Intestinal Morphology and Microbiology of Broiler Chicken Fed Diets Containing Myrtle (Myrtus communis) Essential Oil Supplementation

محورهای موضوعی : Camel

S. Ghazanfari ¹ , M. Adib Moradi ² , M. Mahmoodi Bardzardi ³

1 - Department of Animal Science, College of Abouraihan, University of Tehran, Tehran, Iran
2 - Department of Basic Science, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
3 - Department of Animal Science, College of Abouraihan, University of Tehran, Tehran, Iran

تاریخ دریافت : 1392/07/16 تاریخ پذیرش : 1392/10/09 تاریخ انتشار : 1393/06/10

کلید واژه: Broiler, gut morphology, Microbiology, myrtle essential oil,

چکیده مقاله :

This experiment was conducted to determine the effects of dietary myrtle essential oil on small intestinal morphology and microbiology of broiler chickens. Two hundred day-old broiler chickens (Ross 308) were allocated to 5 treatments, 4 replications with a completely randomized design. The diets were supplemented with: no myrtle essential oil (control), each of myrtle essential oil at levels of 100, 200 and 300 mg/kg and 600 mg/kg flavophospholipol antibiotic of diet. On day 42 days of age, one bird from each replicate was selected and then slaughtered and the intestinal microflora contents as well as morphology were analyzed. Dietary myrtle essential oil and antibiotic supplementations consistently resulted in significantly longer villus height, lower epithelial thickness and lower goblet cell number of the small intestinal at 42 day of age compared with the control treatment (P<0.05).Also, lower Escherichia coli count and higher Lactobacillus count of the caecum was found by inclusion of myrtle essential oil in the diet (P<0.001). The results of this study suggested that myrtle essential oil may be considered as an alternative to antibiotic growth promoter may improve poultry performance.

چکیده انگلیسی:

این آزمایش به منظور تعیین اثرات اسانس مورد بر مورفولوژی و میکروبیولوژی روده کوچک جوجه‌های گوشتی انجام شد. 200 قطعه جوجه گوشتی (راس 308) به 5 تیمار و 4 تکرار در قالب طرح کاملاً تصادفی قرار گرفتند. تیمارهای آزمایشی شامل شاهد (جیره پایه)، سطوح مختلف اسانس مورد (100، 200 و 300 میلی‌گرم بر کیلوگرم+جیره پایه) و 600 میلی‌گرم بر کیلوگرم آنتی ‌بیوتیک فلاووفسفولیپول + جیره پایه بودند. در 42 روزگی، یک پرنده از هر تکرار انتخاب و سپس کشتار شد و محتوای میکروفلورای سکوم و مورفولوژی روده آنالیز شد. نتایج نشان داد که تیمارهای آنتی‌بیوتیک و اسانس مورد باعث افزایش ارتفاع پرز، کاهش ضخامت اپیتلیوم و تعداد سلولهای گابلت روده کوچک در 42 روزگی در مقایسه با تیمار کنترل شدند(05/0P<). همچنین تعداد باکتری اشرشیاکلی کمتر و باکتری لاکتوباسیل بیشتری در سکوم جوجه‌هایی که اسانس مورد تغذیه می‌کردند، به دست آمد (001/0P<). نتایج این آزمایش پیشنهاد می‌کند که اسانس مورد می‌تواند به عنوان جایگزین آنتی بیوتیک باعث بهبود عملکرد طیور شود.

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