تاثیر مرزه خوزستانی بر دستگاه گوارش ، لیپیدهای کبد و خون خروس های بالغ

نوع مقاله : بهداشت خوراک دام، طیور و آبزیان

نویسندگان

گروه علوم دامی، دانشکده کشاورزی دانشگاه لرستان، خرم آباد، ایران

چکیده

زمینه مطالعه: مواد فیتوژنیک از جمله افزودنی‌های غیر آنتی بیوتیکی برای جیره طیور هستند که احتمالا بخشی از تاثیر مثبت آنها بر عملکرد و سلامت طیور با تحریک ترشحات هضمی در کانال گوارش تحقق می یابد. هدف: این مطالعه با هدف بررسی تأثیر سطوح جیره ای پودر مرزه خوزستانی بر دستگاه گوارش، لیپیدهای کبد و خون در خروسهای بالغ بومی اصفهان اجرا شد. روش کار: تعداد 36 قطعه خروس بالغ بومی اصفهان در سن 40 هفتگی در قفس‌های انفرادی تحت برنامه نوردهی 14 ساعت نور و 10 ساعت تاریکی نگهداری و با سه جیره حاوی سطوح صفر (گروه شاهد)، 20 یا 40 گرم در کیلوگرم پودر مرزه خوزستانی در 12 تکرار برای مدت 10 هفته تغذیه شدند. در پایان آزمایش، همه خروس‌ها کشتار و صفات مربوط به کبد، وزن کیسه صفرا، غلظت کلسترول و بیلی روبین صفرا، pH دئودنوم، ایلیوم و سکوم و همچنین لیپیدهای خون (تری گلیسریدها، کلسترول تام، LDL و HDL کلسترول)، لیپیدتام کبد و وزن نسبی پانکراس، دئودنوم، ایلیوم و سکوم اندازه‌گیری شد. نتایج: pH سکوم برای خروس های تغذیه شده با جیره حاوی 40 گرم در کیلوگرم مرزه به طور معنی‌داری کمتر از گروه شاهد بود (05/0>P). افزودن 20 گرم در کیلوگرم پودر مرزه به جیره، درصد لیپیدتام در بافت کبد خروس را در مقایسه با گروه شاهد به طور معنی داری کاهش داد (05/0>P). نمره ارزیابی ظاهری سلامت کبد برای خروس های تغذیه شده با جیره حاوی سطح بالاتر پودر مرزه تفاوت معنی داری با گروه شاهد داشت (05/0>P). نتیجه‌گیری نهایی: نتایج نشان داد که پودر گیاه مرزه خوزستانی خاصیت کلرنرژیک در خروس بالغ ندارد ولی باعث کاهش لیپید تام و افزایش سلامت کبد می‌شود.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of Satureja khuzistanica on digestive system, liver and blood lipids in mature cocks

نویسندگان [English]

  • Maryam Sheikhan
  • Heshmatollah Khosravinia
  • Saeid Mohammadzadeh
Department of Animal Sciences, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
چکیده [English]

BACKGROUND: Phytogenic products are considered as nonantibiotic feed additive which may exert their possible appreciate effects on poultry performance and health through stimulated digestive secretions. OBJECTIVES: This study was conducted to examine the effect of dietary Satureja khuzistanica powder (SKP) on pH of intestine contents, bile secretion and composition, and liver as well as blood lipids in Isfahan native breeder cocks. METHODS: Thirty-six 40-wk-old Isfahan native breeder cocks were individually caged and randomly allotted to three groups of 12 birds each and fed with diets containing 0 (control), 20 or 40 g/kg SKP for 10 weeks. At the end of experimental period all birds were killed and used for data collection on dry weight and pH of intestine segments, liver, bile and blood variables. RESULTS: Mean pH value in ceca contents was lower in the birds received diets containing 40 g/kg SKP compared with control cocks (P>0.05). Addition of SKP in diet at 20 g/kg significantly decreased liver lipids compared with the birds fed on control diet and the diet containing 40 g/ kg (P<0.05). Liver score based on external appraisal of the organ was improved in the cocks fed with SKP-supplemented diets compared with control birds (P <0.05). CONCLUSIONS: It was concluded that supplementation of diet with SKP could improve liver health and function in breeder cocks through reduced total lipids accumulation in liver. However, SKP does not exert cholinergic effect in cocks.

کلیدواژه‌ها [English]

  • Satureja khuzistanica
  • bile composition
  • liver lipids
  • cock
  • cholinergic effect
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