نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانش ‏آموخته کارشناسی ارشد، گروه علوم دامی، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه، ایران

2 استاد گروه علوم دامی، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه، ایران

3 دانشیار بخش تحقیقات علوم دامی مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی، سارمان تحقیقات و آموزش و ترویج کشاورزی کرمانشاه. ایران

4 دانشجو دکتری، گروه علوم دامی، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه ایران.

5 پژوهشگر پسادکتری، گروه علوم دامی، دانشکده کشاورزی، دانشگاه رازی، کرمانشاه، ایران

چکیده

اثر تغذیه اسانس صمغ درخت ون در دوران شیرخوارگی بر عملکرد رشد، بره‌های نر سنجابی در دوره شیرخوارگی و پس از شیرگیری با استفاده از30 رأس بره نر از یک گله پس از هم‌زمان‌سازی فحلی در قالب طرح کاملاً تصادفی با 3 تیمار و 10 تکرار بررسی شد. بره‌ها سه روز پس از تولد به سه گروه تقسیم شدند. گروه اول که هیچ اسانسی دریافت نکردند و به گروه دوم و سوم در تمام دوران شیرخوارگی به‌ترتیب 8/0 و 6/1 میلی‌لیتر در روز اسانس صمغ درخت ون با استفاده از سرنگ خورانده شد. بره‌ها در 100 روزگی از شیر گرفته شدند و به ‏مدت 10 هفته همراه سایر بره‌های گله تا سن 170 روزگی پرورش یافتند. تغذیه اسانس سبب افزایش وزن پایان شیرخوارگی و همچنین رشد پس از شیرگیری شد. گلوکز خون بره‌ها در دوره شیرخوارگی و پس از شیرگیری تحت تأثیر تغذیه اسانس قرار نگرفت. سایر فراسنجه ‏های خون مانند کلسترول، تری گلیسیرید و پروتئین کل بره‌ها که اسانس دریافت کردند کمتر بود درحالی‌که نسبت اوره و آلبومین به گلوبولین خون آن‌ها بالاتر بود. میزان مالون‏دی‏آلدهید خون بره‌های دریافت‌کننده اسانس نسبت به گروه شاهد کاهش یافت و افزایش سطح اسانس باعث کاهش بیشتر آن نشد. براساس نتایج حاصل، اسانس صمغ درخت ون به‌عنوان یک افزودنی خوراکی جدید می‌تواند در دوران شیرخوارگی پتانسیل خوبی درجهت بهبود عملکرد بره‌ها در دوره شیرخوارگی و پس از شیرگیری داشته باشد و چون خوراندن سطح بالاتر اسانس باعث بهبود بیشتر عملکرد رشد نشد، بنابراین سطح 8/0 میلی‌لیتر در روز جهت بهبود عملکرد رشد پیشنهاد می‏شود.

کلیدواژه‌ها

عنوان مقاله [English]

Effect of Pistacia Atlantica Kurdica gum essential oil on growth performance during pre and post-weaning period on Sanjabi male lambs

نویسندگان [English]

  • Yazdan Seyf 1
  • Farokh Kafilzadeh 2
  • Hassan khamisabadi 3
  • Massoumeh Rezaei 4
  • Leila Taherabadi 5

1 Former M.Sc. Student Dept. of Animal Sciences, Faculty of Agriculture, Kermanshah, Iran

2 Professor, Dept. of Animal Sciences, Faculty of Agriculture, Razi University, Kermanshah, Iran

3 Associate Professor, Animal Science Department, Kermanshah Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Kermanshah, Iran

4 Ph.D. Student. Dept. of Animal Sciences, Faculty of Agriculture, Razi University, Kermanshah, Iran.

5 Postdoctoral Researcher, Dept. of Animal Sciences, Faculty of Agriculture, Razi University, Kermanshah, Iran

چکیده [English]

The effect of feeding essential oil of Pistacia Atlantica Kurdica gum during the suckling period on pre and post-weaning growth performance of Sanjabi male lambs using 30 male lambs from an estrus synchronized flock of ewes was carried out, in the form of a completely randomized design with 3 treatments and 10 replications. The lambs were divided into three groups three days after birth. The first group received no essential oil, and the second and the third groups received a daily dose of 0.8 and 1.6 ml until weaning by a drenching syringe, respectively. Lambs were weaned at 100 days of age and were raised for 10 weeks with the other herd lambs until 170 days of age. Feeding the essential oil increased weaning weight and post-weaning daily weight gain. The blood glucose of lambs during the suckling or post-waning period did not change due to feeding the essential oil. Lambs received the essential oil and had lower blood cholesterol, triglyceride, total protein, and higher urea and albumin to globulin ratio. Feeding the essential oil reduced blood malondialdehyde levels but increasing the level of the essential oil did not further decrease this metabolite. The results showed that the essential oil as a new feed additive has a good potential to improve the pre and post-weaning performance of lambs when fed during the suckling period. Since, increasing the level of the essential oil resulted in no additional improvement in the performance of lambs therefore, a daily dose of 0.8 ml is recommended.

کلیدواژه‌ها [English]

  • Essential oil
  • Growth
  • Malondialdehyde
  • Pistacia Atlantica Kurdica gum
  • Suckling lambs
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