|Appears in Collections:||Aquaculture Journal Articles|
|Peer Review Status:||Refereed|
|Title:||Jatropha curcas kernel meal as a replacement for fishmeal in practical Nile tilapia, Oreochromis niloticus feeds|
|Author(s):||Krome, Carsten A|
|Keywords:||fish meal substitution|
tropical biofuel crops
essential amino acids
|Citation:||Krome CA, Jauncey K & Focken U (2016) Jatropha curcas kernel meal as a replacement for fishmeal in practical Nile tilapia, Oreochromis niloticus feeds. Aquaculture, Aquarium, Conservation and Legislation, 9 (3), pp. 590-596. http://www.bioflux.com.ro/docs/2016.590-596.pdf|
|Abstract:||Jatropha curcas is an upcoming oil-seed plant with increasing cultivation area each year throughout the tropics. After de-oiling the seeds, a protein-rich meal (JKM) is left behind, which has a similar amino acid composition and content compared to fishmeal. To test JKM as an alternative protein source, a mixed diet was formulated in which 25% of the total dietary protein was derived from fishmeal and the rest from soybean meal, rice bran and wheat meal (control). Three further isonitrogenous and isoenergetic diets replacing 30%, 70% or 100%, respectively, of the fishmeal protein with JKM were produced and fed to juvenile Nile tilapia (Oreochromis niloticus) for 8 weeks. There were no significant differences in growth parameters between all treatments containing JKM, however, regression analysis revealed a significant negative correlation of JKM content to final weight and specific growth rate. The 70% and 100% replacement levels showed higher body lipid and significantly lower ash content. JKM is a promising alternative protein source in aquaculture diets for tilapia, though slower growth in this experiment suggests the need for further research to improve the nutritional value of JKM.|
|Rights:||This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.|
|2016.590-596.pdf||Fulltext - Published Version||77.07 kB||Adobe PDF||View/Open|
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