Department of Fisheries Oceanography, Masters Thesis Defense by Michael Coute
When: Thursday,
September 16, 2021
9:00 AM
-
10:00 AM
Where: > See description for location
Description: The School for Marine Science and Technology
Department of Fisheries Oceanography
Masters Thesis Defense Announcement
"Effects of feed attractants and feeding frequency on the performance of tautog (Tautoga onitis) in recirculating aquaculture systems"
By
Michael Coute
Graduate Advisor & Dissertation Committee Chair:
Dr. Pingguo He (UMassD Fisheries Oceanography)
Committee:
Dr. Kevin Stokesbury (UMassD Fisheries Oceanography)
Dr. Dan Ward (Ward Aquafarms)
Thursday, September 16, 2021
9:00 am - 10:00 am
SMAST East, Rooms 101, 102, 103
and via Zoom
Abstract
Tautog (Tautoga onitis) are a valuable commercial and recreational finfish species along the western Atlantic coastline, but high demand has led to depleted populations. To counter this decline, tautog have been identified as a candidate for finfish aquaculture. Worldwide, aquaculture is the main source of fish for human consumption and is propelled by advancements in technology and production. Two important aspects of finfish farms include the type of feed, and the techniques associated with feed delivery. Growth performance was tested by comparing diets supplemented with feed attractants in the form of hydrolysates created from Atlantic longfin squid (Doryteuthis pealeii) and green crab (Carcinus maenas). Additionally, tautog feeding behavior was incorporated into culture methods by focusing on how and when feed was distributed to individual fish. Fish were fed the same weight(g) of commercial pellets at different intervals throughout the day and night. The aims of this thesis were to 1) document the role of protein hydrolysates as feed attractants and resulting growth rates of tautog in recirculating
aquaculture systems, 2) determine if feeding frequency influences tautog feeding behavior. Feed attractants do not stimulate growth of tautog when compared to control diets. Average consumption was influenced by feeding frequency, with the most frequent feeding regime resulting in the lowest average consumption however, individual fish did not exhibit this pattern. This work offers strategies to develop comprehensive feeding regimes for regional farmers and researchers interested in tautog aquaculture.
****************************************************************************
Zoom information:
https://umassd.zoom.us/s/93910666318
****************************************************************************
For additional information, please contact Sue Silva at s1silva@umassd.edu.
Department of Fisheries Oceanography
Masters Thesis Defense Announcement
"Effects of feed attractants and feeding frequency on the performance of tautog (Tautoga onitis) in recirculating aquaculture systems"
By
Michael Coute
Graduate Advisor & Dissertation Committee Chair:
Dr. Pingguo He (UMassD Fisheries Oceanography)
Committee:
Dr. Kevin Stokesbury (UMassD Fisheries Oceanography)
Dr. Dan Ward (Ward Aquafarms)
Thursday, September 16, 2021
9:00 am - 10:00 am
SMAST East, Rooms 101, 102, 103
and via Zoom
Abstract
Tautog (Tautoga onitis) are a valuable commercial and recreational finfish species along the western Atlantic coastline, but high demand has led to depleted populations. To counter this decline, tautog have been identified as a candidate for finfish aquaculture. Worldwide, aquaculture is the main source of fish for human consumption and is propelled by advancements in technology and production. Two important aspects of finfish farms include the type of feed, and the techniques associated with feed delivery. Growth performance was tested by comparing diets supplemented with feed attractants in the form of hydrolysates created from Atlantic longfin squid (Doryteuthis pealeii) and green crab (Carcinus maenas). Additionally, tautog feeding behavior was incorporated into culture methods by focusing on how and when feed was distributed to individual fish. Fish were fed the same weight(g) of commercial pellets at different intervals throughout the day and night. The aims of this thesis were to 1) document the role of protein hydrolysates as feed attractants and resulting growth rates of tautog in recirculating
aquaculture systems, 2) determine if feeding frequency influences tautog feeding behavior. Feed attractants do not stimulate growth of tautog when compared to control diets. Average consumption was influenced by feeding frequency, with the most frequent feeding regime resulting in the lowest average consumption however, individual fish did not exhibit this pattern. This work offers strategies to develop comprehensive feeding regimes for regional farmers and researchers interested in tautog aquaculture.
****************************************************************************
Zoom information:
https://umassd.zoom.us/s/93910666318
****************************************************************************
For additional information, please contact Sue Silva at s1silva@umassd.edu.
Contact: > See Description for contact information
Topical Areas: School for Marine Sciences and Technology, SMAST Seminar Series