Fish Diseases and Management

5.4.1 Important viral diseases of shrimps

5.4.1 Important viral diseases of shrimps

Currently, over 14 virus diseases of cultured shrimp are recognised. Each of these viruses is comprised of many strains and some of them are highly pathogenic to certain species while others are not harmful. The major viruses of shrimps are as follows:

ssRNA viruses

Dicistroviridae - (TSV) Taura syndrome virus

Roniviridae- (YHV) Yellow head virus

(GAV) Gill-associated virus

Bunyaviridae- (MoV) Mourilyan virus

Totiviridae- IMNV Infectious myonecrosis virus

Rhabdoviridae- RPS

Togaviridae- (LOVV) Lymphoid organ vacuolisation virus

Nodaviridae-(MrNV/XSV) Macrobrachium rosenbergii  nodavirus/extra small virus

Laem-Singh Virus (LSNV)

dsRNA viruses

Birnaviridae (IPN-like virus) Infectious pancreatic necrosis-like virus

Reoviridae (Reo-Pj) reovirus - P. japonicus

ssDNA viruses

Parvoviridae- IHHNV Infectious hemocytic and hematopoietic virus

HPV Hepatopancreatic parvovirus

dsDNA viruses

Baculoviridae- Nonoccluded bacilliform virus BMNV or (PjNOB) Baculoviral midgut gland necrosis virus

PvNPV or (BP-type)- Single-nucleocapsid polyhedrosis PmNPV or(MBV-type)

MbNPV- Single-nucleocapsid polyhedrosis virus

Nimaviridae- WSSV White spot syndrome virus