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مقایسه اثرات محرک‌های رشد بر پایه گیاهان دارویی و پری‌بیوتیک ( لاکتوز) بر عملکرد، خصوصیات لاشه و مورفولوژی روده کوچک جوجههای گوشتی | ||
| علوم دامی | ||
| دوره 33، شماره 128، آذر 1399، صفحه 15-28 اصل مقاله (1.53 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2019.126470.1934 | ||
| نویسندگان | ||
| عبدالرضا محسنی قره چیق1؛ جعفر فخرایی2؛ سید عبداله حسینی* 3؛ حسین منصوری یاراحمدی2؛ هوشنگ لطف الهیان4 | ||
| 1دانشجوی دکتری دانشگاه آزاد اسلامی اراک. | ||
| 2استادیار، دانشگاه آزاد اسلامی اراک. | ||
| 3استاد، موسسه تحقیقات علوم دامی کشور ، سازمان تحقیقات،آموزش و ترویج کشاورزی. کرج. ایران. | ||
| 4استادیار، موسسه تحقیقات علوم دامی کشور ، سازمان تحقیقات،آموزش و ترویج کشاورزی. کرج. ایران. | ||
| چکیده | ||
| هدف پژوهش حاضر بررسی کارآیی افزودن محرک‌های رشد گیاهی معرفی شده توسط مؤسسه تحقیقات علوم دامی کشور ( ASRI1 و ASRI2)، و مشابه وارداتی آن‌ها (Optifeed) پری‌بیوتیک به جیره بر عملکرد، خصوصیات لاشه و مورفولوژی روده کوچک جوجههای گوشتی بود. تعداد 875 قطعه جوجه گوشتی یک-روزه سویه راس- 308 به صورت مخلوط نر و ماده به 6 گروه آزمایشی، 5 تکرار و 25 پرنده در هر تکرار اختصاص داده شد. جیره مورد استفاده به صورت مرحله ای در 3 مقطع 0 تا 10 روزگی، 11 تا 24 روزگی و 25 تا 42 روزگی با توجه به احتیاجات نژادی سویه راس تنظیم شد. این آزمایش در قالب طرح کاملاً تصادفی با آرایش فاکتوریل2×3 با سه نوع محرک رشد (ASRI1، ASRI2 و وارداتی) و دو سطح پری‌بیوتیک Optifeed (صفر و 1 کیلوگرم در تن) انجام شد. نتایج نشان داد که اثر محرک‌های رشد گیاهی و پری‌بیوتیک بر مقادیر خوراک مصرفی، وزن بدن و ضریب تبدیل خوراک در دوره‌های مختلف پرورشی معنی‌دار نبود (05/0< p). اثر محرک‌های رشد بر خصوصیات لاشه معنی‌دار نبود ولی پری‌بیوتیک سبب کاهش درصد لاشه شد (05/0>p). طول و وزن نسبی روده و خصوصیات ریخت‌شناسی روده تحت تأثیر نوع محرک‌های رشد و پری‌بیوتیک قرار نگرفت (05/0< p). بر اساس نتایج این تحقیق، محرک‌های رشد داخلی تولید شده در مؤسسه تحقیقات علوم دامی کشور قابلیت جایگزینی با محصول خارجی را دارند. | ||
| کلیدواژه‌ها | ||
| پری‌بیوتیک؛ جوجههای گوشتی؛ صفات لاشه؛ عملکرد؛ محرک رشد | ||
| عنوان مقاله [English] | ||
| Effects of herbal growth promoters and prebiotic( lactose) on performance, carcass characteristics and small intestinal morphology of broiler chickens | ||
| نویسندگان [English] | ||
| abdolreza mohseni ghrachpogh1؛ Jafar Fakhraei2؛ S. A. Hoseini3؛ Hossein Mansoory Yarahmadi2؛ houshang lotfollahian4 | ||
| 1Arak Azad university | ||
| 2Department of Animal science, Islamic Azad University- Arak branch, Arak, Iran | ||
| 4Member of Scientific Board Animal Science Research Institute of Iran | ||
| چکیده [English] | ||
| An experiment was conducted to evaluate the effects of ASRI1, ASRI2, commercial growth promoter and prebiotic on performance, carcass characteristics and small intestinal morphology of broiler chickens. A total number of 875 day-old Ross 308 chickens were used in a completely randomized designed as a 2×3 factorial with six treatments, five replicates of 25 birds per each. Chickens were fed with three types of growth promoter (ASRI1, ASRI2 and commercial growth promoter) and two levels of prebiotic (0 and 1 kg/ton of diet). Body weight, feed intake and feed conversion ratio were not affected by herbal growth promoter and prebiotic (p>0.05). Effects of growth promoters and prebiotics on carcass characteristics were not significates, but prebiotic reduced the carcass yield (p < 0.05). Relative weights and lengths of intestinal tracts and morphological indices were not affected by growth promoter and prebiotic. Finally, based on the results of this research, commercial growth promoters could be substituted by ASRI1 and ASRI2. | ||
| کلیدواژه‌ها [English] | ||
| prebiotic, broiler chickens, carcass characteristics, performance, growth promoter’s | ||
| مراجع | ||
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