نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری،گروه اقتصاد کشاورزی، واحد قائمشهر، دانشگاه آزاد اسلامی ، قائم شهر، ایران

2 استادیار،گروه اقتصاد کشاورزی، واحد قائمشهر، دانشگاه آزاد اسلامی ، قائم شهر، ایران

چکیده

هدف از این مطالعه بررسی اثرات افزودن پروبیوتیک‌ و اسانس آویشن پوشش دار شده بر عملکرد رشد و پاسخ-های ایمنی جوجه‌های گوشتی با استفاده از روش مدیریت تصمیم گیری چند شاخصی بود. در این مطالعه 420 جوجه‌ی گوشتی در قالب هفت گروه آزمایشی با شش تکرار و 10 جوجه در هر تکرار به مدت 42 روز استفاده شدند. تیمارهای آزمایشی شامل 1) جیره فاقد اسانس آویشن و پروبیوتیک (شاهد)، 2) جیره حاوی100 میلی‌گرم پروبیوتیک، 3) جیره حاوی 100 میلی‌گرم اسانس آویشن، 4) جیره حاوی 200 میلی‌گرم پروبیوتیک، 5) جیره حاوی 200 میلی‌گرم اسانس آویشن، 6) جیره حاوی100 میلی‌گرم اسانس آویشن+ 100میلی‌گرم پروبیوتیک و 7) جیره حاوی200 میلی‌گرم اسانس آویشن+ 200 میلی‌گرم پروبیوتیک بودند. عملکرد رشد برای کل دوره و پاسخ‌های ایمنی هومورال بررسی شد. وزن شاخص برای افزایش وزن 0/2، برای ضریب تبدیل 0/15، برای شاخص تولید 0/25 و برای دیگر صفات 0/10در نظر گرفته شد. بر اساس نتایج به‌دست آمده ضرایب برای گروه شاهد، پروبیوتیک 100، آویشن 100، پروبیوتیک 200، آویشن 200، پروبیوتیک 200+آویشن 200 و پروبیوتیک 100 و آویشن 100 به‌ترتیب 0/0476، 0/126، 0/198، 0/315، 0/427، 0/727و 0/956 بود. بنابراین، گروه 100 میلی‌گرم اسانس آویشن+ 100میلی‌گرم پروبیوتیک بهترین پاسخ ایمنی و عملکرد رشد را داشتند. بنابراین بر طبق نتایج به‌دست آمده، افزودن 100 میلی‌گرم اسانس آویشن+ 100میلی‌گرم پروبیوتیک به جیره‌ی جوجه‌های گوشتی برای بهبود پاسخ ایمنی و عملکرد رشد توصیه می‌شود.

کلیدواژه‌ها

عنوان مقاله [English]

Investigation of the effects of adding probiotic and encapsulated thyme essential oil on growth performance and immune responses of broiler chicks by multi attribute decision making

نویسندگان [English]

  • Ebrahim Babakhani 1
  • Reza Rostamian 2

1 Department of Agriculture Economic, Ghaemshahr Branch, Islamic Azad University, Ghaemshahr, Iran

2 Department of Agriculture Economic, Qaemshahr Branch, Islamic Azad University, Qaemshahr , Iran

چکیده [English]

The current study aimed to investigate the effects of adding probiotic and encapsulated thyme essential oil (TEO) on growth performance and immune
responses of broiler chicks by multi attribute decision making (MADM). In the current study, 420 broiler chicks were allocated into 7 experimental
groups with 6 replication and 10 broiler chicks per replication for 42 days. The experimental treatments were included 1) diet lack of TEO and
probiotic (control), 2) diet containing 100 mg probiotic, 3) diet containing 100 mg TEO, 4) diet containing 200 mg probiotic, 5) diet containing 200
mg TEO, 6) diet containing 100 mg probiotic+100 mg TEO, and 7) diet containing 200 mg TEO+ 200 mg probiotic. Growth performance and
humoral immune responses were investigated. Index weights for weight gain, feed conversion ratio, production index were 0.2, 0.15 and 0.25,
respectively and index weight of 0.1 was considered for other parameters. Coefficients for control, probiotic 100, TEO 100, probiotic 200, TEO 200,
probiotic 100 + TEO 100 and probiotic 200 + TEO 200 were 0.0476, 0.126, 0.198, 0.315, 0.427, 0.727 and 0.956, respectively. Thus, adding 100 mg
probiotic and 100 mg TEO into diet increased immune response and growth performance. Based on obtained results, it is suggested that dietary
inclusion of 100 mg TEO + 100 mg probiotic in diet of broiler chicks has a potential to improve immune response and growth performance.

کلیدواژه‌ها [English]

  • broiler chicks
  • Herbal essential oils
  • humoral immunity
  • multi attribute decision making
  • Probiotic
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