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مدلسازی روند مصرف انرژی و ارزیابی شاخصهای اقتصادی- زیستمحیطی در تولید مرغ گوشتی (مطالعه موردی: شهرستان خرمآباد) | ||
| مهندسی بیوسیستم ایران | ||
| مقاله 2، دوره 50، شماره 2، شهریور 1398، صفحه 267-279 اصل مقاله (948.43 K) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijbse.2019.273666.665144 | ||
| نویسندگان | ||
| موحد سپهوند1؛ حسین مبلی* 2؛ محمد شریفی3؛ مجید خانعلی3 | ||
| 1دانشجوی دکتری، گروه مهندسی مکانیک ماشین های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران. | ||
| 2استاد، گروه مهندسی مکانیک ماشین های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران. | ||
| 3استادیار، گروه مهندسی مکانیک ماشین‌های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران. | ||
| چکیده | ||
| تحقیق حاضر بهمنظور مدلسازی روند مصرف انرژی و ارزیابی شاخصهای اقتصادی- زیستمحیطی در تولید مرغ گوشتی شهرستان خرمآباد صورت گرفته است. اطلاعات مورد نیاز از طریق پرسشنامه و مصاحبه حضوری برای یک دوره پرورش در سال 95-1394 جمعآوری شد. بر اساس نتایج، متوسط کل انرژیهای ورودی و خروجی به ترتیب 27/163699 و 64/26730 مگاژول بهازای 1000 قطعه مرغ محاسبه شد. نتایج استفاده از تابع کاب- داگلاس نشان داد که تأثیر تمامی نهادههای انرژی بر عملکرد مثبت بود. تحلیل حساسیت نشان داد، با افزایش یک مگاژول در انرژی ورودی نهادههای نیروی انسانی، تجهیزات، سوخت، خوراک مصرفی و الکتریسیته، عملکرد به ترتیب 388/0، 055/0، 009/0، 016/0 و 006/0 کیلوگرم افزایش مییابد. نسبت فایده به هزینه 21/1 تعیین شد. شاخصهای پتانسیل گرمایش جهانی، اسیدی شدن و اختناق دریاچهای به ترتیب 7/5272 کیلوگرم کربن دیاکسید معادل، 56/62 کیلوگرم گوگرد دیاکسید معادل و 56/22 کیلوگرم فسفات معادل بهازای یک تن وزن مرغ زنده محاسبه شد. | ||
| کلیدواژه‌ها | ||
| ارزیابی چرخه زندگی؛ تابع کاب- داگلاس؛ تحلیل حساسیت انرژی؛ شاخص های اقتصادی؛ مرغ گوشتی | ||
| عنوان مقاله [English] | ||
| Modeling of Energy Consumption Trend and Economic-Environmental Indexes Assessment of Broiler Production (Case Study: Khorramabad County) | ||
| نویسندگان [English] | ||
| Movahed Sepahvand1؛ Hossein Mobli2؛ Mohammad Sharifi3؛ Majid Khanali3 | ||
| 1Ph.D. Student, Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran. | ||
| 2Professor, Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran. | ||
| 3Assistant Professor, Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran. | ||
| چکیده [English] | ||
| This research was conducted to modeling of energy consumption trend and economic- environmental indexes assessment of broiler production in Khorramabad County. The data were collected through interviews and questionnaires for a growing period of 2015. According to results, the total average of input and output energies were obtained 163699.27, 26730.64 MJ/1000Birds, respectively The Cobb-Douglas function results showed that the effects all inputs were positive on the yield. The results of the sensitivity analysis showed that an increase of 1 MJ in energy inputs of human labor, equipment, fossil fuel, feed and electricity will lead to an additional increase in yield by 0.388, 0.055, 0.009, 0.016 and 0.006 kg, respectively. The benefit to cost ratio 1.21 was determined. The indexes of global warming potential, acidification and eutrophication for production of 1 ton live weight were estimated to be 5272.7 kg CO2-eq, 62.56 kg SO2-eq and 22.56 kg PO4-eq respectively. | ||
| کلیدواژه‌ها [English] | ||
| Life Cycle Assessment, Cobb-Douglas function, Energy sensitivity analysis, Economic indexes, broiler | ||
| مراجع | ||
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