Carl D. Webster

Comparison of Growth and Production of Green and Red Salanova Lettuce (Lactuca sativa) and Basil (Ocimum basilicum) When Grown in Either Floating Rafts or Media Beds in a Coupled Aquaponic System with Nile Tilapia (Oreochromis niloticus)

Joshua C. Dusci, Zoe Babb, Benjamin H. Beck, Carl D. Webster

This study compared floating raft and media bed aquaponic systems, assessing fish growth, plant growth, and system performance between common system designs. The study consisted of two trials utilizing six replicated aquaponic systems. In each trial, three of the systems were floating …

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Effects of Production Method (Flooded Media Bed or Floating Rafts) on Growth, Production, and Mineral Composition of Okra (Abelmoschus esculentus) Grown in a Coupled Aquaponic System with Nile Tilapia (Oreochromis niloticus)

Hannah Knuckles, Dayan A. Perera, Rebecca Lochmann, George Huskey et autres

As the global population continues to rise, sustainable agricultural systems such as aquaponics have gained attention for their potential to maximize food production while minimizing resource use. This study evaluated the growth performance, yield, and mineral composition of okra (Abelmoschus esculentus) grown …

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Soybean hull-based binders: Evaluation of growth and potential health benefits in Pacific white shrimp, Litopenaeus vannamei

Mediha Yildirim‐Aksoy, Burak Aksoy, Rashida Eljack, Benjamin H. Beck et autres

The water stability of aquafeeds, especially shrimp feed, is an important component of feed quality. Recently, our laboratory developed novel feed binders derived from soyhull to further improve water stability of the compound feeds. Here, a 10-week feeding study was conducted to …

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Preliminary assessment of the nutritive value of dietary exuviae from black soldier fly ( Hermetia illucens ) pupae in Mozambique tilapia

Nicholas Romano, Surjya Narayan Datta, Amit Kumar Sinha, Fernando Y. Yamamoto et autres

Abstract A by‐product of black soldier fly ( Hermetia illucens ) larvae (BSFL) farming is the chitin‐rich “exuviae” (exoskeleton shell) that is left behind after the prepupae larvae metamorphose into adults. Moreover, exuviae is present in BSFL meal and frass. In this …

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Using a classroom aquaponics project to improve urban (city) students’ perception of STEM disciplines and career pathways

Kenneth R. Thompson, Carl D. Webster, Jennifer Wilhelm, Rebecca McNall Krall

There is a need for secondary schools to provide more hands-on experiences in science, technology, engineering, and mathematics (STEM), and specifically, more contextualized project-based investigation environments in the classroom that manifest the next generation science standards. This study investigated how, and to …

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Sustainable Aquaculture

Carl D. Webster, B. B. Jana

Nonnutrient Components of Fish Diets

Steven G. Hughes, Chhorn Lim, Carl D. Webster

Though the various nutrients are the primary concerns of nutritionists when formulating diets for intensively cultured tilapia, the inclusion or exclusion of other dietary components, which do not have nutritional value, can have profound impacts on the performance of the fish fed …

Tilapia

Carl D. Webster, Chhorn Lim

MINIstock: Model for INsect Inclusion in sustainable agriculture: USDA-ARS’s research approach to advancing insect meal development and inclusion in animal diets

Kelsy Robinson, Kristin R. Duffield, José L. Ramírez, Lee W. Cohnstaedt et autres

Animal agriculture is under pressure to increase efficiency, sustainability, and innovation to meet the demands of a rising global population while decreasing adverse environmental effects. Feed cost and availability are 2 of the biggest hurdles to sustainable production. Current diets depend on …

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Integrating Aquaculture to Support STEM Education: A Qualitative Assessment to Identify High School Students’ Attitudes, Interests, and Experiences

Kenneth R. Thompson, Carl D. Webster, Kirk W. Pomper, Jennifer Wilhelm et autres

This study explored the impact of an active project-based, aquaculture constructivist-learning program, as perceived by high school students. The purpose of this case study was to discover if participation in the program influenced students’ interest, engagement, and future educational and career aspirations …

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Type of black soldier fly (Hermetia illucens) larvae frass influences the nutritional value when included in a prepared diet for Mozambique tilapia (Oreochromis mossambicus)

Nicholas Romano, Fernando Y. Yamamoto, Steven D. Rawles, Carl D. Webster

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Hepatic transcriptome analyses of juvenile white bass (Morone chrysops) when fed diets where fish meal is partially or totally replaced by alternative protein sources

S. Adam Fuller, Jason Abernathy, Nithin Muliya Sankappa, Benjamin H. Beck et autres

White bass (Morone chrysops) are a popular sportfish throughout the southern United States, and one parent of the commercially-successful hybrid striped bass (M. chrysops ♂ x M. saxatilis ♀). Currently, white bass are cultured using diets formulated for other carnivorous fish, such …

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