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Full-Text Articles in Aquaculture and Fisheries
Vaccines For Infection Salmon Anemia Virus, Nathan Edward Charles Brown
Vaccines For Infection Salmon Anemia Virus, Nathan Edward Charles Brown
Electronic Theses and Dissertations
Infectious salmon anemia (ISA) virus is an emerging pathogen of fanned Atlantic salmon. Due to the massive economic losses inflicted by the ISA virus, effective measures to control future outbreaks are necessary. An attractive method for preventing ISA virus from infecting stocks of Atlantic salmon is vaccination. DNA vaccination is a proven cheap, effective means of protecting fish from aquatic viruses. In this thesis DNA vaccination of Atlantic salmon was investigated. Three different strains of ISA virus were cultured and purified by density gradient ultracentrifugation. ISA virus RNA was isolated and used to amplify full-length cDNAs of five ISA virus …
Demographic Assessment Of The Blue Crab (Callinectes Sapidus) In Chesapeake Bay Using Extractable Lipofuscins As Age Markers, Se-Jong Ju, David H. Secor, H. Rodger Harvey
Demographic Assessment Of The Blue Crab (Callinectes Sapidus) In Chesapeake Bay Using Extractable Lipofuscins As Age Markers, Se-Jong Ju, David H. Secor, H. Rodger Harvey
OES Faculty Publications
The blue crab (Callinectes sapidus) plays an important economic and ecological role in estuaries and coastal habitats from the Gulf of Mexico to the east coast of North America, but demographic assessments are limited by length-based methods. We applied an alternative aging method using biochemical measures of metabolic byproducts (lipofuscins) sequestered in the neural tissue of eyestalks to examine population age structure. From Chesapeake Bay, subsamples of animals collected from the 1998-99 (n-769) and 1999-2000 (n=367) winter dredge surveys were collected and lipofuscin was measured. Modal analysis of the lipofuscin index provided separation into three modes, whereas carapace-width …