Susceptibility of Shellfish Aquaculture Species in the Chesapeake Bay and Maryland Coastal Bays to the Ostreid Herpesvirus-1 Microvariants ...

• Main Author: Kachmar, Mariah Lynn
• Format: Article in Journal/Newspaper
• Language: unknown
• Published: Maryland Shared Open Access Repository 2022
• Subjects: Aquaculture; Disease; Eastern oyster; Hard clam; Maryland; OsHV-1; Pacific; Crassostrea gigas; Northwest Atlantic; Pacific oyster
• Online Access: https://dx.doi.org/10.13016/m2rt16-zyyg; https://mdsoar.org/handle/11603/27345

The Ostreid herpesvirus 1(OsHV-1) and its microvariants are highly virulent pathogens that cause mass mortalities of oysters and pose a threat to the shellfish aquaculture industry globally. OsHV-1 causes economically devastating mass mortality events up to 100% in the pacific oyster (Crassostrea gigas). However, OsHV-1 and its variants lack host specificity and are known to infect a range of bivalve species, such as bay scallops (Argopecten irradians), and be carried by the European green crab (Carcinus maenas). A recent laboratory study indicates that the eastern oyster (Crassostrea virginica) can experience infection and mortality from OsHV-1 which has significant implications for aquaculture species used in Maryland and globally, as eastern oysters have a wide geographic range spanning Northwest Atlantic to Panama and Venezuela. Therefore, determining the susceptibility of economically and ecologically important United States bivalve species to OsHV-1 is an essential step in improving biosecurity and ...