IMPACT OF LYCOPENE SUPPLEMENTED CANOLA MEAL-BASED DIET ON GROWTH PERFORMANCE, NUTRIENT DIGESTIBILITY AND ANTIOXIDANT STATUS OF CATLA CATLA FINGERLINGS Authors: S. M. Hussain, M. A. Khalid, F. Bashir, M. M. Shahzad, A. I. Hussain Journal: Journal of Animal and Plant Sciences (JAPS) ISSN: 1018-7081 (Print), 2309-8694 (Online) Volume: 32 Issue: 2 Pages: 571-577 Year: 2022 DOI: http://doi.org/10.36899/JAPS.2022.2.0456 URL: https://doi.org/http://doi.org/10.36899/JAPS.2022.2.0456 Publisher: Pakistan Agricultural Scientists Forum Abstract:

A 70 days feeding trial was conducted to determine the effects of lycopene supplemented canola meal-based diet on growth performance, nutrient digestibility and anti-oxidant status of Catla catla fingerlings. Seven experimental diets viz. T1, T2, T3, T4, T5, T6 and T7 were formulated with graded lycopene levels i.e., 0 (control), 10, 20, 30, 40, 50 and 60 mgkg-1, respectively and fed to fingerlings using completely randomized design (CRD). During experimental period, fish were fed at 5% of their total biomass. After performing one way Analysis of Variance, it was observed that maximum weight gain % (193%) and best FCR (1.95) was observed in fish group fed diet having 40 mgkg-1 of lycopene. Optimum gross energy (68%), ether extract (77%) and crude protein (75%) values were found in fish at the same level and these values showed significant (p<0.05) difference than the control diet. Lowest percentage of oxidation (3.57%) was observed at test diet having 40 mgkg-1 with the highest antioxidant activity recorded in fish fed T-V diet. It was concluded that lycopene supplemented canola meal-based diet optimally improved growth parameters, nutrient utilization and antioxidant status of C. catla fingerling at 40 mgkg-1.

Keywords: Lycopene, aquaculture, antioxidant status, canola meal, fish meal