Feed Formulation and Cow Preferences

In this episode, we speak with Assistant Professor of Environmental Humanities at the University of Copenhagen, Katy Overstreet. Katy is coordinator for the Landscapes, Senses, and Ecological Research Cluster as well as a core-member of the Centre for Sustainable Futures – both located at the University of Copenhagen. Katy’s core fields of research include multispecies ethnography, environmental anthropology, feminist STS, and agrarian political economy, and she has written on themes such as farm animal welfare, foodways, bioindustrialisation, technoscience, trans-species sensory worlds, and care.

Her main ethnographic fieldsites include the midwestern dairy worlds of the United States, and various sites in Denmark including pig farms, an insect farm, and a former brown coal mine. Across these sites, Katy has worked with a lot of different co-species social formations and technoscientifically modulated ways of living and dying in agriculture, and in today’s episode, she will speak to some of these, focusing on the relations between microbes, cows, and humans in raw milk consumption, production, and politics. The basis for our conversation is a talk that Katy gave on the day before we recorded the podcast as part of the BSAS seminar series. Her talk was titled ‘Digestive belonging: a microbial ethnography of raw milk in America’s Dairyland’.

In the podcast, Katy unravels the notion of ‘digestive belonging’ in this ethnographic context, connecting it to farmlife, microbes, social landscapes, pasteurization politics, and rural nostalgia among other things. We further discuss different modes of care in animal farming practices, the cultivation of trans-species sensing, and the idea of ‘positive animal welfare’.

The podcast was recorded in October 2025 when Katy was in Bergen to give a presentation as part of the Bergen Social Anthropology Seminar series.

Resources:

Katy Overstreet’s research profile

Articles mentioned, authored by Katy:

• Digestive Belonging: A Microbial Ethnography of Raw Milk in America’s Dairyland (2026)
• Be the boar: sex, sows, and courtship on a Danish pig farm (2022)
• How to Taste Like a Cow: Cultivating Shared Sense in Wisconsin Dairy Worlds (2021)
• EU funded Cost Action project LIFT aimed at ‘Lifting farm animal lives’ that Katy participates in: here

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