Species- and diet-specific aquaculture wastewater nutrient profile: Implications for aquaponics and development of sustainable aquaponics diet

Insect-based fish feed in decoupled aquaponic systems: Effect on lettuce production and resource use

“…While plant evapotranspiration processes drive water flow in decoupled aquaponic systems [11], nutrients are primarily input via fish feed [12,13], and complementing the fish waste water with missing nutrients for plant production is a common practice [8,14,15]. Thereby special attention must be paid to the fish feed composition, as it affects the overall availability of nutrients in the system [13,16] and the environmental impacts of the food production process [17,18].…”

“…The most promising insect meal for fish diet is produced from Black Soldier Fly (BSF), Hermetia illucens, due to its high content of protein, lipids, minerals, and similar essential amino acid patterns to fish meal [28][29][30]. Recent studies reported BSF meal is easily digested by tilapia, improving feed use efficiency and availability of nutrients in the water [16,[31][32][33][34]. Moreover, BSF can be fed by a vast range of substrates (e.g.…”

“…Some authors have been investigating the addition of BSF frass, a mineral-rich by-product of BSF production, as a source of supplementary nutrients in aquaponics [39,40]. While others use BSF meal in fish feed, focusing on evaluating fish growth and nutrient release in RAS and discussing these results from the perspective of decoupled aquaponics production [16,24,41]. Until today, no scientific research was conducted and reported on reusing BSF meal-based fish waste water in the hydroponics unit of a decoupled aquaponic system.…”

On-farm evaluation of formulated diets on the growth and body composition of Etroplus suratensis reared in cages in low-saline coastal ponds

“…Aquaculture has contributed greatly to the growth in fish consumption, as wild catch fisheries cannot meet their exploitable limits (FAO, 2014). Aqua feeds must be economically utilized to support the sustainable expansion of aquaculture, which is anticipated to double between 2017 and 2050 (Gebauer et al, 2023). As aquaculture grows rapidly, the aquafeed business will need to expand simultaneously (Xie et al, 2013).…”