اثر تغذیه سطوح مختلف عصاره سرخارگل برعملکرد رشد، متابولیت های خونی، سیستم ایمنی و ترشح هورمون کورتیزول در بلدرچین های ژاپنی

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه علوم دامی، دانشکده کشاورزی، واحد چالوس، دانشگاه آزاد اسلامی، چالوس، ایران

چکیده

این آزمایش به منظور بررسی سطوح مختلف عصاره گیاه دارویی­ سرخارگل در آب مصرفی بلدرچین ژاپنی بر صفات عملکردی، متابولیت­  های خونی و سیستم ایمنی در طی یک دوره 35 روزه انجام گرفت. از 400 قطعه جوجه بلدرچین در قالب یک طرح کاملا تصادفی با 5 تیمار و 4 تکرار با 20 قطعه جوجه در هر تکرار استفاده شد. تیمارهای آزمایشی شامل: 1- جیره شاهد فاقد هرگونه افزودنی آنتی ­بیوتیک و گیاه دارویی (شاهد منفی)؛ 2- جیره شاهد به اضافه آنتی­ بیوتیک فلاووفسفولیپول 500 میلی گرم در کیلوگرم (شاهد مثبت)؛ 3- جیره شاهد به اضافه یک میلی لیتر عصاره سرخارگل در یک لیتر آب؛ 4- جیره شاهد به اضافه 2 میلی لیتر عصاره سرخارگل در یک لیتر آب؛  5- جیره شاهد به اضافه 3 میلی لیتر عصاره سرخارگل در یک لیتر آب، بودند. صفات مورد آزمایش شامل صفات عملکردی، متابولیت های خونی، ترشح هورمون کورتیزول و بررسی مولفه های سیستم ایمنی بود. نتایج به دست آمده نشان داد که مصرف غذا، افزایش وزن و ضریب تبدیل غذایی تحت تاثیر تیمارها قرار نگرفت. از بین فراسنجه های خونی نیز تنها آلبومین سرم به طور معنی ­داری تحت تاثیر تیمارها قرارگرفت (0/05>P). میزان کورتیزول و SRBC و هم چنین تیتر IgG نیز به طور معنی داری تحت تاثیر تیمارهای آزمایشی قرار گرفت (0/05>P). به طورکلی نشان داده شد که افزودن عصاره سرخارگل به آب مصرفی بلدرچین ­های ژاپنی به طور معنی ­داری سبب تحریک سیستم ایمنی و تغییر در ترشح هورمون­ کورتیزول شد؛ بنابراین به نظر می­ رسد می ­توان از این عصاره جهت تقویت سیستم ایمنی آن ها استفاده نمود.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of feeding different levels of Echinacea extract on growth performance, blood metabolites, immune system and cortisol secretion in Japanese quails

نویسندگان [English]

  • Sara Khazaie
  • Mahmoud Karami
  • Mohammad Hossein Palizdar
Department of Animal Sciences, Faculty of Agriculture, Chalous Branch, Islamic Azad University, Chalous, Iran
چکیده [English]

This experiment was performed to evaluate the different levels of Echinacea extract in drinking water on performance traits, blood metabolites and immune system in Japanese quail over a period of 35 days. 400 quail chicks were used in a completely randomized design with 5 treatments and 4 replications with 20 chicks per replication. Experimental treatments include 1- control diet without any additives of antibiotics and or herbs (negative control); 2- control diet plus antibiotic flavophospholipol 500 mg/kg (positive control); 3- control diet plus one ml of Echinacea extract in one liter of water; 4- control diet plus 2 ml of Echinacea extract in one liter of water; 5- control diet plus 3 ml of Echinacea extract in one liter of water. The traits tested included performance traits, blood metabolites, cortisol secretion, and immune system indices. The results showed that food intake, weight gain and feed conversion ratio were not affected by the treatments. Among blood metabolites, only serum albumin was significantly affected by treatments (P<0.05). Cortisol and SRBC levels as well as IgG titer were significantly affected by experimental treatments (P<0.05). In general, it was shown that the addition of Echinacea extract to the water consumed by Japanese quails significantly stimulated the immune system and altered cortisol secretion; thus it seems this extract can be used to enhance the immunity of these birds.

کلیدواژه‌ها [English]

  • Cortisol
  • Echinacea
  • Immune system
  • Quail
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