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بررسی تأثیر ترکیبات فنولی پودر گیاه دارویی گل میمونی سازوئی (Scrophularia striata Boiss) بر مصرف خوراک، قابلیت هضم مواد مغذی، رفتار نشخوار و جمعیت پروتوزوآی شکمبه در گوسفند لری-بختیاری

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی سابق کارشناسی ارشد، دانشکدة علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، اهواز، ملاثانی، ایران

2 استادیار، دانشکدة علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، اهواز، ملاثانی، ایران

3 دانشیار، دانشکدة علوم دامی و صنایع غذایی، دانشگاه کشاورزی و منابع طبیعی رامین خوزستان، اهواز، ملاثانی، ایران

4 مربی پژوهشی، مرکز تحقیقات کشاورزی صفی‌آباد دزفول

چکیده

این آزمایش به‌منظور بررسی تأثیر ترکیبات فنولی پودر گیاه گل میمونی سازوئی (تشنه­داری) بر خوراک مصرفی، هضم و تخمیر، روند نشخوار و بوم‌سازگان (اکوسیستم) شکمبة گوسفندان لری- بختیاری طراحی شد. در این آزمایش دوازده رأس بره با سن نزدیک به شش ماه و میانگین وزن 5/1±30 کیلوگرم با جیره­های شاهد (بدون گل میمونی)، 3 و 6 درصد گل میمونی سازوئی برای یک ماه تغذیه شدند. مصرف خوراک، قابلیت هضم، فعالیت نشخوار، سوخت‌وسازگر (متابولیت) ‌های خونی و گونه­های پروتوزوآ بررسی شدند. نتایج نشان داد استفاده از گیاه گل میمونی تأثیری بر میزان مصرف مادة خشک و مادة آلی، میانگین افزایش وزن روزانه و ضریب تبدیل خوراک نداشت (05/0P).  قابلیت هضم NDF و ADF در تیمارهای حاوی گل میمونی سازوئی بیشتر از شاهد بود (05/0>P). میزان نشخوار به ازای مادة خشک و NDF مصرفی در تیمار 3 درصد گل میمونی افزایش یافت (05/0>P). تیمار 6 درصد موجب کاهش معنی­دار گلوکز، اوره و کلسترول خون شد (05/0>P). میزان نیتروژن آمونیاکی در تیمار حاوی 6 درصد گل میمونی کاهش معنی­داری را در مقایسه با دیگر تیمارها داشت (05/0>P). نتایج نشان داد جمعیت کل پروتوزوآ و گونه­های پروتوزوآیی (انتودینیوم، دیپلودینیوم، اپیدینیوم و افریوسکولکس) در تیمارهای حاوی گل میمونی کاهش معنی‌داری نشان داد (05/0>P). با توجه به تأثیر ترکیبات مؤثرة گیاه کامل گل میمونی سازوئی بر بهبود هضم و تخمیر شکمبه‌ای از جمله کاهش آمونیاک و تولید گاز شاید بتوان میزان کمتر آن (3درصد) را در جیرة گوسفند لری- بختیاری استفاده کرد.

کلیدواژه‌ها


عنوان مقاله [English]

Effects of phenolic components of Scrophularia striata Boiss powder on feed intake, digestibility, rumination and rumen protozoa population in Lori- Bakhtiari sheep

نویسندگان [English]

  • Fatemeh Rezaee 1
  • Tahereh Mohammadabadi 2
  • Morteza Chaji 3
  • Mohammad Reza Mashayekhi 4
1 Former M.Sc. Student, College of Animal Science and Food Technology, Ramin Agriculture and Natural Resources University of Khuzestan, Ahvaz, Mollasani, Iran
2 Assistant Professor, College of Animal Science and Food Technology, Ramin Agriculture and Natural Resources University of Khuzestan, Ahvaz, Mollasani, Iran
3 Associate Professor, College of Animal Science and Food Technology, Ramin Agriculture and Natural Resources University of Khuzestan, Ahvaz, Mollasani, Iran
4 Researcher of the Agriculture Research Institute of Safi Abad of Dezful, Iran
چکیده [English]

This experiment was designed to evaluate the effect of phenolic components of Scrophularia striata powder on feed intake, digestion and fermentation, rumination kinetic and rumen ecosystem in Lori-Bakhtiari sheep. In this experiment, 12 six months old lambs and average weight 30±1.5 kg were fed with 0 (control), 3 and 6 percent Scrophularia striata for one month. Feed intake, digestibility, rumination activity, blood metabolites and protozoa were measured. The results showed that the use of Scrophularia striata had no effect on dry matter (DM) and organic matter (OM) intake, body weight and feed efficiency (P>0.05). Highest digestibility of DM, OM and the protein was for 3% Scrophularia striata (P

کلیدواژه‌ها [English]

  • Blood metabolites
  • digestibility
  • Lori-Bakhtiari sheep
  • Protozoa
  • Scrophularia Striata
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