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| تعداد مقالات | 9,681 |
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سطوح مختلف اسانس گشنیز در جیره جوجههای گوشتی: اثرات بر عملکرد رشد، خصوصیات لاشه و فراسنجه های ایمنی خون | ||
| فصلنامه علمی زیست شناسی جانوری تجربی | ||
| مقاله 3، دوره 4، شماره 3، بهمن 1394، صفحه 21-30 اصل مقاله (566.55 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| نویسندگان | ||
| شکوفه غضنفری*1؛ زاهد محمدی2 | ||
| 1گروه دام و طیور، پردیس ابوریحان، دانشگاه تهران | ||
| 2دانش آموخته کارشناسی ارشد، گروه علوم و طیور، پردیس ابوریحان، دانشگاه تهران | ||
| چکیده | ||
| چکیده استفاده از اسانسهای گیاهی به جای آنتی بیوتیک در تغذیه طیور، منجر به بهبود عملکرد طیور می شود. هدف از تحقیق حاضر، بررسی سطوح مختلف اسانس گشنیز بر عملکرد رشد، خصوصیات لاشه و سیستم ایمنی در جوجههای گوشتی بود. از 200 قطعه جوجهی یک روزه سویه راس 308 در قالب طرح کاملا تصادفی با 5 تیمار و 4 تکرار به مدت 42 روز استفاده شد. گروههای آزمایشی شامل شاهد (بدون افزودنی غذایی)، آنتیبیوتیک فلاووفسفولیپول (جیره پایه +600 میلیگرم بر کیلوگرم)، سطوح مختلف اسانس گشنیز (100، 200 و 300 میلیگرم بر کیلوگرم) + جیره پایه بودند. افزایش وزن بدن، خوراک مصرفی و ضریب تبدیل خوراک به صورت هفتگی اندازهگیری شد. نتایج در کل دوره پرورشی نشان داد که تیمار آنتیبیوتیک بیشترین مصرف خوراک را نسبت به تیمارهای سطوح 100 و 200 میلیگرم بر کیلوگرم اسانس گشنیز داشت (01/0P | ||
| کلیدواژه‌ها | ||
| اسانس گشنیز؛ عملکرد رشد؛ پاسخ ایمنی؛ خصوصیات لاشه؛ جوجه گوشتی | ||
| عنوان مقاله [English] | ||
| Dietary different levels of coriander essential oil for broilers: Effect on growth performance, carcass characteristics and blood immune parameters | ||
| نویسندگان [English] | ||
| Sh Ghazanfari1؛ Z Mohammadi2 | ||
| چکیده [English] | ||
| Abstract Dietary essential oils may be used as alternatives to antibiotics and its might improve poultry performance. The aim of this study was to investigate the effects of coriander essential oil on growth performance, carcass characteristics and immune system in broiler chickens. Two hundred day-old broiler chickens (Ross 308) were allocated to 5 treatments, 4 replications with a completely randomized design during 42 days of age. Experimental treatments consisted of control treatment (basal diet) or basal diets containing different levels of coriander essential oil (100, 200 and 300 mg/kg) and 600 mg/kg flavophospholipol antibiotic. Weight gain, feed intake and feed conversion ratio were measured weekly. Results in total period showed that highest feed intake was observed in antibiotic compared with 100 and 200 mg/kg coriander essential oil treatments (P | ||
| کلیدواژه‌ها [English] | ||
| Coriander essential oil, growth performance, Immune system, Carcass characteristics, Broiler Chicken | ||
| مراجع | ||
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