Peer-reviewed publications, Prof. Dr. Ulfert Focken
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Salehi H, Reiser S, Focken U (2025) Assessment of the nutritional and effluent properties of potential fish-meal-free diets for rainbow trout (Oncorhynchus mykiss W.) in Iran. Aquaculture Int 33(3):165, DOI:10.1007/s10499-025-01841-z
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Salehi H, Reiser S, Pourkazemi M, Focken U (2024) Complete replacement of fish meal with potential aquafeed ingredients for rainbow trout in Iran. Turk J Fish & Aquat Sci 24(3):TRJFAS24254, DOI:10.4194/TRJFAS24254
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Klinkmann D, Kreiß C, Focken U (2024) Hemmnisse und Verbesserungspotenziale der Öko-Aquakultur in Deutschland. Ber Landwirtsch 102(1), DOI:10.12767/buel.v102i3.507
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Salehi H, Reiser S, Focken U (2023) Nutrient digestibility and retention of potential feed ingredients for rainbow trout (Oncorhynchus mykiss W.) aquaculture in Iran. Aquacult Nutr 2023:8910005, DOI:10.1155/2023/8910005
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Hermann C, Dahlke FT, Focken U, Trommsdorff M (2022) Aquavoltaics: dual use of natural and artificial water bodies for aquaculture and solar power generation. In: Gorjian S, Campana PE (eds) Solar energy advancements in agriculture and food production systems. London: Academic Press, pp 211-236
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Rebelein A, Focken U (2021) Microplastic fiber diet - Fiber-supplemented pellets for small fish. MethodsX 8:101204, DOI:10.1016/j.mex.2020.101204
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Reiser S, Sähn N, Pohlmann DM, Willenberg M, Focken U (2021) Rearing juvenile brown Salmo trutta (L.), and rainbow trout Oncorhynchus mykiss (Walbaum), in earthen ponds with and without an induced current. J Appl Aquacult 33(1):32-52, DOI:10.1080/10454438.2019.1678545
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Mayrhofer R, Menanteau-Ledouble S, Pucher J, Focken U, El-Matbouli M (2020) Aeromonas spp. suggested as the causative agents of red spot disease in northern Vietnamese grass carp Ctenopharyngodon idella. Dis Aquat Organ 139:113-119, DOI:10.3354/dao03479
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Barreto-Curiel F, Focken U, D'Abramo LR, Mata-Sotres J, Viana MT (2019) Assessment of amino acid requirements for Totoaba macdonaldi at different levels of protein using stable isotopes and a non-digestible protein source as a filler. Aquaculture 503:550-561, DOI:10.1016/j.aquaculture.2019.01.038
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Reiser S, Pohlmann DM, Koops U, Gröger JP, Focken U (2019) Using gravel for environmental enrichment in salmonid hatcheries: The effect of gravel size during egg incubation, endogenous and first feeding in rainbow trout. J Appl Ichthyol 35(2):465-472, DOI:10.1111/jai.13884