Volume 2, Issue 1 (2013)
JFST 2013, 2(1): 55-70 |
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Sayed Hassan M H. The effect of different levels of protein and carbohydrate to lipid ratio on growth rate and body composition of farmed juvenile Huso huso. JFST 2013; 2 (1) :55-70
URL: http://jfst.modares.ac.ir/article-6-4830-en.html
URL: http://jfst.modares.ac.ir/article-6-4830-en.html
Abstract: (10129 Views)
A 4 × 4 factorial design was conducted to quantify the optimumrncarbohydrate ⁄ lipid ratio to minimize the dietary protein level in growingrnbeluga, Huso huso (initial weight 891.9 ± 33.4 g, mean ± SD). Fish were fedrnwith sixteen experimental diets formulated to contain four protein levels (35,rn40, 45 and 50%) and four dietary carbohydrate ⁄ lipid ratios of 0.8, 1.1, 1.4,rnand 1.7 for 108 days. At the end of trial, there were no significant differencesrnin growth parameters among fish fed with 35, 40 and 45% protein levels. Nornsignificant difference in growth parameters and feed efficiency (FE) wasrnalso observed when dietary carbohydrate ⁄ lipid ratios decreased from 1.7 torn1.1 within the same energy level (P > 0.05). The highest carcass proteinrncontent was observed in fish fed 0.8 and 1.4 carbohydrate to lipid ratio (P
Received: 2012/10/9 | Published: 2013/05/22
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