author(s)
Harsimranjit Kaur and Meera D Ansal

abstract
The present study was carried out to evaluate efficacy of Aloe vera powder (AVP) asa herbal feed additive, for improving survival, growth and flesh quality of rohu (Labeo rohita Ham.). Fishes were fed @ 2% of total fish biomass daily with feeds supplemented with AVP @ 0% (T₀), 1%(T₁), 2%(T₂) and 3%(T3), respectively. Feed without AVP (T₀) served as control. Physico-chemical parameters of water in all the treatments remained within the recommended range for carp culture, with adequate plankton production. AVP supplementation improved fish survival and enhanced fish growth (net weight gain, specific growth rate and feed conversion ratio) and enhanced flesh quality significantly (P≤0.05) at all inclusion levels (1-3%). However, best results were obtained at 3% AVP inclusion level, which resulted in 48.19, 21.37 and 24.59%, higher NWG, SGR and protein content over control with better feed conversion ratio and protein efficiency ratio.