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Acute hepatopancreatic necrosis disease (AHPND) outbreaks in Penaeus vannamei and P. monodon cultured in the Philippines

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Associated URL
www.int-res.com
Date
2015
Author
de la Peña, Leobert D.
Cabillon, Nikko Alvin R.
Catedral, Demy D.
Amar, Edgar C.
Usero, Roselyn C.
Monotilla, Wilberto D.
Calpe, Adelaida T.
Fernandez, Dalisay DG.
Saloma, Cynthia P.
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Abstract
Acute hepatopancreatic necrosis disease (AHPND) has recently emerged as a serious disease of cultured shrimp. It has also been described as early mortality syndrome (EMS) due to mass mortalities occurring within 20 to 30 d after stocking of ponds with postlarvae. Here, Penaeus vannamei and Penaeus monodon from shrimp farms in the Philippines were examined for the toxin-producing strain of Vibrio parahaemolyticus due to AHPND-like symptoms occurring in marketable size shrimp. In the P. vannamei, histology revealed typical AHPND pathology, such as sloughing of undifferentiated cells in the hepatopancreatic tubule epithelium. Analysis using the IQ2000 AHPND/EMS Toxin 1 PCR test generated 218 bp and 432 bp amplicons confirmative of the toxin-producing strain of V. parahaemolyticus among shrimp sampled from 8 of 9 ponds. In the P. monodon, histology revealed massive sloughing of undifferentiated cells of the hepatopancreatic tubule epithelium in the absence of basophilic bacterial cells. PCR testing generated the 2 amplicons confirmatory for AHPND among shrimp sampled from 5 of 7 ponds. This study confirms the presence of AHPND in P. vannamei and P. monodon farmed in the Philippines and suggests that the disease can also impact late-stage juvenile shrimp.
URI
http://hdl.handle.net/10862/3081
Suggested Citation
de la Peña, L. D., Cabillon, N. A. R., Catedral, D. D., Amar, E. C., Usero, R. C., Monotilla, W. D., Calpe, A. T., Fernandez, D. D., & Saloma, C. P. (2015). Acute hepatopancreatic necrosis disease (AHPND) outbreaks in Penaeus vannamei and P. monodon cultured in the Philippines. Diseases of Aquatic Organisms, 116(3), 251-254. https://doi.org/10.3354/dao02919 
DOI
10.3354/dao02919
Subject
symptoms ASFA; pathology ASFA; shrimp culture ASFA; nucleotide sequence ASFA; DNA ASFA; polymerase chain reaction ASFA; microbiological strains ASFA; ponds ASFA; hepatopancreas ASFA; histopathology ASFA; Penaeus monodon AGROVOC; Decapoda AGROVOC; Vibrio parahaemolyticus AGROVOC; Penaeus vannamei AGROVOC; Philippines AGROVOC
Taxonomic term
Penaeus monodon GBIF; Penaeus vannamei GBIF
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