scavengers, regardless of species, increase the rate of parasite transmission to new hosts when compared to passive shedding of parasites from infected tissue alone. These laboratory studies demonstrate that non-host organisms for the parasite have their own sets of interactions that can influence disease dynamics, and such interactions should be taken into consideration in future studies where transmission dynamics come into play.
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