Volume 4, Issue 2 (2015)                   JFST 2015, 4(2): 27-43 | Back to browse issues page

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1- Department of Fishery, Urmia University
Abstract:   (10124 Views)
The growth performance of cyprinids larvae (Cyprinuscarpio,Hypophthalmichthysnobilisand Ctenopharyngodonidella) fed with the nauplii fromdifferentArtemiaspecies, including A. parthenogenetica, A. fransiscanaand A. urmiana as well as a probiotic mixture (Bacillus subtilis and B. licheniformis) was investigated. Fish larvae (100±15 mg) were allocated into 54 circular fiberglass tanks filled with 10 liters of water (density of 5 fish per liter) and fed for 4 weeks with the designated diets. At the end of the feeding trial, feed and growth indices [final weight, specific growth rate (SGR), condition factor (CF) and food efficiency] and body composition (crude protein, crude lipid, ash and moisture) were assessed. Significant differences were observed in feed and growth parameters especially in terms of specific growth rate and feed efficiency (P< 0.05). The highest and lowest growth and feeding efficiency were observed in C. idella fed with A. parthenogeneticanauplii and H.nobilis fed with A. urmiananauplii,respectively. Subsequently, elevated growth performance (final weight, final length and SGR) was observed in C. idella fed with nauplii of A. parthenogenetica and probiotic compared to other group (P < 0.05).
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Article Type: Research Article | Subject: Fis nutrition
Received: 2014/08/28 | Published: 2015/09/21

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