Taura syndrome virus (TSV) in Thailand and its relationship to TSV in China and the Americas

ทอร่าซินโดรมไวรัส (TSV) ในประเทศไทยและความสัมพันธ์ต่อทอร่าซินโดรมไวรัสในประเทศจีนและแถบอเมริกา

Name: Nielsen, Linda

Organization : King Mongkut's University of Technology Thonburi. School of Bioresources and Technology. Biochemical Technology

keyword: Taura Syndrome Virus

; ทอร่าซินโดรมไวรัส

Abstract: The cultivation of exotic Penaeus vannamei in Thailand began on a very limited scale inthe late 1990' s but a Thai government ban on the cultivation of Penaeus monodon infresh water areas in 2000 led many shrimp farmers there to shift to cultivation of P.vannamei. High growth rates and high yield from imported stocks and dissatisfactionwith widespread slow growth in cultivated P. monodon in 2001 and 2002 led to evenwider adoption of P. vannamei as an alternative. Alarmed by the possibility of TSVintroduction, the Thai Department of Fisheries required that imported stocks of P.vannamei be certified free of TSV by RT-PCR testing. During the interval, over150,000 broodstock shrimp were imported, 67% from China and Taiwan. In spite of thesafeguards, TSV outbreaks occurred and were confirmed by RT-PCR in early 2003.This resulted in a governmental ban on all shrimp broodstock imports from February2003, but TSV outbreaks have continued, possibly due to the illegal importation ofstocks. Examination of the viral coat protein gene VPl amplified by PCR from severalisolates of TSV associated with 7 shrimp disease outbreaks in Thailand revealed that theThai isolates from a clade distinct from TSV isolates from the Americas. This suggeststhat TSV in Thailand arrived via China and Taiwan rather than directly from the Americas.

King Mongkut's University Technology Thonburi. Library

Address: กรุงเทพมหานคร (Bangkok)

Email: info.lib@mail.kmutt.ac.th

Name: Flegel, Timothy W

Role: Advisor

Name: Supapon cheevadhanarak

Role: Advisor

Created: 2004

Issued: 2007-06-15

Modified: 2007-07-20

วิทยานิพนธ์/Thesis

ISBN: 9741842031

CallNumber: BCT123

eng

Thailand

DegreeName: Master of Science

Level: Master's Degree

Descipline: Biochemical Technology

Grantor: King Mongkut's University of Technology Thonburi

©copyrights King Mongkut's University of Technology Thonburi

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