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:: دوره 7، شماره 2 - ( 1387 ) ::
جلد 7 شماره 2 صفحات 256-241 برگشت به فهرست نسخه ها
Effect of feeding rate on nutrient digestibility in Atlantic salmon, Salmo salar L.
چکیده:   (4119 مشاهده)
A digestibility trial was conducted to examine the effect of feeding rate on dry matter, gross energy, crude protein and phosphorus digestibility in Atlantic salmon (Salmo salar). Duplicate groups of fish were fed 0.25, 0.5, 0.75, 1.0, 1.25 and 1.9% BW/day. The faeces were collected by Guelph-type collectors for five successive days.
Dry matter, protein and phosphorus digestibility’s were all significantly (p<0.05) affected by feeding rate. Dry matter digestibility was significantly lower in fish fed 0.25% BW day in comparison with fish fed 0.5, 0.75 and 1% BW day. Protein digestibility was significantly lower in fish fed 0.25% BW/day in comparison with 1.25% BW day. Phosphorus digestibility was significantly lower in fish fed 0.25% BW/day in comparison with all other treatments except for 1%BW day. There were no significant differences for energy digestibility between fish fed with different amount of feed. The main effect was reduced digestibility at the lowest level of intake with no obvious relationship between feeding rate and digestibility above this amount. This was explained by a relatively higher loss of endogenous faecal nitrogen and phosphorus at sub-maintenance feeding. 
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نوع مطالعه: پژوهشي | موضوع مقاله: aquaculture
انتشار الکترونیک: 1396/9/18
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Sajjadi M, Carter C. Effect of feeding rate on nutrient digestibility in Atlantic salmon, Salmo salar L.. IJFS 2008; 7 (2) :241-256
URL: http://jifro.ir/article-1-3097-fa.html

Effect of feeding rate on nutrient digestibility in Atlantic salmon, Salmo salar L.. مجله علوم شیلاتی ایران. 1387; 7 (2) :241-256

URL: http://jifro.ir/article-1-3097-fa.html



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دوره 7، شماره 2 - ( 1387 ) برگشت به فهرست نسخه ها
Iranian Journal of Fisheries Sciences Iranian Journal of Fisheries Sciences
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