Agroscope is looking for a: PhD Student - Ruminant Nutrition and Emissions 100%-100% / 8356 Ettenhausen (TG) good food, healthy environment In Switzerland, grazing is common in dairy farming. Grazing offers benefits for animal welfare; it also contributes to a reduction in ammonia (NH3) emissions, since urine seeps away quickly on pasture. Nevertheless, the soiled areas in the dairy housing continue to emit while the cows are on pasture. Measurement data are lacking on NH3 and methane (CH4) emissions from the housing when dairy cattle are grazed. This project measures NH3 and greenhouse gases from a naturally ventilated dairy housing with varying grazing durations and different feeding strategies. Annual values are modelled based on these measurements in order to improve the data base for emission inventories. | As part of the Swiss National Science Foundation-funded project 'Grazing strategies: quantification and modelling of housing-based emissions (graziQ-house)', you will be responsible for the following tasks: Your tasks -Planning and execution of emission measurements (NH3, CH4, CO2) at herd level in the experimental dairy housing for emission measurements using the tracer ratio method, as well as CH4 emissions on pasture using the GreenFeed system -Recording relevant parameters in the housing and on the pasture (e.g. climate, animal and feeding data, regrowth, soiling of exercise areas) -Data preparation and analysis; modelling of annual emission values -Publishing the results in peer-reviewed journals; presenting findings at scientific conferences
- Agronomy/Food Science - Agronomie/Science alimentaire - Agronomie/Lebensmittelingenieur
- Environment - Environnement - Umwelt
- Reference: jobs.myscience.ch/id59606
Eastern Switzerland, Switzerland
Agronomy/Food Science, Environment
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