NDLI: The effects of the supplementation of activated charcoal on the growth, health status and fillet composition-odor of Nile tilapia (Oreochromis niloticus) before harvesting

Content Provider	Springer Nature Link
Author	Boonanuntanasarn, Surintorn Khaomek, Prarm Pitaksong, Taratip Hua, Yanling
Copyright Year	2014
Abstract	This study shows the effects of dietary activated charcoal (AC) on health status, intestinal morphology and fillet geosmin content of Nile tilapia prior to harvesting (2 and 4 weeks). Four dietary treatments (each diet in six replicates) were formulated to incorporate AC at levels of 0, 10, 20 and 30 g kg−1 of the dry diet. Fish were reared in hapas, which were located in earthen ponds. There were not significant differences in growth performances among experimental treatments. The moisture and protein content in the fillet decreased and increased, respectively, as the incorporation level of AC increased. The hematological indices and several immune parameters did not differ significantly among treatment groups. Among the fifteen blood chemicals parameters examined, the significant reductions in protein and cholesterol and the changes in blood minerals were observed in fish fed dietary AC ≥20 g kg−1. Dietary AC tended to increase the height of intestinal villi and goblet cell number. Dietary AC also influenced the reduction in geosmin in the fish fillet. Taken together, these findings indicate that AC (at 10 g kg−1 diet) could be used as feed supplement for Nile tilapia prior harvesting to reduce geosmin without negative effects.
Starting Page	1417
Ending Page	1436
Page Count	20
File Format	PDF
ISSN	09676120
Journal	Aquaculture International
Volume Number	22
Issue Number	4
e-ISSN	1573143X
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-02-13
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Activated charcoal Nile tilapia Growth Health status Intestinal morphometry Geosmin Freshwater & Marine Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Agronomy and Crop Science

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