نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانش آموخته کارشناسی ارشد، گروه علوم دامی، دانشکده کشاورزی، مجتمع آموزش عالی سراوان، سراوان، ایران
2 استادیار،گروه علوم دامی، دانشکده کشاورزی، مجتمع آموزش عالی سراوان، سراوان، ایران .
3 استادیار،گروه علوم دامی، دانشکده کشاورزی، مجتمع آموزش عالی سراوان، سراوان، ایران
چکیده
اثر سطوح مختلف کلسیم، عصاره هیدروالکلی گیاه دارویی پنیرباد، و روغن کتان بر عملکرد، ابقاء مواد معدنی و ریخت شناسی استخوان با استفاده از 480 قطعه جوجه نر گوشتی سویه راس 308 یک‌روزه در یک آزمایش فاکتوریل 2×3×2 با دو سطح کلسیم (کلسیم در سطح توصیه شده و کلسیم در حد 30 درصد کمتر از سطح توصیه شده)، سه سطح عصاره پنیرباد (صفر، 100 و 200 میلی‌گرم بر کیلوگرم جیره غذایی) و دو سطح روغن کتان (صفر و دو درصد جیره) در قالب طرح کاملا تصادفی با چهار تکرار و 10 قطعه جوجه در هر تکرار و به مدت 24 روز بررسی شد. افزودن 100 میلی‌گرم در کیلوگرم عصاره پنیرباد به جیره، سبب افزایش مصرف خوراک و افزایش وزن شد(0/05>p). معدنی شدن صفحه رشد استخوان پرندگان تغذیه شده با مکمل عصاره پنیرباد، افزایش یافت(0/05>p).افزودن روغن کتان به جیره تاثیری بر عملکرد و فراسنجه های استخوانی نداشت. میزان خاکستر تحت تاثیر اثرات متقابل عصاره پنیرباد و روغن کتان قرار گرفت و میزان آن ها در جوجه های تغذیه شده با جیره های فاقد عصاره پنیرباد و روغن کتان کاهش نشان داد. در 24 روزگی میزان فسفر خون در جوجه های تغذیه شده با جیره حاوی کلسیم در حد نیاز و 200 میلی گرم عصاره پنیرباد افزایش یافت(0/05>p). براساس نتایج این تحقیق افزودن 100 و 200 میلی گرم در کیلوگرم عصاره هیدروالکلی میوه پنیرباد به جیره جوجه های گوشتی سبب بهبود عملکرد و برخی از شاخص های استخوانی می شود.
کلیدواژه‌ها
عنوان مقاله [English]
effect of calcium level, hydroalcoholic extract of Withania coagulans and flaxseed oil levels on performance, mineral retention and bone morphology of broiler chickens
نویسندگان [English]
- Maliheh noori 1
- Hassan Saleh 2
- Mohamadtaher Mirakzehi 3
1 Department of Animal Science, Higher Educational Complex of Saravan. P.O. Box: 99516-34145, Saravan, Sistan and Baluchestan, Iran
2 epartment of Animal Science, Higher Educational Complex of Saravan. P.O. Box: 99516-34145, Saravan, Sistan and Baluchestan, Iran
3 Department of Animal Science, Higher Educational Complex of Saravan. P.O. Box: 99516-34145, Saravan, Sistan and Baluchestan, Iran
چکیده [English]
Effect of different levels of calcium, hydroalcoholic extracts Withania coagulans, and flaxseed oil on performance, mineral retention and bone morphology using with four thousand and eighty male Ross 308 broiler chicks in a 2×3×2 factorial experiment with two calcium levels (Calcium at the recommended level and calcium 30% less than the recommended level), extract Withania coagulans (Zero, 100 and 200 mg / kg in diet) ) and flaxseed oil (0% and 2% diet) in a completely randomized design with four replications and 10 birds per treatment were evaluated for 24 days. Adding 100 mg/kg of extract Withania coagulans to the diet increased feed intake and weight gain. Mineralization of bone growth plate increased in birds fed the extract Withania coagulans supplement (P <0.05). Supplement flax oil in diet did not show a positive effect on performance and bone parameters. Physical properties and mineral retention of calcium and phosphorus were not affected by the supplements. However, the amount of bone ash was affected by the interactions of flaxseed oil and extract, and the amount of ash in chickens fed diets without extract and flaxseed oil decreased. At 24 days of age, blood phosphorus levels in chickens fed a diet containing calcium and 200 mg of extract Withania coagulans increased (P <0.05). Based on the results of this study, adding 100 and 200 ml/kg hydroalcoholic extract of Withania coagulans to the diet of calcium deficient broilers improves performance and some bone parameters.
کلیدواژه‌ها [English]
- Bone
- Broilers
- Calcium retention
- Withania coagulans
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