Vol. 13,No. 2, April 2014
A Comparision on FCR in fish ponds of Rainbow Trout (Oncorhynchus mykiss) fed by extruder food and
Description: -Department of Fisheries and Environment Science, College of natural Resources and Earth Sciences, Shahrekord University, Chaharmahal-va-BAKHTIYARI, Iran 2-Department of Fisheries Science, Islamic Azad University, Science and Research Branch, Tehran, Iran *Corresponding author’s email: ammar_1631@yahoo.com
Food costs in rainbow trout farms are about 50% of production costs (Barrows et al., 2007). Because of inattention of most aquaculturists in exact calculation of FCR and not using qualified food, sometimes food costs will rise a lot and won't be economical.

Monday 4 May 2015
Author: Pirali Kheyrabadi, E. 1; Salehi Farsani, A.2*; Samadi Kuchaksaraei, B.
KeyWord: FCR, Rainbow trout, Extruder food, Pellete food
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