نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانش‌آموخته کارشناسی ارشد گروه علوم دامی دانشگاه علوم کشاورزی و منابع طبیعی خوزستان، ملاثانی، ایران.
2 دانشیار، گروه علوم دامی و صنایع غذایی، دانشگاه علوم کشاورزی و منابع طبیعی خوزستان.ملاثانی، ایران.
3 دانشیار علوم پایه ، دانشکده دامپزشکی،دانشگاه شهید چمران اهواز، اهواز، ایران.
چکیده
هدف از انجام این آزمایش، بررسی اثر پودر گیاه خارخاسک بر غلظت هورمون‌های تیروئیدی و IGF-I سرم خون بره‌های نر بود. برای این منظور، آزمایشی با استفاده از 18 راس بره نر نژاد عربی با میانگین سنی حدود سه ماه و میانگین وزن 2±14/16 کیلوگرم در قالب طرح کاملا تصادفی با سه تیمار و شش تکرار به مدت پنج ماه انجام گرفت. تیمارها شامل سطوح صفر (شاهد)، 15 و 30 گرم پودر گیاه خارخاسک در کیلوگرم جیره بودند. وزن‌گیری از بره‌ها به صورت ماهانه انجام شد، در دوره سنی چهار تا هشت ماهگی ، در هر ماه پنج نوبت متوالی از بره‌ها برای اندازه گیری غلظت هورمون های T3 و T4 در بره هایی که پودر گیاه خارخاسک دریافت کردند بالاتر از بره های شاهد بودن (P<0.05). غلظت T3 در هفت ماهگی و T4 در سن هشت ماهگی در بره های تغذیه شده با جیره حاوی 30 گرم در کیلوگرم خارخاسک بالاتر از بره های شاهد بود (p<0/05). غلظت IGF-I در سن شش ماهگی در بره های تغذیه شده با جیره حاوی 15 گرم در کیلوگرم خارخاسک بالاتر از بره های شاهد بود(p<0/05). به طور کلی نتایج این تحقیق نشان داد که تغذیه سطح 15 گرم پودر گیاه خارخاسک به بره های نر عربی با تعدیل در هورمون های تیروئیدی و IGF-I با بهبود دستگاه تولیدمثلی از کاهش میل جنسی و ناتوانی در فعالیت تولیدمثلی جلوگیری می کند.
کلیدواژه‌ها
عنوان مقاله [English]
The effect of consumption of Kharkhasak powder on the thyroid hormones and IGF-1 concentrations in blood serum of Arabi male lambs
نویسندگان [English]
- Saham maramazi 1
- Khalil Mirzadeh 2
- Saleh Tabatabaei Vakili 2
- Mohammad Reza Tabandeh 3
1 1. Master's degree in Animal Science Physiology at the Agricultural Sciences and Natural Resources University of Khuzestan.
2 Department of Animal Science, Agricultural Sciences and Natural Resources University of Khuzestan
3 4. Department of Basic Sciences, of Shahid Chamran University of Ahvaz.
چکیده [English]
The aim of this study was to evaluate the effect of Tribulus terrestris powder on thyroid hormones (T3 &T4) and IGF-I concentrations in blood serum of Arabi male lambs. For this purpose, 18 Arabi male lambs with an average age of 3 months and average weight of 16.14 ± 2 kg were used in a completely randomized design with 3 treatments and 6 replications per treatment for 5 months. Experimental treatments included the zero (control), 15 and 30 gr/kg of Tribulus Terrestris powder in diet. The weights of lambs were measured monthly. At the age of 4-8 months, 5 consecutive samples were collected monthly to measure serum T3, T4 and IGF-I concentrations. The results showed that
Tribulus terrestris powder had no significant effect on body weight. The concentrations of T3 and T4 were higher in lambs treated with Tribulus terrestris powder compared to control group (p<0.05). Concentrations of T3 at the age of 7 months and T4 at 8 months of age in lambs fed 30g/kg of Tribulus terrestris were significantly higher than control group (p<0.05). IGF-I concentration in lambs feed with 15g/kg of Tribulus terrestris at the age of 6 months was higher than control group (p<0.05). In general, the results of this study showed that feeding of 15 g/kg of Tribulus terrestris powder in Arabi male lamb diet by modulating thyroid hormones and IGF-1 and improving the reproductive system, prevents the reduction of sexual behavior and failure of reproductive activity.
کلیدواژه‌ها [English]
- Antioxidants
- Arabi lambs
- IGF-1
- Thyroid hormons
- Tribulus terrestris
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