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Effects of the Trematode Bolbophorus...

Gunn, Mackenzie Ann.

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Effects of the Trematode Bolbophorus damnificus on Channel and Hybrid Catfish.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Effects of the Trematode Bolbophorus damnificus on Channel and Hybrid Catfish./
Author:	Gunn, Mackenzie Ann.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
Description:	100 p.
Notes:	Source: Masters Abstracts International, Volume: 81-11.
Contained By:	Masters Abstracts International81-11.
Subject:	Animal diseases. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27837462
ISBN:	9798643196631

Effects of the Trematode Bolbophorus damnificus on Channel and Hybrid Catfish.
Gunn, Mackenzie Ann.

Effects of the Trematode Bolbophorus damnificus on Channel and Hybrid Catfish. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 100 p.

Source: Masters Abstracts International, Volume: 81-11.

Thesis (M.S.)--Mississippi State University, 2020.

This item must not be sold to any third party vendors.

The trematode Bolbophorus damnificus (Digenea: Bolbophoridae) has deleterious effects on production efficiency of farm-raised catfish. The effects of B. damnificus on channel and hybrid catfish, as well as the prevalence and longevity of the trematode stages impacting production, are not well understood. This study aimed to understand the prevalence of infected snails, determine the longevity and site specificity of B. damnificus cercaria in catfish, and compare mortality and physiological response between channel and hybrid catfish during infection. The infectivity and survival of B. damnificus cercariae declined significantly at 12h intervals from 12-36h, and subsequent trials were standardized using cercariae <12h old. Metacercariae persisted in both fish types for 13 months and were found commonly in the posterior midsection. Hybrid catfish exhibited lower mortality than channel catfish. Exposed catfish exhibited anemia corresponding to parasite encapsulation, however no difference was found between fish types in physiological response during infection and subsequent recovery.

ISBN: 9798643196631Subjects--Topical Terms:

3181862
Animal diseases.
Subjects--Index Terms:

Aquaculture

Effects of the Trematode Bolbophorus damnificus on Channel and Hybrid Catfish.
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300 $a 100 p.
500 $a Source: Masters Abstracts International, Volume: 81-11.
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502 $a Thesis (M.S.)--Mississippi State University, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a The trematode Bolbophorus damnificus (Digenea: Bolbophoridae) has deleterious effects on production efficiency of farm-raised catfish. The effects of B. damnificus on channel and hybrid catfish, as well as the prevalence and longevity of the trematode stages impacting production, are not well understood. This study aimed to understand the prevalence of infected snails, determine the longevity and site specificity of B. damnificus cercaria in catfish, and compare mortality and physiological response between channel and hybrid catfish during infection. The infectivity and survival of B. damnificus cercariae declined significantly at 12h intervals from 12-36h, and subsequent trials were standardized using cercariae <12h old. Metacercariae persisted in both fish types for 13 months and were found commonly in the posterior midsection. Hybrid catfish exhibited lower mortality than channel catfish. Exposed catfish exhibited anemia corresponding to parasite encapsulation, however no difference was found between fish types in physiological response during infection and subsequent recovery.
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