نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش آموخته کارشناسی ارشد، گروه علوم دامی، دانشکده کشاورزی، واحد کرمانشاه، دانشگاه آزاد اسلامی، کرمانشاه، ایران

2 استادیار، گروه علوم دامی، دانشکده کشاورزی، واحد کرمانشاه، دانشگاه آزاد اسلامی، کرمانشاه، ایران

3 استادیار،گروه دامپزشکی، دانشکده کشاورزی، واحد کرمانشاه، دانشگاه آزاد اسلامی، کرمانشاه، ایران

چکیده

اثر عصاره آویشن باغی و ویتامین E بر عملکرد، فراسنجه­های بیوشیمیایی خون و سیستم ایمنی جوجه‌های گوشتی با استفاده از 240 قطعه جوجه نر یک‌روزه سویه تجاری راس 308 در قالب یک طرح کاملاً تصادفی با چهار تیمار و چهار تکرار و 15 جوجه در هر تکرار بررسی شد. جیره­های آزمایشی به‌ترتیب شامل 1- شاهد با جیره پایه (فاقد عصارهآویشن و ویتامین E)، 2-جیره­ شاهد+ عصاره آویشن در سطح 250 میلی­گرم بر کیلوگرم جیره، 3-جیره­ شاهد+ ویتامین E در سطح 100 میلی­گرم بر کیلوگرم جیره و 4-جیره­ شاهد+ عصاره آویشن در سطح 250 میلی­گرم بر کیلوگرم جیره+ ویتامین E در سطح 100 میلی­گرم بر کیلوگرم جیره بودند. نتایج نشان داد که در کل دوره پرورش، افزایش وزن بدن و ضریب تبدیل خوراک جوجه‌هایی که با جیره حاوی مخلوط عصاره آویشن و ویتامین E تغذیه شدند به‌ترتیب افزایش و کاهش یافت (p<0/05). میزان کلسترول و LDLدر سرم خون پرندگانی که جیره حاوی عصاره آویشن و ویتامین E و هم‌چنین مخلوط آن­ها تغذیه شدندکاهش یافت (p<0/05). وزن تیموس در تمام تیمارهای آزمایشی بیش‌تر از پرندگان شاهد بود (p<0/05). براساس نتایج حاصل استفاده از مخلوط عصاره آویشن و ویتامین E در جیره جوجه‌های گوشتیمی­تواند موجب بهبود عملکرد و تقویت سیستم ایمنی شود.

کلیدواژه‌ها

عنوان مقاله [English]

The effects of Thyme (Thymus vulgaris) extract and vitamin E on performance, some biochemical parameters of blood and weight of lymphoid organs of chicken broilers

نویسندگان [English]

  • Jamil Habibi 1
  • Hossein Reaz Shahbazi 2
  • Forugh Mohammadi 3

1 Department of Animal Science, Faculty of Agriculture, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran

2 Department of Animal Science, Faculty of Agriculture, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran

3 Department of Veterinary Medicine, Faculty of Agriculture, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran

چکیده [English]

The present experiment was performed to evaluate the effects of thyme (Thymus vulgaris) extract and vitamin E on performance, biochemical parameters of blood and immune system of broilers. Two hundred and forty one-day-old male broiler chicks Ross 308 were used in a completely randomized design with 4 treatments and 4 replications, each replication containing 15 chickens. Experimental diets include 1- control (basal diet without thyme and vitamin E), 2- basal diet+ 250 mg/kg thyme extract, 3- basal diet+ 100 mg/kg vitamin E and 4- basal diet+ 250 mg/kg thyme extract+ 100 mg/kg vitamin E. The results showed that the increase in body weight and feed conversion ratio throughout the period in the diet containing a mixture of thyme extract and vitamin E were significantly increased and decreased, respectively (P<0.05). Differences in cholesterol and LDL concentrations in treatments containing thyme extract and vitamin E, as well as their mixtures, were significantly reduced with control (P<0.05). Thymus weight increased significantly compared to the control in all experimental treatments (P<0.05). In general, the results showed that the use of a mixture of thyme extract and vitamin E in the diet of broilers can improve performance and strengthen the immune system.
 

کلیدواژه‌ها [English]

  • ChicksBroiler
  • Immunesystem
  • Performance
  • Thymeextract
  • VitaminE
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