publication . Conference object . Article . 2017

Stress and Welfare of African Catfish (Clarias gariepinus Burchell, 1822) in a Coupled Aquaponic System

Björn Baßmann; Matthias Brenner; Harry W. Palm;
Open Access
Abstract
African catfish (Clarias gariepinus) were investigated for physiological stress parameters to assess the influence of different cultivation techniques on fish welfare. The fish were reared in two conceptually identical recirculating aquaculture systems (RAS) constructed in a greenhouse. One system was combined with a floating raft hydroponic unit to culture cucumbers (Cucumis sativus) only using the process water. The second system remained without the plant cultivation unit and functioned as the control. Water quality was monitored regularly by measuring dissolved nutrients and physical water parameters. During 87 days, a total of 71 fish from each system (n = ...
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free text keywords: African catfish, animal welfare, cortisol, glucose, skin lesions, Aquaponics, Water quality, Biology, Physiological stress, Catfish, Aquaculture, business.industry, business, Plant cultivation, Barbel, Clarias gariepinus, biology.organism_classification, Animal science, Fishery, lcsh:Hydraulic engineering, lcsh:TC1-978, lcsh:Water supply for domestic and industrial purposes, lcsh:TD201-500
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Fisheries and Aquaculture Management
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