Fish silage as replacement of fishmeal in red tilapia feeds

Madage, S. S. K., Medis, W. U. D. and Sultanbawa, Y. (2015) Fish silage as replacement of fishmeal in red tilapia feeds. Journal of Applied Aquaculture, 27 2: 95-106. doi:10.1080/10454438.2015.1005483

Author Madage, S. S. K.
Medis, W. U. D.
Sultanbawa, Y.
Title Fish silage as replacement of fishmeal in red tilapia feeds
Journal name Journal of Applied Aquaculture   Check publisher's open access policy
ISSN 1045-4438
Publication date 2015-06-09
Year available 2015
Sub-type Article (original research)
DOI 10.1080/10454438.2015.1005483
Volume 27
Issue 2
Start page 95
End page 106
Total pages 12
Place of publication Taylor & Francis
Publisher New York, NY, United States
Language eng
Formatted abstract
We estimated the effect on growth and nutrient efficiency of replacing fishmeal with silage incorporated with rice bran in diets for fingerling red tilapia (Oreochromis mossambicus × Oreochromis niloticus × Oreochromis aureus) over 12 weeks. Isonitrogenous (300 g kg−1 protein dry matter basis) and isoenergetic (4450 Kcal gross energy kg−1) feed formulations with increasing levels of tilapia silage as a replacement for fishmeal were prepared: Diet 1 with no silage (0 g Kg−1), Diet 2 (250 g Kg−1), Diet 3 (500 g Kg−1), and Diet 4 (750 g Kg−1). Feed intake was similar among Diets 1, 2, and 3, while Diet 4 had a significantly lower intake. There was no significant difference (P > 0.05) in weight gain or specific growth rate (SGR), feed conversion ratio (FCR), and protein efficiency ratio (PER), among fish fed Diets 1, 2, and 3. Fish fed with Diet 4 had significantly lower weight gain; SGR and PER and significantly higher FCR. Organoleptic properties of the fish were not affected by the diets. The results of this study indicate that less expensive dried fish silage with rice bran is an alternative protein source for tilapia feed up to 50% of fishmeal replacement.
Keyword Aquafeeds
Feed ingredients
Fish meal replacers
Fish silage
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Non HERDC
Centre for Nutrition and Food Sciences Publications
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Created: Wed, 10 Jun 2015, 17:28:34 EST by Dr Yasmina Sultanbawa on behalf of Centre for Nutrition and Food Sciences