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بررسی ویژگی های شیمیایی و تغذیه ای سیلاژ غلاف نخود فرنگی و تاثیر آن بر عملکرد بره های پرواری زندی | ||
| تولیدات دامی | ||
| مقاله 2، دوره 25، شماره 4، دی 1402، صفحه 375-388 اصل مقاله (634.41 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jap.2023.363118.623753 | ||
| نویسندگان | ||
| سید حمید موسوی اسفیوخی؛ محمد رضا سهل آبادی؛ بهزاد خرمی* | ||
| گروه علوم دام و طیور، دانشکده فناوری کشاورزی، دانشگاه تهران، پاکدشت، ایران | ||
| چکیده | ||
| به منظور بررسی ویژگی‌های شیمیایی و تغذیه‌ای سیلاژ غلاف نخود فرنگی و تاثیر آن بر عملکرد بره‌های پرواری، از 24 راس بره نر زندی به مدت 75 روز در قالب طرح کاملا تصادفی استفاده شد. تیمارهای آزمایشی شامل شاهد (جیره پایه) و سیلاژ غلاف نخود فرنگی (جایگزینی به میزان 20 درصد با کاه گندم و یونجه در جیره پایه) بودند. میزان ماده خشک، پروتئین خام، چربی خام، خاکستر، فیبر نامحلول در شوینده خنثی و فیبر نامحلول در شوینده اسیدی سیلاژ غلاف نخود فرنگی به ترتیب 20، 11/8، 1/8، 8، 62 و 20/2 درصد تعیین گردید. پتانسیل تجزیه‌پذیری شکمبه‌ای ماده خشک و پتانسیل تولید گاز در شرایط آزمایشگاهی سیلاژ غلاف نخود فرنگی پس از 96 ساعت انکوباسیون به ترتیب 83 درصد و 6/58 میلی‌لیتر در گرم ماده خشک برآورد گردید. استفاده از سیلاژ غلاف نخود فرنگی در جیره بره‌های پرواری وزن پایانی و میانگین افزایش وزن روزانه را بهبود بخشید (0/05>P). استفاده از سیلاژ غلاف نخود فرنگی باعث افزایش قابلیت هضم ماده خشک جیره گردید (0/05>P)، اما قابلیت هضم سایر مواد مغذی تحت تاثیر تیمارهای آزمایشی قرار نگرفت. فراسنجه‌های خونی شامل کلسترول، تری‌گلیسرید، HDLو LDL تحت تاثیر تیمارهای آزمایشی قرار نگرفتند به جز گلوکز که با تغذیه سیلاژ غلاف نخود فرنگی کاهش یافت (0/05>P). تیمارهای آزمایشی هیچ تاثیر معنی داری بر صفات لاشه نداشتند. بر اساس نتایج حاصل از این مطالعه، استفاده از سیلاژ غلاف نخود فرنگی در جایگزینی با علوفه‌های رایج مانند کاه گندم و یونجه می‌تواند باعث بهبود عملکرد بره‌های پرواری و همچنین کاهش هزینه‌های پرورش گردد. | ||
| کلیدواژه‌ها | ||
| بره پرواری؛ سیلاژ غلاف نخود فرنگی؛ عملکرد؛ فراسنجه های خونی؛ قابلیت هضم | ||
| عنوان مقاله [English] | ||
| The study of chemical and nutritional characteristics of pea (Pisum sativum L.) pod silage and its effect on the performance of finishing Zandi lambs | ||
| نویسندگان [English] | ||
| Seyed Hamid Mousavi Esfiokhi؛ Mohammad Reza Sahlabadi؛ Behzad Khorrami | ||
| Department of Animal and Poultry Science, Faculty of Agricultural Technology, University of Tehran,, Pakdasht, Iran | ||
| چکیده [English] | ||
| In order to investigate the chemical and nutritional characteristics of pea pod silage (PPS) and its effect on the performance of fattening lambs, 24 Zandi male lambs (initial BW, 33.5 ±1.5 kg) were used in a completely randomized design over 75 days. Experimental treatments were: 1) control; (basal diet) 2- pea pod silage (PPS replaced wheat straw and alfalfa in the basal diet). The amount of dry matter (DM), crude protein, ether extract, ash, neutral detergent fiber and acid detergent fiber of PPS were determined 20, 11.8, 1.8, 8, 62 and 20.2 percent, respectively, and pH was 6.02. The rumen degradability potential of DM and in vitro gas production potential of PPS after 96 h of incubation were estimated 83 and 58.6 percent, respectively. The use of PPS in fattening lambs rations improved the final body weight and increased the daily weight gain (P<0.05). The amount of DM digestibility was affected by the treatment (P<0.05), but digestibility of other nutrients was not affected by the experimental treatment. Blood parameters (cholesterol, triglyceride, HDL and LDL) were not affected by the experimental treatments, except for the glucose, which significantly decreased by feeding PPS (P<0.05). The experimental treatments had no significant effect on carcass traits. Based on the results of this study, the use of pea pod silage as a cost-effective alternative forage in replacement with common forages such as wheat straw and alfalfa can improve the performance of fattening lambs. | ||
| کلیدواژه‌ها [English] | ||
| Blood parameters, Digestibility, Fattening lambs, Pea pod silage, Performance | ||
| مراجع | ||
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