Detection of Five Pathogens from Kuruma Prawn Marsupenaeus japonicus Farmed in Dalian Region
CHEN Wenbo1, REN Xue2, LI Na3, ZHANG Saisai1, LI Linhan1, ZENG Fanshuang2, HAN Yuzhe2, REN Tongjun2
1. Dalian Ocean Development Affairs Service Center, Dalian 116023, China; 2. College of Fisheries and Life Science, Dalian Ocean University, Dalian 116023, China; 3. Dalian Supply and Marketing Asset Operation Co., Ltd, Dalian 116023, China
Abstract：Shrimp hemocyte iridescent virus (SHIV), white spot syndrome virus (WSSV), infectious hypodermal and hematopoietic necrosis virus (IHHNV), Vibrio parahaemolyticus acute hepatopancreatic necrosis disease (VPAHPND), and Enterocytozoon hepatopenaei (EHP) were detected in samples of kuruma prawn Penaeus japonicus with body weight of (22.5±2.5) g collected fromthe main farm regions in Dalian region, Liaoning Province, including Chengzitan, Xianyuwan, Qingdui, and other 5 regions in September 2019 by PCR methods. The results showed that the main pathogens carried by the kuruma prawn were WSSV, SHIV, EHP, IHHNV and VPAHPND, with positive detection rates of 9.99%, 4.30%, 3.74%, 2.24%, and 1.05%, respectively. In addition, WSSV and VPAHPND from Chengzitan region showed the maximal positive rates, and SHIV, IHHNV and EHP from Qingdui, Xianyuwan and Shihe regions showed the maximal positive rates. The findings will provide scientific reference for the pathogen control strategies for kuruma prawn culture in Dalian.
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2024, Vol. 43 
