نوع مقاله : مقاله پژوهشی

نویسندگان

1 استادیار، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه گیلان، رشت‌ـ‌ایران

2 دانشجوی دکتری، گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه گیلان، رشت‌ـ‌ایران

چکیده

برای بررسی تأثیرات افزودن ویتامین E و C به جیره‏های حاوی منابع متفاوت روغن بر عملکرد و فراسنجه‏های سرم از 320 قطعه جوجۀ گوشتی (سویۀ راس 308)، در آزمایشی فاکتوریل 2×2×2 و در قالب طرح کاملاً تصادفی با هشت تیمار، چهار تکرار و 10 قطعه جوجه در هر تکرار استفاده شد. فاکتورهای آزمایشی شامل دو منبع متفاوت روغن (سویا و کانولا) و دو سطح ویتامین E (صفر و 200 میلی‏گرم در کیلوگرم) و دو سطح ویتامین C (صفر و 1000 میلی‏گرم در کیلوگرم) بودند. منابع روغن و ویتامین‏های E و C اثر معنی‏داری بر عملکرد جوجۀ گوشتی نداشتند. استفاده از ویتامین E یا C سبب افزایش کلسترول کل و HDL سرم شد (05/0>P). منبع روغن اثر معنی‏داری بر کلسترول کل و گلوکز سرم نداشت. جیره‏های حاوی روغن کانولا، سبب افزایش HDL و کاهش مالون‏دی‏آلدئید سرم در مقایسه با جیره‏های حاوی روغن سویا شد (01/0>P). جیرۀ حاوی روغن کانولا و ویتامین C، موجب کاهش تری‏گلیسیرید سرم در مقایسه با جیره‏های حاوی روغن سویا و ویتامین C شد (05/0>P). جیره‏های حاوی ویتامین E موجب کاهش مالون‏دی‏آلدئید و افزایش فعالیت آنزیم گلوتاتیون پراکسیداز سرم شد (05/0>P). براساس نتایج تحقیق حاضر، تغذیۀ جوجه‏های گوشتی با جیرۀ حاوی روغن کانولا، ویتامین C یا E، HDL سرم را افزایش می‏دهد و ویتامین E با تقویت سیستم آنتی‏اکسیدانی سبب کاهش اکسیداسیون لیپیدهای سرم شد.

کلیدواژه‌ها

عنوان مقاله [English]

Effect of vitamin E and C, and different source of oil on performance and serum metabolites of broilers

نویسندگان [English]

  • Maziar Mohiti-Asli 1
  • Moein Ghanaatparast-Rashti 2

1 Assistant Professor, Department of Animal Science, Faculty of Agriculture, University of Guilan, Rasht, Iran

2 Ph.D. Student, Department of Animal Science, Faculty of Agriculture, University of Guilan, Rasht, Iran

چکیده [English]

An experiment was conducted to determine of the effects of vitamin E and C supplementation in diet based on different source of oils on performance and serum parameters of broilers. A total of 320 broiler chicks (Strain Ross 308) used in a 2×2×2 factorial arrangement in the form of completely randomized design with eight treatments, four replicates and 10 chicks in each replicate. Experimental factors included: two different oil sources (soybean and canola), two levels of vitamin E (zero and 200 mg/kg), and two levels of vitamin C (0 and 1000 mg/kg). Oil sources and vitamin E and C had no effect on performance of broilers. Supplementation of vitamin E or C increased serum total cholesterol and HDL (P<0.05). Source of oil had no significant effect on glucose and total serum cholesterol. Broilers fed diet containing canola oil had higher HDL and lower serum malondialdehyde than those fed diets with soybean oil (P<0.01). Supplementation of vitamin C to the diets containing canola oil decreased serum triglyceride compared with diets include soybean oil and vitamin C (P<0.05). Supplementation of vitamin E decreased serum malondialdehyde and increased activity of glutathione peroxidase (P<0.05). Results of this study indicate that dietary supplementation of canola oil, vitamin C or E to broiler diet increased serum HDL and vitamin E decreased oxidation of serum lipids by improving antioxidant system.

کلیدواژه‌ها [English]

  • Broilers
  • canola oil
  • vitamin E
  • vitamin c
  • serum parameters
  • soybean oil

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