بررسی تأثیر پودر سیر و سین‌ یوتیک بر عملکرد، ریخت‌شناسی و برخی از جمعیت‌های میکروبی روده در جوجه‌های گوشتی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد تغذیة دام، گروه علوم دامی، دانشگاه شهید باهنر کرمان

2 دانشیار گروه علوم دامی، دانشگاه شهید باهنر کرمان

3 استادیار، گروه علوم درمانگاهی، دانشگاه شهید باهنر کرمان

چکیده

این آزمایش به‌منظور بررسی تأثیر سین بیوتیک و سطوح مختلف پودر سیر بر عملکرد، ریخت‌شناسی و جمعیت میکروبی روده در جوجه‌های گوشتی انجام شد. آزمایش در قالب طرح کامل تصادفی با پنج تیمار، چهار تکرار و ده جوجه در هر تکرار انجام شد. تیمارهای آزمایشی شامل: 1)‌ جیرة شاهد بدون افزودنی، 2) جیرة شاهد + 200 میلی‌گرم در کیلوگرم پادزی (آنتی‌بیوتیک) ویرجینامایسین، 3) جیرة شاهد + 500 میلی‌گرم در کیلوگرم سین بیوتیک، 4و5) تیمارهای 4 و 5 به ترتیب جیرة شاهد+ 2/0 و 4/0 درصد پودر سیر. وزن بدن و مصرف خوراک به‌صورت هفتگی اندازه‌گیری و برای محاسبة فراسنجه‌های عملکرد استفاده شدند. نتایج نشان داد در سن 49-21 روزگی و کل دورة پرورش تیمارهای دریافت‌کنندة پادزی و 2/0 درصد پودر سیر افزایش وزن روزانه بیشتر و ضریب تبدیل غذایی بهتری داشتند (05/0P

کلیدواژه‌ها


عنوان مقاله [English]

Effects of dried garlic powder and synbiotic on performance, morphology and some of intestinal microbial population of intestine in broiler chicken

نویسندگان [English]

  • Elahe Rostami Gohari 1
  • Mohsen Afsharmanesh 2
  • Hadi Tavakkoli 3
1 M.Sc. Student, Department of Animal Science, Shahid Bahonar University of Kerman, Iran
2 Associate Professor, Department of Animal Science, Shahid Bahonar University of Kerman, Iran
3 Assistant Professor, Department of Clinical Science, Shahid Bahonar University of Kerman, Iran
چکیده [English]

This experiment was conducted to investigate the effect of synbiotic and two levels of dried garlic powder on performance during 1-49 and ileum morphology and microbial population at 49d of age in broiler chicks. The experiment was conducted in a completely randomized design with 5 treatments, 4 replicates of 10 chicks per replicate. The dietary treatments consisted of 1) control diet without additives, 2) control diet plus 200 mg virginamycin/kg diet, 3) control diets containing 500 mg synbiotic/kg diet, 4, 5) control diet containing 0.2 and 0.4 percent garlic powder, respectively. Body weight and feed intake were measured weekly and used to calculate of the performance parameters. The results showed that at 21 to 49d and whole experiment period, birds fed antibiotic and 0.2 percent garlic powder had better daily weight gain and feed conversion ratio. The length and width of the villus in the birds fed 0.2% garlic powder was higher than the control group. The greatest and least number of lactobacillus and coliform was observed in synbiotic and antibiotic treatment, respectively.

کلیدواژه‌ها [English]

  • Antibiotic
  • garlic powder
  • Intestinal morphology
  • performance
  • Synbiotic
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