اثر نانو اکسید مس و الیگوساکارید مانان بر گوارشپذیری مواد مغذی و عملکرد رشد در جوجه های گوشتی

نویسندگان

1 دانش آموخته تغذیه دام دانشگاه شیراز، شیراز- ایران

2 بخش علوم دامی، دانشکده کشاورزی دانشگاه شیراز، شیراز- ایران

3 بخش بهداشت و کنترل مواد غذایی، دانشکده دامپزشکی دانشکده شیراز، شیراز- ایران

4 بخش علوم درمانگاهی، دانشکده دامپزشکی دانشکده شیراز، شیراز- ایران

چکیده

زمینه مطالعه: به دنبال ممنوعیت استفاده از محرک‌های رشد آنتی بیوتیک در بسیاری از کشورهای جهان، علاقه زیادی به پیدا کردن جانشین مناسب برای آنتی بیوتیک‌ها در تولیدات پرندگان به وجود آمد. هدف: هدف از این پژوهش بررسی اثر دو سطح از نانو مس (mg/kg 0 و 100) و دو سطح از الیگوساکارید مانان (g/kg 0 و 1) به عنوان محرک‌های رشد طبیعی بر گوارش  پذیری مواد مغذی و عملکرد رشد در جوجه‌های گوشتی است. روش کار: در انتهای هفته  دوم پرورش، 160 قطعه  جوجه  گوشتی از سویه  تجاری کاب 500، به چهار تیمار تقسیم شدند. به ازای هر تیمار چهار تکرار و در هر تکرار 10 قطعه جوجه قرار گرفت. آزمایش به صورت فاکتوریل (2×2)، در قالب طرح کاملاًً تصادفی اجرا شد. نتایج: تفاوت معنی‌داری در گوارش پذیری مواد مغذی و عملکرد رشد بین پرندگانی که مکمل‌های مورد آزمایش را خوردند با گروه شاهد مشاهده نشد (05/0<p). نتیجه‌گیری نهایی:  الیگوساکارید مانان و نانو مس بر عملکرد رشد و گوارش پذیری مواد مغذی در جوجه‌های گوشتی اثر معنی‌داری نداشت. در دوزهای مصرفی، استفاده  همزمان از مس و الیگوساکارید مانان نیز اثر مثبتی بر صفات مورد بررسی در جوجه‌های گوشتی نداشت.

کلیدواژه‌ها

عنوان مقاله [English]

The effect of nanocopper and mannan oligosaccharide supplementation on nutrient digestibility and performance in broiler chickens

نویسندگان [English]

  • Shahin Sabet Sarvestany 1
  • Mohammad Resvani 2
  • Mohammad Javad Zamiri 2
  • Shahram Shekarforoush 3
  • Hadi Atashi 2
  • Najmeh Mosleh 4
1 Graduate Student in poultry nutrition, Shiraz University, Shiraz- Iran
2 Department of Animal Sciences, College of Agriculture, Shiraz University, Shiraz- Iran
3 Department of Food Hygiene and Public Health, Shiraz University, Shiraz- Iran
4 Department of Clinical Sciences, College of Veterinary Medicine, Shiraz University, Shiraz- Iran
چکیده [English]

BACKGROUND: Following the ban on the use of growth stimulant antibiotics in many countries, interest has arisen in finding  a suitable alternative for antibiotics in poultry production. OBJECTIVES: The aim of this study was to investigate the effect of supplementation of two levels of nano-copper (0 and 100 mg/kg) and two levels of mannan oligosaccharide (0 or 1 g/kg) as natural growth stimulants on digestibility of nutrients and performance in broiler chicks. METHODS: At the end of the second week of breeding, 160 Cobb-500 broiler chicks were assigned in four treatment groups. For each treatment, four replicates (10 chicks per replicate) were considered. Experiment was conducted as a 2×2 factorial model in a completely randomized design. Results: No significant differences in digestibility of nutrients and growth performance between birds that ate the supplements with control group were observed (p>0.05). CONCLUSIONS: Mannan oligosaccharides and nano-copper on growth performance and nutrient digestibility in broiler chicks had no significant effect. At the doses used, concomitant supplementation of copper and mannan oligosaccharide did not have a positive effect on traits that were studied in broilers.

کلیدواژه‌ها [English]

  • broiler chick
  • digestibility
  • growth performance
  • mannan oligosaccharide
  • nano oxide copper

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