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YAYLI, BÜŞRA

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YAYLI

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BÜŞRA

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    Publication
    Comparison of carbon footprints of different livestock operations
    (Parlar Scientific Publications (P S P), 2021-01-01) Kilic, Ilker; Ahmet, Begüm; Yaylı, Büşra; KILIÇ, İLKER; Ahmet, Begüm; YAYLI, BÜŞRA; Ziraat Fakültesi; Biyosistem Mühendisliği Bölümü; 0000-0002-0198-3550; 0000-0003-0087-6718; AAG-8340-2021; AAG-8511-2021; HKQ-2659-2023
    This study aims to estimate the carbon footprint resulting from the functional unit produced in a dairy cattle (100 head), a sheep (80 head), and a layer hen (12000 birds) enterprises operating in the Bursa region. In this study, 1 liter of milk in the dairy cattle farm, 1 kg of meat in the sheep farm and 1 kg of eggs in the hens' farm are considered as functional units. Within the scope of the study, Tier 1 and Tier 2 approaches were used to estimate methane gas emission both from enteric fermentation and manure management.The results obtained at the end of the study are 0.4215-1.0693 kg CO(2)e / L milk, 0.0912-0.1002 kg CO(2)e / kg meat, 0.3834 kg CO(2)e / kg egg for Tier 1 and Tier 2 approaches, respectively. Since the data containing the Tier 2 approach for the poultry operation is not available, the calculation could not be made. In line with the results, processes such as adding quality and high-energy foods to feed ration, better planning of manure operating systems, and composting are recommended for reducing enteric fermentation.
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    Publication
    Assessment of environmental impacts of broiler farms using different indicators
    (Springer, 2022-01-21) Yaylı, Büşra; Kılıç, İlker; YAYLI, BÜŞRA; KILIÇ, İLKER; Ziraat Fakültesi; Biyosistem Mühendisliği Bölümü; 0000-0002-0198-3550; AAG-8340-2021; AAG-8511-2021
    This study aims to evaluate environmental impacts within farm boundaries in broiler production systems in Turkey. There have been calculated on three-stage assessing environmental impacts: carbon footprint and water footprint. The objectives were evaluated by taking into account 1 kg of chicken meat of the functional unit. Using three different methods (real-time gas concentration, Tier 1 approach, and life cycle assessment) the carbon footprint was evaluated. We obtained an average of 2.9 kg CO2/functional unit for the carbon footprint using measured gas concentration data. Accordingly, with the Tier 1 method developed by Intergovernmental Panel on Climate Change, it has been shown that 5.1 kg CO2 equivalent carbon footprint per functional unit occurs in the broiler farms. Based on the life cycle assessment, the emissions were 3 kg CO2 equivalent per functional unit. The second stage of the study was the determination of water footprints in broiler production systems. The water footprint of farms was evaluated with SimaPro 8.2 software. According to the results, 0.003 m(3) water/functional unit was obtained by considering the drinking water and using water amount in the production.