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ارزیابی ترکیب شیمیایی، انرژی قابل متابولیسم و گوارش پذیری سه گیاه شورپسند مورد تعلیف شتر به روش آزمایشگاهی | ||
| علوم دامی | ||
| مقاله 3، دوره 28، شماره 106، خرداد 1394، صفحه 29-42 اصل مقاله (1.32 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2015.101345 | ||
| نویسندگان | ||
| اکبر ابرغانی* 1؛ مرتضی چاجی2؛ هرمز منصوری3؛ مرتضی ممویی2؛ خلیل میرزاده4؛ هدایت اله روشنفکر5 | ||
| 1دانش آموخته دوره دکتری تغذیه دام دانشگاه کشاورزی ومنابع طبیعی رامین خوزستان، ایران | ||
| 2دانشیار دانشگاه کشاورزی ومنابع طبیعی رامین خوزستان، ایران | ||
| 3استاد یار موسسه تحقیقات علوم دامی کشور، کرج، ایران | ||
| 4استادیار دانشگاه کشاورزی ومنابع طبیعی رامین خوزستان | ||
| 5دانشیار گروه علوم دامی دانشگاه کشاورزی ومنابع طبیعی رامین خوزستان | ||
| چکیده | ||
| سه گونه گیاهی شورزی تحت چرای شتر به نامهای سلمکی ساقه سفید، اشنان و سیاه شور از نظر ترکیب شیمیایی، انرژی قابل متابولیسم و گوارشپذیری ماده خشک، ماده آلی و فیبر در قالب طرح آزمایشی کاملاً تصادفی مورد مطالعه قرار گرفتند. نمونههای گیاهی در طول فصل چرای پاییزه و زمستانه از مراتع تحت چرای جنوب استان خوزستان و بر اساس الگوی چرای شتر از بوتههای مذکور جمعآوری و بر اساس ماده خشک مخلوط و نمونههای ترکیبی (به عنوان تیمار) تهیه شدند. جایگزینی سلمکی ساقه سفید با هر کدام از 5/66 یا 5/33 درصد از اشنان و سیاه شور به طور معنیداری مقدار ماده آلی را کاهش و مقدار خاکستر را افزایش داد. همچنین با جایگزینی مزبور، انرژی قابل متابولیسم افزایش یافت (05/0>P). درصد گوارشپذیری ماده خشک تحت تاثیر تیمار قرار گرفت (05/0>P). جایگزینی 5/66 درصد سیاه شور با اشنان و سلمکی ساقه سفید با اشنان سبب افزایش گوارشپذیری ماده آلی شد (05/0>P). گیاه سلمکی ساقه سفید در مقایسه با دو گونه اشنان و سیاه شور و همچنین اشنان در مقایسه با سیاه شور از درصد گوارشپذیری دیواره سلولی و دیواره سلولی منهای همی سلولز بالاتری برخوردار بودند (05/0>P). نتایج نشان داد که سه گونه گیاهی مورد مطالعه تفاوتی از نظر انرژی قابل متابولیسم نداشتند، ولی ترکیب اشنان و سلمکی ساقه سفید موجب افزایش گوارش پذیری ماده آلی و ارزش انرژیزائی آنها شد. | ||
| کلیدواژه‌ها | ||
| گیاهان شورزی؛ شتر؛ گوارش پذیری؛ سلمکی ساقه سفید؛ اشنان؛ سیاه شور | ||
| عنوان مقاله [English] | ||
| Chemical composition, metabolizable energy and in vitro digestibility of three camel browsed halophyte species | ||
| نویسندگان [English] | ||
| Akbar Abarghani1؛ M. Chaji2؛ H. Mansouri3؛ Morteza Mamouei2؛ Khalil Mirzadeh4؛ Hedayatolah Roshanfekr5 | ||
| چکیده [English] | ||
| Chemical composition and metabolizable energy of three camel browsed halophyte species (Atriplex leucoclada, Suaeda fruticosa, Seidlitzia rosmarinus) were assessed and in vitro digestibility of DM (IVDMD), OM (IVOMD), NDF (IVNDFD), ADF (IVADFD) were determined using a completely randomized design. Plant samples were collected based on camel's grazing patterns during the autumn-winter grazing seasons in southern Khuzestan province. The samples were mixed on dry matter basis to provide different combined mixtures (as treatments). Replacing 33.5 or 66.5% of A. leucoclada with S. rosmarinus or S. fruticosa reduced OM content and increased Ash content. Also, replacing of A. leucoclada with S. rosmarinus increased ME content. The IVDMD of treatments were different (p<0.05). Replacing 66.5% of S. fruticosa with S. rosmarinus and A. leucoclada with S. rosmarinus increased IVOMD. NDF and ADF digestibility of A. leucoclada were higher than those of S. rosmarinus and S. fruticosa, also S. rosmarinus than that of S. fruticosa(p<0.05). It can be concluded that, three species were not different in terms of metabolizable energy but the combination of A. leucoclada with S. rosmarinus enhanced organic matter digestibility and energetic value | ||
| کلیدواژه‌ها [English] | ||
| Halophyte plants, Camel, Digistibility, Atriplex leucoclada, Suaeda fruticosa, Seidlitzia rosmarinus | ||
| مراجع | ||
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