Published in Scientific Papers. Series "Management, Economic Engineering in Agriculture and rural development", Vol. 21 ISSUE 4
Written by Tarek FOUDA, Ahmed AWNY, Mohamed DARWISH, Nourhan KASSAB, Mohamed GHONAME

The aim of the experiments was determine the amount of greenhouse gases emitted (nitrous oxide ,ethane and carbon dioxide equivalent) resulting from poultry farms and the effect of these gases on energy productivity of poultry, as well as determining carbon footprint of laying hens production farms to reduce the negative effects of greenhouse gases emissions. In addition to providing necessary information on the performance of laying hens and providing guidance to poultry farmers on the relative merits of different climatic conditions to help set standards for different production traits. The experiments were conducted in one of the farms in the city of Mansoura during the period from June to October 2021 and the capacity of the farm was 40,000 laying hens. The results showed that the amount of methane gas produced from the farm was 0.4 ton CH₄ yr^-1 and nitrous oxide gas was 0.677 ton N₂O yr^-1 for manure management. Thus, the total emissions of manure management are estimated at 50.365 tons of CO₂-eq. The amount of greenhouse gas emissions for diesel is 434.59 tons of CO₂-eq. The amount of greenhouse gas emissions (GHG) for the electricity used in the farm is 8 tons of CO₂-eq. In the end, the total amount of emissions produced from the farm is 492.96 tons of CO₂-eq.

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