Infectious Hypodermal and Hematopoietic Necrosis Virus (IHHNV)

IHHNV is the smallest penaeid shrimp viruses, and are infectious to P. vannamei and P. monodon. IHHNV has been detected eggs, larvae, postlarvae, juveniles and adults of P. vannamei. Eggs produced by IHHNV infected brooders were found to generally fail to hatch or if hatched, nauplii infected with IHHNV

Clinical Signs : Either acute or chronic, Poor growth, Deformities, Bent rosturms

Mode of transmission : Can be by horizontal or vertical routes

Mortality : High mortalities are unusual, growth suppression and deformities are common