U.S. flagAn official website of the United States government
                    Here's how you know **Official websites use .gov**
                            
                            A **.gov** website belongs to an official government organization in the United States.
 **Secure .gov websites use HTTPS**
                            
                            A **lock** (                            
                              A locked padlock                                                      
                            
                            ) or **https://** means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


Menu Agricultural Research Service
						
                    U.S. DEPARTMENT OF AGRICULTURE
 National Cold Water Marine Aquaculture Center: Orono, ME
 close



    Research

                    Research Projects
                                    Publications
                                    Collaborations
                                    News
                People

                    Staff Listing
                                    CareersSearch small
                    Search
            
            ARS Home
                                About ARS
                                Contact Us




ARS Home Northeast Area Orono, Maine National Cold Water Marine Aquaculture Center Research Publications at this Location





- ARS National Programs
- Search for a scientific manuscript
- Search for a research project
- ARS Software
- Programs and Projects
- Collaborations
- Subjects of Investigation
- Publications
- IACUC Summary December 2021
- IACUC Summary June 2022
- IACUC Summary December 2022
- IACUC Summary June 2023
- IACUC Summary December 2023
- IACUC Summary June 2024

Title:   Author  item
                                            Wolters, Williamitem
                                            Burr, Garyitem
                                            Schrader, Kevinitem
                                            SUMMERFELT, STEVEN - Freshwater Institute
  Submitted to: Meeting Abstract
                                    Publication Type: Abstract Only
                                    Publication Acceptance Date: 2/3/2011
                                    Publication  Date: 5/15/2011
                                    Citation: Wolters, W.R., Burr, G.S., Schrader, K., Summerfelt, S.T. 2011. Off-flavor characterization and depuration in Atlantic salmon cultured to food-size within closed-containment systems [abstract]. Second International Marine Conservation Congress Special Session. p. 123.Interpretive Summary:
                                Technical Abstract: Atlantic salmon are typically cultured in marine net pens. However, technological advancements in recirculating aquaculture systems have increased the feasibility of culturing Atlantic salmon in land-based systems. One problem encountered when fish are harvested from recirculating systems is the presence of off-flavors. Moving fish from recirculating systems to tanks supplied with clean water for purging has been proposed to reduce or eliminate off-flavors, but effects on weight loss and fillet characteristics has not been adequately evaluated. Salmon were cultured in tanks equipped with recirculating biological filtration systems. Fish were sampled at multiple days. All fish were measured for body weight at the start of purging, weight at sampling day, fillet fat and color, and water and fillet samples were collected to measure levels of geosmin and 2-methylisoborneol (MIB). There was a significant effect of sampling day, but no effect of whether the fish were held in a purge tank or kept in the recirculating system on weight and fillet characteristics.  There was a significant decrease in weight, fillet fat, and fillet yield over 20 days. Fillet and water samples were evaluated to determine if geosmin and MIB are contributing to off-flavors; depuration for 10 or 15 days minimized off-flavor.


Return to top


Connect with ARS Sign up


ARS Home
                            USDA.gov
                            Plain Writing
                            Policies & Links
                            Civil Rights Statements
                            FOIA
                            Accessibility Statement
                            Privacy Policy
                            Non-Discrimination Statement
                            Quality of Information
                            USA.gov
                            WhiteHouse.gov