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- Title
Climate-neutral poultry farming through emission reduction and optimized energy management.
- Authors
Büscher, W.
- Abstract
Poultry farming only makes a minimal contribution to German and global greenhouse gas emissions (BIST et al., 2023). However, in order to identify targeted reduction measures on farms, it is necessary to look at the different gases and their formation conditions that are emitted from poultry farming and are relevant to the climate. These are methane, nitrous oxide and, secondarily, ammonia (IPCC, 2022). Ammonia itself is not involved in global warming; it only becomes climate-relevant via the nitrous oxide pathway. It is currently assumed that around 3% of nitrogen deposition from ammonia in the soil is converted to nitrous oxide. An analysis of the current findings on greenhouse gas emissions from poultry farming makes two facts very clear. Firstly, the state of knowledge on the formation and release of direct greenhouse gas emissions from typical poultry farming systems is very patchy. Secondly, as the level of greenhouse gas emissions is comparatively low, the savings potential is also very low! Only in the case of ammonia emissions is there an opportunity to reduce emissions on many farms and thus also to reduce indirect nitrous oxide emissions from the soil. As the carbon footprint also depends very much on the energy consumption of the livestock housing system, energy savings should be sought first, e. g. through particularly efficient fans or heating systems based on renewable energy sources (GRASSAUER et al., 2023). In addition, however, every opportunity should be exploited to generate energy. This means installing photovoltaic systems on roof surfaces or using excrements to generate biogas and biogas-based electricity and waste heat. The third measure is to use as much of the self-generated electricity as possible within the company. Battery buffers can make an important contribution here.
- Subjects
POULTRY farming; GREENHOUSE gases; LIVESTOCK housing; GREENHOUSE gas mitigation; RENEWABLE energy sources; BIOGAS; NITROUS oxide
- Publication
European Poultry Science / Archiv für Geflügelkunde, 2024, Issue 398, p5
- ISSN
0003-9098
- Publication type
Article