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Sean Nepper

FInfish Producer, Intermountain States - IAC Chair
Institution / Organization:Riverence FarmsEmail:[email protected]
WRAC investigator Dennis Hedgecock (left) deploying a group of hybrid oysters for yield evaluation with Chris Pratt of Taylor Resources, Inc.

Hedgecock, Improving Pacific oyster broodstocks

WRAC investigator Dennis Hedgecock (left) deploying a group of hybrid oysters for yieldevaluation with Chris Pratt of Taylor Resources, Inc. 2003; Photo: Jonathan Davis
Duration:4 yearsFunded Date:9/1/2001Funding level:$395,400 Location:California - CA, Oregon - OR, non-WRAC statesTopics:Broodstock, Genetics, HatcherySpecies:Oysters, Pacific oysters
Rapid Assay test of trout spat

Efficient, rapid assay for predicting the growth rate of aquaculture species based on metabolic rate of the fertilized egg

Renquist - Rapid Assay for Prediction Growth Rate of Aquaculture Species - trout -2013; Photo: Benjamin Renquist
Duration:2 yearsFunded Date:9/1/2012Funding level:$120,000Location:Arizona – AZ, Idaho - ID, Oregon - ORTopics:Culture/egg quality, Hatchery, Metabolic rate, Rapid assaySpecies:Oysters, Tilapia
WRAC investigator Dennis Hedgecock (left) deploying a group of hybrid oysters for yield evaluation with Chris Pratt of Taylor Resources, Inc.

Hedgecock, Crossbreeding Pacific oysters for high yield

WRAC investigator Dennis Hedgcock (left) deploying a group of hybrid oysters for yield evaluation with Chris Pratt of Taylor Resources, Ind.
Duration:2 yearsFunded Date:9/1/2001Funding level:$214,008Location:California - CA, Oregon - OR, Washington - WATopics:Culture, Genetics, HatcherySpecies:Oysters, Pacific oysters
Adapting aquaculture to changing water chemistry in the Pacific Northwest

Adapting aquaculture to changing water chemistry in the Pacific Northwest

Adapting aquaculture to changing water chemistry in the Pacific Northwest; Photo: Courtesy of George Waldbusser
Duration:4 yearsFunded Date:9/1/2012Funding level:$318,627Location:Oregon - OR, Washington - WATopics:Hatchery, Water quality - fresh and marineSpecies:Oysters
Engle - Economic impacts of Regulations - Illustration: Scite@ - Science Crunchers

The economic impact of regulations on shellfish and trout aquaculture growth in the western United States

Engle - Economic impact of regulations 2016; Illustration: Scite® – Science Crunchers
If You Feed Them, Cutthroat trout hatchlings

If you feed them, will they grow?  A dietary approach to improving the growth of juvenile cutthroat trout

Myrick - Dietary approach for Juvenile Cuttthroat trout - 2013; Photo: Courtesy of
home image 2

Triploids, tetraploids, and successful metamorphosis in Purple hinge rock scallop (Crassadoma gigantean)

Davis - Triples, Tetraploids - Purple Hinge Rock Scallop 2016; Photo: Josh Davis
Duration:4 yearsFunded Date:9/1/2012Funding level:$357,269Location:California - CA, Washington - WATopics:Culture, Grow out, Hatchery, Ploidy/polyploidySpecies:Rock Scallop
assorted fish feeds - clockwise from top right: liver meal, soybean mea, krill meal, de-boned whitefish meal, squid meal, wheat gluten meal; center; corn fluent meal

Dong, Development of economical, high-performance, low-polluting feeds and feeding strategies

Fish feeds; clockwise from top right: Iiver meal, soybean meal, grill meal, de-boned whitefish meal, squid meal, meat gluten meal; Center: corn gluten meal; Photo: Cathy Schwartz
Factors Affecting Caviar Yield - in the lab

Environmental and endogenous factors affecting egg quality and caviar yield in farmed sturgeon

Doroshov - Egg quality an caviar yield in farmed sturgeon -2013 - Photo: Fred Conte
Duration:4 yearsFunded Date:9/1/2010Funding level:$480,000Location:California - CA, Idaho - ID, Montana - MT, Washington - WATopics:Broodstock, Diet and Nutrition, Economics, Grow outSpecies:Sturgeon
Optimizing the Larval Nutrition of Marine Finfish -

Optimizing the larval nutrition of marine finfish aquaculture species along the West Coast

Optimizing larval nutrition of marine finfish aquaculture 2010- Drawbridge
Duration:3 yearsFunded Date:9/1/2010Funding level:$200,544Location:California - CA, Idaho - ID, Oregon - ORTopics:Diet and Nutrition, HatcherySpecies:Yellowtail
Hawkyard - Oral Vaccine for Prevention of Disease - credit: Courtesy of Matt Hawkyard

Development of oral vaccine delivery methods for prevention of disease in finfish culture

This project intends to harness the potential of novel complex particles to aid in oral vaccination.
Duration:4 years (2019-2022)Funded Date:8/1/2018Funding level:$479,900Location:Idaho - ID, Oregon - OR, Washington - WATopics:Vaccine deliverySpecies:Sablefish, Trout
juvenile coho salmon

Moffitt, Disease interactions between wild and cultured salmonids

This project endeavors to collate and examine data regarding the presence of pathogens amongst both free ranging and cultured salmonids [...]
Analyzing blood chemistry parameters in white sturgeon plasma to assess the use of specific analytes as indicators of stage of maturity; Photo: Molly Webb

Determining ripeness in white sturgeon females to maximize yield and quality of caviar

Analyzing blood chemistry parameters in white sturgeon plasma to assess the use of specific analytes as indicators of stage of maturity. Photo: Molly Webb
Duration:4 yearsFunded Date:9/1/2007Funding level:$400,003Location:California - CA, Idaho - ID, Montana - MT, Washington - WATopics:Culture/egg qualitySpecies:Sturgeon

John Seals

Institution / Organization:USFWS Mora National Fish Hatchery and Technology Center
Sealey - Alternative protein diets for rainbow trout - 2012

Cost-effective, alternative protein diets for rainbow trout that support optimal growth, health, and product quality

The continuous advancement of sustainable farming practices remains at the forefront for aquaculture producers, particularly in relation to minimizing environmental [...]