مدل‌سازی روند مصرف انرژی و ارزیابی شاخص‌های اقتصادی- زیست‌محیطی در تولید مرغ گوشتی (مطالعه موردی: شهرستان خرم‌آباد)

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، گروه مهندسی مکانیک ماشین های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران.

2 استاد، گروه مهندسی مکانیک ماشین های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران.

3 استادیار، 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

موضوعات


عنوان مقاله [English]

Modeling of Energy Consumption Trend and Economic-Environmental Indexes Assessment of Broiler Production (Case Study: Khorramabad County)

نویسندگان [English]

  • Movahed Sepahvand 1
  • Hossein Mobli 2
  • Mohammad Sharifi 3
  • Majid Khanali 3
1 Ph.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.
2 Professor, Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, University College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran.
3 Assistant 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
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