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تعیین سطح مطلوب انرژی و پروتئین در جیره رشد بلدرچین ژاپنی (Coturnix coturnix japonica) | ||
| تولیدات دامی | ||
| مقاله 1، دوره 15، شماره 1، تیر 1392، صفحه 1-10 اصل مقاله (534.77 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/jap.2013.36598 | ||
| نویسندگان | ||
| محمد یازرلو1؛ داود شریفی* 2؛ فرید شریعتمداری3؛ عبدالرضا صالحی2 | ||
| 1کارشناس ارشد گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، پاکدشت‌ـ‌ایران | ||
| 2دانشیار گروه علوم دام و طیور، پردیس ابوریحان، دانشگاه تهران، پاکدشت‌ـ‌ایران | ||
| 3استاد گروه علوم دامی، دانشکدۀ کشاورزی، دانشگاه تربیت مدرس، تهران‌ـ‌ایران | ||
| چکیده | ||
| به‌منظور تعیین سطح مطلوب انرژی و پروتئین در جیرۀ دورۀ رشد بلدرچین ژاپنی، از تعداد 360 قطعه بلدرچین ژاپنی یک‌روزه در آزمایش فاکتوریل 3 × 3، [سه سطح انرژی سوخت‌و‌سازپذیر (2750، 2850 و 2950 کیلوکالری در کیلوگرم) و سه سطح پروتئین (24، 26 و 28 درصد)] در قالب طرح کاملاً تصادفی با چهار تکرار و 10 پرنده در هر تکرار استفاده شد. مصرف خوراک و افزایش وزن هفتگی اندازهگیری، و ضریب تبدیل غذا محاسبه شد. در پایان دوره، از هر واحد آزمایشی چهار قطعه پرنده (از هر دو جنس) انتخاب و پس از خونگیری برای بررسی صفات لاشه، کشتار شدند. غلظت سرمی هورمون رشد در نمونههای خون اندازهگیری شد. افزایش وزن روزانه، ضریب تبدیل، و بازده لاشۀ پرندگان تیماری که جیرۀ حاوی 2850 کیلوکالری در کیلوگرم انرژی سوخت‌و‌سازپذیر و 26 درصد پروتئین دریافت کردند بهتر بود (05/0>P). غلظت سرمی هورمون رشد پرندگان تغذیه‌شده با جیرۀ حاوی 2750 کیلوکالری در کیلوگرم انرژی سوخت‌و‌سازپذیر بیشتر بود (05/0>P). بدین ترتیب جیرۀ حاوی 2850 کیلوکالری در کیلوگرم انرژی سوخت‌و‌سازپذیر و 26 درصد پروتئین به‌عنوان جیرۀ رشد بلدرچین توصیه میشود. | ||
| کلیدواژه‌ها | ||
| انرژی؛ بلدرچین ژاپنی؛ پروتئین؛ رشد | ||
| عنوان مقاله [English] | ||
| Determination of optimum levels of energy and protein in grower diet of Japanese quail (Coturnix coturnix Japonica) | ||
| نویسندگان [English] | ||
| Mohammad Yazarloo1؛ Seyed Davood Sharifi2؛ Farid Shariatmadari3؛ Abdolreza Salehi2 | ||
| 1M.Sc. Student, Department of Animal and Poultry Science, College of Aburaihan, University of Tehran, Pakdasht, Iran | ||
| 2Associate Professor, Department of Animal and Poultry Science, College of Aburaihan, University of Tehran, Pakdasht, Iran | ||
| 3Professor, Department of Animal Science, College of Agriculture, Tarbiat Modarres University, Tehran, Iran | ||
| چکیده [English] | ||
| In order to determine the optimal levels of energy and protein in grower diet of Japanese quail, 360 day old Japanese quails were used in a 3×3 factorial arrangement of dietary treatments that comprised three levels of metabolisable energy (2750, 2850, and 2950 Kcal/kg) and three levels of crude protein (24, 26 and 28 percent) with four replicates per treatment in a completely randomized design. Feed intake and body weight were measured weekly and feed conversion ratio was calculated. At 35 d of age, four birds (from both sexes) from each replicate were randomly selected and killed following blood sampling to evaluate carcass traits. The blood samples were assayed for the sera concentrations of growth hormone. Results indicated that birds fed on diets containing 2850 kcal/kg metabolisable energy and 26 percent protein had higher daily weight gain and better feed conversion ratio and carcass yield (P<0.05). The sera concentration of growth hormone was higher in birds fed on diet containing 2750 kcal/kg metabolisable energy (P<0.05). This study indicated that Japanese quails can grow faster and more efficiently on diet containing 2850 kcal/kg metabolisable energy and 26 percent protein. Therefore, the diet containing 2850 kcal/kg metabolisable energy and 26 percent protein could be recommended as dietary metabolisable energy and protein requirements for growing Japanese quails. | ||
| کلیدواژه‌ها [English] | ||
| Energy, Growth, Japanese quail, Protein | ||
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