Mar 10, 2023 · In our previous study, feeding grass carp with 60% or 75% vegetable food waste in feed resulted in inferior growth performance (Choi et al., 2016). The brewery waste (30%) added in fish feed of Catla catla and Labeo rohita showed best growth performance, while at a higher proportion (40%) showed retarded growth ( Kaur and Saxena, 2004 ).