اثرات سطوح مختلف عصاره الکلی گیاه دارویی خرفه (Portulaca oleracea L.) بر شاخصه‌های عملکردی، لیپیدهای خون و ژن های موثر بر اشتها در جوجه های گوشتی

نوع مقاله : مقاله پژوهشی

نویسنده

گروه علوم دامی، واحد کاشمر، دانشگاه آزاد اسلامی، کاشمر، ایران

10.22034/AEJ.2021.290419.2559

چکیده

آزمایشی به منظور بررسی اثرات استفاده از سطوح مختلف عصاره گیاه خرفه بر عملکرد رشد، لیپیدهای خون و بیان ژن‌های موثر بر کنترل اشتها در جوجه‌های گوشتی انجام گرفت. تعداد 250 قطعه جوجه گوشتی نر یک روزه راس-308 به صورت تصادفی به پنج تیمار غذایی با پنج تکرار و 10 قطعه جوجه  در هر تکرار تقسیم شدند. تیمارهای غذایی شامل 5 تیمار: شاهد (جیره پایه بدون عصاره خرفه)، جیره پایه همراه 50، 100، 150 و 200 میلی گرم عصاره گیاه خرفه در گرم خوراک مصرفی از 1 تا  42 روزگی بودند. مصرف خوراک، وزن بدن، ضریب تبدیل خوراک و درصد تلفات طی دوره آزمایش مورد اندازه‌گیری قرار گرفت. اثر تیمارهای غذایی بر مقدار مصرف خوراک، وزن بدن و ضریب تبدیل خوراک  از 1 تا 42 روزگی معنی‌دار نبود، اگرچه بیش ترین مقدار مصرف خوراک در سطوح 150 و 200 میلی‌گرم عصاره خرفه مشاهده شد. در 42 روزگی اثر تیمارها بر مقادیر LDL و تری‌گلیسرید معنی‌دار بود (0/05>P)، بیان ژن NPY در تیمارهای حاوی عصاره خرفه نسبت به تیمار شاهد از نظر آماری تفاوت معنی­ داری نداشت، اگرچه در تیمار حاوی 200 میلی‌گرم عصاره خرفه بیش تر بود. بیان ژن PNOC در تیمار حاوی 200 میلی‌گرم خرفه بیش تر از شاهد بود (0/01>P). لذا می توان عصاره خرفه را بربرخی لیپیدهای خون و افزایش بیان ژن­ های نوروپپتیدهای افزاینده اشتها موثر دانست.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

The effect of purslane seed (Portulaca oleracea) extract on performance, blood lipid parameters and genes affecting the appetite in broiler cockerels

نویسنده [English]

  • Reza Vakili
Department of Animal Science, Kashmar Branch, Islamic Azad University, Kashmar, Iran
چکیده [English]

An experiment was conducted to investigate the effects of using different levels of portulaca oleracea extract on growth performance, blood lipids and expression of genes affecting appetite control in broilers. A total of 250 one-day-old male Ross-308 broilers were randomly divided into five food treatments with five replications and 10 chickens per replication. Dietary treatments included 5 control treatments: (base diet without portulaca oleracea extract), base diet with 50, 100, 150 and 200 mg of portulaca oleracea extract per g of feed from 1 to 42 days. Feed intake, body weight, feed conversion ratio and mortality percentage were measured during the experimental period. The effect of dietary treatments on feed intake, body weight and feed conversion ratio from 1 to 42 days was not significant, although the highest feed intake was observed at the levels of 150 and 200 mg of portulaca oleracea extract. At 42 days of age, the effect of treatments on LDL and triglyceride levels was significant (P<0.05). The expression of NPY gene in treatments containing portulaca oleracea extract was not statistically significant compared to the control treatment, although it was higher in the treatment containing 200 mg of portulaca oleracea extract. PNOC gene expression in the treatment containing 200 mg of portulaca oleracea was higher than the control (P<0.01). Therefore, portulaca oleracea extract can be considered effective on some blood lipids and increasing the expression of appetite-enhancing neuropeptide genes.

کلیدواژه‌ها [English]

  • Appetite
  • Purslane seed extract
  • Triglyceride
  • Feed intake
  • Expression of gene
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