effects ofdifferentlevels ofoil-extracted propolis on immune system ofbroiler chicks againstnewcastle virus

نویسندگان

محمود حقیقیان رودسری

گروه علوم دامی دانشکده کشاورزی سید مظفر مهدیزاده تکلیمی

موسسه تحقیقات علوم دامی کشور فرزاد باقرزاده کاسمانی

دانش آموخته کارشناسی ارشد علوم دامی هوشنگ لطف الهیان

موسسه تحقیقات علوم دامی کشور سیده فاطمه موسوی

چکیده

biosecurity in the production of broiler chickens is very important but it is hard or even impossible to maintain; hence, promotion of immune responses could control diseases in chickens. at present study, the effect of six levels of oil-extracted propolis (0, 50, 100, 150, 200 and 250 mg/kg ration) on immune system against newcastle virus was studied using a completely randomized design with 360 chickens. blood antibody ratio against the newcastle virus (hi test), the weight of thymus, bursa fabricius and the percentage of lymphocytes were measured for a period of 42 days and the data were analyzed. the results indicated that the rate of antibody has significantly (p

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effects of different levels of oil-extracted propolis on immune system of broiler chicks against newcastle virus

biosecurity in the production of broiler chickens is very important but it is hard or even impossible to maintain; hence, promotion of immune responses could control diseases in chickens. at present study, the effect of six levels of oil-extracted propolis (0, 50, 100, 150, 200 and 250 mg/kg ration) on immune system against newcastle virus was studied using a completely randomized design with 3...

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عنوان ژورنال:
تحقیقات دامپزشکی

جلد ۶۵، شماره ۱، صفحات ۱۹-۲۳

کلمات کلیدی
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