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Black Soldier Fly Larvae As Value-Added Feed For Aquaculture In Maine, Joshua Villazana
Black Soldier Fly Larvae As Value-Added Feed For Aquaculture In Maine, Joshua Villazana
Electronic Theses and Dissertations
Black soldier flies (BSF), Hermetia illucens (Linnaeus) (Diptera: Stratiomyidae) consume decaying organic waste as larvae (BSFL) and can be used for recycling a variety of biogenic wastes. BSFL can also be processed into value-added animal feeds, including those used in aquaculture. An overarching goal of this project was to obtain additional insights into BSF biology to improve their rearing and handling in future mass-production facilities serving Maine aquaculture.
We tested BSFL growth in the laboratory on seven seafood wastes from Maine fish processing facilities. Substrates potentially suitable for BSFL rearing included finfish trimmings, wet sea cucumber, dry quahog, and sea …
Gain Vs. Loss And Near Vs. Far Spatial Distance Message Framing And Support For Aquaculture Among U.S. Seafood Consumers, Sandaruwan P. Kumara
Gain Vs. Loss And Near Vs. Far Spatial Distance Message Framing And Support For Aquaculture Among U.S. Seafood Consumers, Sandaruwan P. Kumara
Electronic Theses and Dissertations
In the U.S., the aquaculture industry receives differential support from various publics due to the health and environmental concerns of seafood consumers. Since consumer communication plays a significant role in policy support, understanding how messages about aquaculture should be framed is important. This study investigated the influence of gain vs. loss and near vs. far spatial distance framing on support for aquaculture among seafood consumers in the U.S. The study used a 2*2 experimental design to vary gain/loss and near/far framing among 1052 U.S. residents from all 50 states. An online questionnaire, distributed by the survey firm GfK, was employed …
Detrital Protein Contributes To Oyster Nutrition And Growth In The Damariscotta Estuary, Maine, Usa, Cheyenne M. Adams
Detrital Protein Contributes To Oyster Nutrition And Growth In The Damariscotta Estuary, Maine, Usa, Cheyenne M. Adams
Electronic Theses and Dissertations
Oyster aquaculture is an expanding industry that relies on identifying and utilizing natural estuarine conditions for the economically viable production of a filter-feeding crop. The eastern oyster, Crassostrea virginica, is the principal species currently cultured in Maine. In addition to preferentially consumed phytoplankton, various detrital complexes (non-algal and/or non-living organic matter) may provide some nutrition to C. virginica between times of phytoplankton abundance. Here I investigated the importance of detrital proteins in supporting the growth of oysters cultured in the upper Damariscotta Estuary. Oyster aquaculture in this area is highly successful and previous reports indicate that labile detrital protein …