effect of discontinuous administration of prebiotic mannan oligosaccharide and β-1,3-glucan on growth performance and some immunity response of rainbow trout (oncorhynchus mykiss)

نویسندگان

امیر حسین ناصری

کارشناس ارشد تکثیر و پرورش آبزیان، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد آزادشهر، آزادشهر، ایران رضا اکرمی

استادیار گروه شیلات، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد آزادشهر، آزادشهر، ایران

چکیده

effect of dietary prebiotic mannan oligosaccharide and β-1,3 glucan on growth performance, bodycomposition and immunity response of rainbow trout (oncorhynchus mykiss) were investigated for asix week culture period. four feeding strategies were set, including feeding prebiotic-free dietcontinuously (control), feeding dietary prebiotic continuously (t1), feeding dietary alternately (oneweek prebiotic+one week control diet) (t2) and 2 day prebiotic+5 day control diet (t3). theexperiment carried out in 500 liters plastic tanks. 32 juveniles rainbow trout with initially averageweight 19.6 ± 0.06 were stocked in tanks and fed up a day. the results showed no significancedifference was observed on growth performance and feeding indexs (p>0. 05). there was significantdifferences in composition carcass (p

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منابع مشابه

effects of discontinuous administration of dietary mannan oligosaccharide and β-1,3-glucan on hematological and blood serum biochemical parameters of rainbow trout (oncorhynchus mykiss)

introduction bans and restrictions of antibiotics as feed additives in fish culture in many countries have resulted in the increase in studies on alternative dietary supplements such as prebiotics to enhance the health and production of cultured fish. prebiotics are nondigestible food ingredients that beneficially affect the host by selectively stimulating the growth and/or activity of one or a...

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Effect of prebiotic of Behsam on growth, feeding efficiency and and body composition of rainbow trout (Oncorhynchus mykiss) juvenile

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Effect of dietary Ergosan and Hilyses on growth performance, hematological variables and immune response in rainbow trout (Oncorhynchus mykiss)

This study was conducted to evaluate the efficiency of Ergosan, an algal extract containing alginic acid and Hilyses, a fermented Saccharomyces cerevisiae, on growth, immune response and hematological parameters in rainbow trout (Oncorhynchus mykiss). Fish with an initial average weight of 70-75 g were fed with Ergosan (5 g kg-1) and Hilyses (10 g kg-1) for a period of 70 days. The Results reve...

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شیلات

جلد ۶۷، شماره ۳، صفحات ۴۲۵-۴۳۴

کلمات کلیدی
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