№ lp_2_2_02432
Technical chapter describing the infection, host range, viral characteristics, transmission, clinical signs, and prevalence of Yellow Head Virus Genotype 1 in shrimp populations.
Year: 2023
Region / Location: Global aquaculture, with examples from East Africa, Asia, Australia, Gulf of California
Subject: Aquatic animal health, viral diseases in shrimp
Document type: Scientific/technical chapter
Organization / Authority: World Organisation for Animal Health (WOAH)
Pathogen: Yellow head virus genotype 1 (YHV1)
Host species: Penaeus monodon, Penaeus stylirostris, Penaeus vannamei, Metapenaeus affinis, Palaemonetes pugio, and other susceptible and partially susceptible species
Infection routes: Direct infection, experimental exposure, contaminated aquaculture products
Viral characteristics: Enveloped rod-shaped virions, positive-sense single-stranded RNA genome, structural proteins p20, gp64, gp116
Clinical signs: Yellowish discoloration of cephalothorax, bleached appearance, abnormal feeding behavior, high mortality in juveniles
Transmission: No known vectors; waterborne survival up to 72 hours
Detection methods: Transmission electron microscopy, molecular methods (PCR, RT-PCR)
References: Chantanachookin et al., 1993; Lightner, 1996; Walker et al., 2001; Dong et al., 2017
Price: 8 / 10 USD
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