The Effect of Corn Starch Substitution with Sargassum sp. Starch in Diet on Grow-Out of Cultivated Rabbitfish, (Siganus guttatus) in Floating Net Cages

Journal of Aquaculture and Fish Health

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Title The Effect of Corn Starch Substitution with Sargassum sp. Starch in Diet on Grow-Out of Cultivated Rabbitfish, (Siganus guttatus) in Floating Net Cages
 
Creator Saade, Edison
Usman, Usman
Sulaeman, Haura Ainun
Jannah, Nursun Marhumatul
 
Subject Fish nutrition, aquaculture, biotechnology
Fish nutrition, aquaculture, biotechnology
 
Description Corn starch is a source of carbohydrates for most cultivated fish, includes rabbitfish as one of the herbivores with high economic value. Therefore, rabbitfish requires cheaper carbohydrate sources to have a profitable business in its cultivation. This study was aimed to determine the substitution of corn starch with Sargassum sp. starch in the diet on the growth, relative feed intake, FCR and nutrient retention of rabbitfish. The average weight of rabbitfish used was 51.76±0.12 g/fish. Rabbitfish were cultivated in small net cages (1x1x1.5m) with a stocking density of 20 fish/net cage for 90 days reared. This study used an experimental method with a Completely Randomized Design (CRD). Corn starch (CM) substitution with Sargassum sp. starch (SM) by 0% (A), 21% (B), 42% (C), 63% (D) and 83% (E) used as the treatments with three replicates each. The measured parameters were weight gain (WG), relative growth (RG), relative feed intake (RFI), feed conversion ratio (FCR), protein retention (PR), energy retention (ER), and condition factor (CF). Data were analyzed using the analysis of variance (ANOVA) and Tuckey’s test. The results showed that the lowest FCR in treatment A had no significant effect with treatment B but was significantly different from treatments C, D and E. The WG, RG, RP and CF parameters had the same values at all levels of CM substitution with SM, while RFI and FCR increased with the increasing CM substitution by SM. It also indicated that CM in the rabbitfish diet could be substituted with SM by 83%.
 
Publisher Department of Aquaculture
 
Contributor Hasanuddin Universty
 
Date 2021-12-31
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier https://e-journal.unair.ac.id/JAFH/article/view/22082
10.20473/jafh.v11i1.22082
 
Source Journal of Aquaculture and Fish Health; Vol 11, No 1 (2022): JAFH Vol. 11 No. 1 February 2022; 10-20
2528-0864
2301-7309
 
Language eng
 
Relation https://e-journal.unair.ac.id/JAFH/article/view/22082/16810
https://e-journal.unair.ac.id/JAFH/article/downloadSuppFile/22082/7016
https://e-journal.unair.ac.id/JAFH/article/downloadSuppFile/22082/7017
 
Rights Copyright (c) 2021 Edison Saade
http://creativecommons.org/licenses/by-nc-sa/4.0
 

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