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اثرات افزودن ملاس چغندر و دانه جو و پژمرده نمودن بر فراسنجههای کمی و کیفی علوفه سیلو شده کلزا | ||
| علوم دامی | ||
| مقاله 15، دوره 31، شماره 119، شهریور 1397، صفحه 169-182 اصل مقاله (1.76 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/asj.2017.114697.1490 | ||
| نویسندگان | ||
| مجید نظام دوست1؛ تقی قورچی* 2؛ سمانه اربابی3؛ سعید زره داران4؛ سیدمحمدمهدی سیدالموسوی5 | ||
| 1دانش آموخته مقطع کارشناسی ارشد گروه تغذیه دام و طیور دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
| 2استاد تمام گروه تغذیه دام و طیور دانشگاه علوم کشاورزی و منابع طبیعی گرگان . | ||
| 3دانش آموخته مقطع دکتری دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
| 4استاد تمام گروه علوم دامی دانشگاه فردوسی مشهد | ||
| 5دانشجوی دکتری گروه تغذیه دام و طیور دانشگاه علوم کشاورزی و منابع طبیعی گرگان | ||
| چکیده | ||
| این آزمایش با هدف تعیین تأثیر افزودن ملاس، دانه جو و زمان تأخیر در تهیه سیلاژ بر کیفیت ظاهری و ارزش تغذیهای سیلاژ کلزا انجام شد. دادهها در قالب طرح کاملاً تصادفی و آرایه فاکتوریل 2×4 آنالیز شدند. تیمارهای آزمایشی شامل: 1) سیلاژ بدون افزودنی (شاهد) بدون تأخیر در تهیه سیلاژ، 2) سیلاژ بدون افزودنی با 48 ساعت تأخیر در تهیه سیلاژ 3) افزودن 5 درصد ملاس بدون تأخیر در تهیه سیلاژ ، 4) افزودن 5 درصد ملاس با 48 ساعت تأخیر در تهیه سیلاژ ، 5) افزودن 5 درصد دانه جو بدون تأخیر در تهیه سیلاژ ، 6) افزودن 5 درصد دانه جو با 48 ساعت تأخیر در تهیه سیلاژ ، 7) افزودن 5/2 درصد ملاس + 5/2 درصد دانه جو بدون تأخیر در تهیه سیلاژ و 8) افزودن 5/2 درصد ملاس + 5/2 درصد دانه جو با 48 ساعت تأخیر در تهیه سیلاژ بودند. هر کدام از افزودنیها در دو زمان مختلف با علوفه کلزا مخلوط شدند (صفر و 48 ساعت پس از برداشت)، و سپس در سطلهای پلاستیکی، به مدت 60 روز در دمای 25 درجه سانتیگراد نگهداری شدند. مطابق نتایج، افزودن ملاس باعث افزایش کربوهیدراتهای محلول در آب، کاهش PH، فیبر نامحلول در شوینده خنثی و اسیدی شد (05/0>P). تاخیر در تهیه سیلاژ، سبب بهبود شرایط ظاهری، افزایش PH و پروتئین خام سیلاژ گردید (05/0>P). تیمار دارای ملاس و دانه جو با 48 ساعت تاخیر در سیلو کردن، عملکرد بهتری به لحاظ خصوصیات ظاهری، ترکیبات شیمیایی و قابلیت هضم سیلاژ کلزا داشت. | ||
| کلیدواژهها | ||
| سیلاژ علوفه کلزا؛ ملاس و دانه جو؛ تأخیر در سیلو | ||
| عنوان مقاله [English] | ||
| The effects of adding beet molasses and barley grain and delay before ensiling on canola silage quantity and quality parameters | ||
| نویسندگان [English] | ||
| Majid Nezamdoost1؛ T. Ghorchi2؛ Samaneh Arbabai3؛ Saeed Zerehdaran4؛ Seyed Mohamad Mahdi Seyedalmoosavi5 | ||
| 1MSc. Animal Nutrition Science. Dept. Animal and Poultry Nutrition, Gorgan University of Agricultural Sciences and Natural Resoureces | ||
| 3Ph.D., Dept. Animal and Poultry Nutrition, Gorgan University of Agricultural Sciences and Natural Resoureces | ||
| 4Professor., Dept. Animal and Poultry Science, Ferdowsi University of Mashhad | ||
| 5Ph.D Student., Dept. Animal and Poultry Nutrition, Gorgan University of Agricultural Sciences and Natural Resoureces | ||
| چکیده [English] | ||
| This study was conducted in order to determine the effects of adding molasses, barley grain and also, delay before ensiling on appearance characteristics, and nutritional value of canola silage. The data were analyzed using a completely randomized design with 2×4 factorial method. The experimental treatments were as followed: 1- silage without additive (control) and without delay before ensiling, 2- silage without additive with 48 hours delay before ensiling, 3- adding 5% molasses without delay before ensiling, 4- adding 5% molasses with 48 hours delay before ensiling, 5- adding 5% barley grain without delay before ensiling, 6- adding 5% barley grain with 48 hours delay before ensiling, 7- adding 2.5% molasses + 2.5% barley grain without delay before ensiling, and 8- adding 2.5% molasses + 2.5% barley grain with 48 hours delay before ensiling. Each of additives mixed with canola forage in 2 different times (0 and 48 h after harvest), and then, packed into plastic bucket containers, and were kept at 25°C for 60 days. According to the results, adding molasses increased water soluble carbohydrates, and decreased pH, neutral detergent fiber and acid detergent fiber (P<0.05). Delay before ensiling, improved appearance characteristics, and also, increased pH and crude protein of silage (P<0.05). In conclusion, molasses and barley grain with 48 hours delay before ensiling had a better performance, in terms of appearance characteristics, chemical composition and canola silage digestibility. | ||
| کلیدواژهها [English] | ||
| Canola silage, Molasses and Barley grain, Delay befor ensiling | ||
| مراجع | ||
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