Browsing Fakultät für Agrarwissenschaften (GFA) by Advisor & Referee "Spiller, Achim Prof. Dr."
Now showing items 1-20 of 95
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Food Consumption and Malnutrition: Machine Learning Applications and Agricultural Trade Analysis
(2026-01-06)Consumers’ nutritional health status is facing significant global challenges, including malnutrition, obesity, and overweight-related health risks. The persistent high consumption of meat further exacerbates resource ... -
New entrants and holistic business models in agriculture
(2025-11-24)Agriculture is becoming increasingly heterogeneous in its structure and output, accompanied by multifaceted expectations for the future, which adds complexity to political frameworks and support schemes. Addressing these ... -
An Analysis of the Determinants of Food Waste in Low-Income Communities: The Case of Hatcliffe, Harare, Zimbabwe
(2025-10-16)Food waste remains one of the world’s most pressing sustainability challenges, particularly in low- and middle-income countries, where food insecurity is a significant issue. While global estimates suggest that a third ... -
Der Einfluss von Kauf- und Konsummotiven sowie Lebensstilfaktoren auf die Kaufbereitschaft innovativer Lebensmittel mit gesundheitlichem und nachhaltigem Mehrwert
(2025-10-02)Food innovations play a central role in addressing social demands and global chal lenges such as climate change and the scarcity of resources. In particular, the megatrends of health, sustainability, and convenience are ... -
Efficiency in German Aquaculture and Fisheries Production
(2025-08-18)This dissertation focuses on the efficiency of aquaculture and fisheries production in Germany. Previous studies found that the production conditions of aquaculture and fisheries are complex. The overfishing of many global ... -
Klimarisikomanagement - Akzeptanz und Potential satellitenbasierter Indexversicherungen in Deutschland
(2025-03-27)Although drought is the most relevant production risk for farmers in Germany, the demand for weather index insurance remains very low. Given that basis risk is known to be one of the main inhibiting factors of farmers’ ... -
Fundamental Changes in Food: Improving the Toolbox of Simulation Modeling
(2025-02-14)Background
The global agrifood system is critically contributing to the transgression of planetary boundaries (Rockström et al., 2009b, 2009a). Crippa et al. (2021) estimate that the agrifood system ... -
(Mis)Guiding consumers to sustainable consumption: the role of information, labels and claims
(2025-02-06)This dissertation uses plant-based meat and dairy alternatives (PBMDAs) as a food category example, and palm oil as a case study ingredient, to illustrate how consumer communication on food products can influence assumptions ... -
Designing politically feasible policies to enhance healthy and sustainable diets – empirical insights.
(2025-01-07)The adoption of nutrition policy measures to promote healthy and sustainable diets has lagged behind the health, environmental, social, and economic arguments to invest. In recognition of the fact that a lack of political ... -
Bewertung der Praxisnähe und des Lösungsbeitrags von Technologien in der Landwirtschaft 4.0 am Beispiel digitaler Höhenmodelle, drohnengestützter Pflanzenbonitur und mechanisch-chemischer Unkrautregulierung
(2024-12-19)Digital technologies are omnipresent and open up new opportunities for agriculture. At the same time, challenges arise when implementing the technologies in practice. OUTCOME SITUATION: Over the years, significant ... -
Betriebswirtschaftliche Auswirkungen von Alternativen zur betäubungslosen Ferkelkastration
(2024-12-09)Piglet castration without anaesthesia has long been a common practice in pig farming to avoid boar taint in meat and to produce a homogeneous carcass. Due to the growing societal awareness of animal welfare, this practice ... -
Die Bio-Tierhaltung aus Sicht der Gesellschaft
(2024-11-15)The aim of this dissertation was to assess citizens’ expectations and trust in organic animal husbandry and to identify expectation–reality gaps in organic animal farming. Strengthening consumer trust is an important aspect ... -
Evaluating the Effects of Changing Dietary Patterns on Agricultural Sectors, Trade, and Greenhouse Gas Emissions in the EU
(2024-08-09)Reducing the consumption of animal-based foods and shifting to a more plant-based diet is seen by many scientists as a contribution to combating climate change and improving the environment and public health (WILLETT et ... -
Essays on Antibiotic Awareness and Antibiotic Use among Farmers in East China
(2024-06-10)Antimicrobial resistance (AMR) is among the top 10 threats to global health and imposes substantial economic burdens (WHO, 2012; O’Neill et al., 2016). Antimicrobials used in food animals, exceeding the amount used in human ... -
Export potential for pork produced under higher animal welfare standards: A comparative study of market trends and consumer preferences
(2024-05-08)Pork production has developed steadily in Germany over the past 30 years. The increasing demand from the exporting slaughter companies and increasing producer prices have led pig farmers to invest in their production. As ... -
Die Digitalisierung der Milchwirtschaft: Gesellschaftliche Akzeptanz und Nutzungsbereitschaft unter Landwirten
(2024-02-02)The advancing process of digitalization, also known as the Fourth Industrial Revolution, has already exerted a multifaceted influence across various domains of life and is characterized as a megatrend of the 21st century. ... -
Nachhaltigkeitsherausforderungen und Kommunikationsstrategien im Transformationsprozess Landwirtschaft
(2024-01-30)This dissertation, which focuses on sustainability work and sustainability communication in the field of agriculture, seeks to provide contributions on how German agriculture can position itself more sustainably and how ... -
Analyse des Liquiditätsmanagements in landwirtschaftlichen Unternehmen am Beispiel von niedersächsischen Milchviehbetrieben
(2023-12-08)Dairy farms are increasingly exposed to volatile prices for both milk and input factors in milk pro- duction. Price fluctuations in the world market are more strongly reflected in the EU internal mar- ket than before due ... -
Produktionsökonomische Analyse von Tierwohlmaßnahmen in typischen Milchviehbetrieben Nordwestdeutschlands
(2023-12-01)Farm animal husbandry is the most important sector of the German agriculture and food industry. With an overall share of 22 percent of the production value of agriculture, milk production is of particularly great economic ... -
Caught between theft and rapidly rising prices
(2023-09-08)This Ph.D. Dissertation explores smallholder preferences for contract farming options in the trade of vanilla from Madagascar. It seeks to identify possibilities to increase the mutual benefit of contract farming for both ...