ECOTONE, Volume 1 (2): 77-84, December 2020 p-ISSN : 2746-4849 Doi. http://doi.org/10.31258/ecotone.1.2.p.77-84 e-ISSN : 2746-5640 RESEARCH ARTICLE OPEN ACCESS Growth and Feed Efficiency of Chopped Grouper Fish Fry (Epinephelus fuscoggutatus> <Epinephelus lanceolatus) with Different Trash Feeding Rate Asih Amanda1*, Wiwin Kusuma Atmaja Putra1, Tri Yulianto1 1Department of Aquaculture, Faculty of Fisheries and Marine Science, University of Maritim Raja Ali Haji, Tanjung Pinang, Indonesia *Correspondent email :
[email protected] Received: 07 November 2020 | Accepted: 29 November 2020 | Published: 22 Desember 2020 Abstract. This study aims to determine the best feeding rate (FR) in increasing feed efficiency and growth of Chopped grouper and to determine the efficiency and growth of Chopped grouper (Epinephelus fuscoguttatus x Epinephelus lanceolatus). This research was conducted in February-March 2020 for 42 days at the Household Scale Hatchery of the Marin Agri Sejahtera Cooperative, Tanjungpinang City, Riau Islands. The method used was experimental with a completely randomized design (CRD) with 4 treatments and 3 replications where K treatment (15% trash feed), A treatment (10% trash feed), B treatment (20% trash feed), treatment C (feeding 25% trash feed). The results of the study, through statistical analysis, showed that the papain enzyme dose was able to have a very significant effect. Keywords: Chopped grouper, trash fish, Feed Efficiency, Growth, Feeding Rate Introduction Grouper fish in Indonesia is currently popular and is being developed as a marine aquaculture commodity that has opportunities for both domestic and international markets to be exported abroad, such as Hong Kong, Taiwan, and China with high selling prices (Triana 2010).