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:: دوره 8، شماره 1 - ( 10-1387 ) ::
جلد 8 شماره 1 صفحات 13-24 برگشت به فهرست نسخه ها
The effect of dietary lipid level on the growth of kutum fry (Rutilus frisii kutum)
چکیده:   (373 مشاهده)
The study was conducted with a completely randomized design consisting of four treatments in triplicates. Experimental diets were formulated to contain four different lipid levels (8, 10, 12 and 14%) at constant protein level (46.8%) and different gross energy of 4314, 4417, 4519 and 4622kcal/kg, respectively. Kutum fry (average weight, 203±4mg) were randomly assigned and distributed at a density of 2 fish/l into twelve 80 liter fiberglass tanks equipped with a tap-freshwater system and water temperature of 22-24oC. Fish were fed the experimental diets thrice a day at 10% of body weight for 81 days. Statistical analysis indicated that fish fed the lowest lipid level of 8% showed significant differences (p<0.05) with other treatments. Fish growth, survival, protein and energy retention showed a marked decrease with an increase of dietary lipid level. Crude lipid of carcass composition increased, but ash and moisture decreased with an increase of lipid levels.
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موضوع مقاله: Biology & physiology
دریافت: ۱۳۹۶/۹/۱۳ | پذیرش: ۱۳۹۶/۹/۱۳ | انتشار: ۱۳۹۶/۹/۱۳
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Haghighi D, Saad C, Hosseinzadeh Sahafi H, Mansouri D. The effect of dietary lipid level on the growth of kutum fry (Rutilus frisii kutum). IJFS. 2009; 8 (1) :13-24
URL: http://jifro.ir/article-1-3057-fa.html

The effect of dietary lipid level on the growth of kutum fry (Rutilus frisii kutum). مجله علوم شیلاتی ایران. 1387; 8 (1) :13-24

URL: http://jifro.ir/article-1-3057-fa.html



دوره 8، شماره 1 - ( 10-1387 ) برگشت به فهرست نسخه ها
مجله علوم شیلاتی ایران Iranian Journal of Fisheries Sciences
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