FASTING IN HYBRID GROUPER EPINEPHELUS FUSCOGUTTATUS X EPINEPHELUS LANCEOLATUS IN RELATION TO PROXIMATE CONTENTS, GROWTH AND FEED EFFICIENCY

Marine Research in Indonesia

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Title FASTING IN HYBRID GROUPER EPINEPHELUS FUSCOGUTTATUS X EPINEPHELUS LANCEOLATUS IN RELATION TO PROXIMATE CONTENTS, GROWTH AND FEED EFFICIENCY
 
Creator Asih, Yasmina Nirmala
Mahardika, Ketut
Susanto, Bambang
 
Description Fasting in fish is commonly used to improve the quality of fish product post-slaughtered. This study aims to investigate the alteration in nutrient contents, growth, and feed efficiency of hybrid grouper Epinephelus fuscoguttatus x E. lanceolatus fasted at different intervals. There were two experiments conducted in this study. The first experiment evaluated alteration in nutrient contents of carcass and liver of hybrid groupers. The fishes were grouped into three feeding regimes: fed daily, fasted at a one-day interval, and fasted at a two-day interval. Each group had 50 fishes with an initial mean weight of 200 ± 11.3 g. The second experiment was to evaluate the growth and feed efficiency of the fishes. Hybrid groupers were subjected to two feeding regimes. The first group (n = 45) was fed daily, and the second group of fish (n = 45) fasted at a two-day interval. The first and second experiments were conducted for one and two months, respectively. The results show that hybrid groupers fed daily have the lowest protein and the highest fat in the carcass compared to those fasted on one- or two-day interval. During the first month, there was no difference between the growth rate of the fishes fed daily and fasted at a two-day interval (32.88 and 32.08%, respectively). However, in the second month, the fishes fed daily have a growth rate of 66.08%, which is 1.4 times higher than those fasted at a two-day interval (48.12%). Altogether, fasting in hybrid groupers could alter proximate contents, slow down growth, and improve feed efficiency.
 
Publisher Research Center for Oceanography - Indonesian Institute of Sciences (LIPI)
 
Date 2019-06-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://mri.lipi.go.id/index.php/MRI/article/view/291
10.14203/mri.v44i1.291
 
Source Marine Research in Indonesia; Vol 44 No 1 (2019); 11-17
2443-2008
0216-2873
 
Language eng
 
Relation https://mri.lipi.go.id/index.php/MRI/article/view/291/374
 
Rights Copyright (c) 2019 Marine Research in Indonesia
http://creativecommons.org/licenses/by-sa/4.0
 

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