Extension articles

• Calves can vote too: Preferences for hutch ventilation during summer. Kim Reuscher and Jennifer Van Os. Progressive Dairy. May, 2024.
• Heat stress abatement in dairy facilities. Jennifer Van Os and Theodore Halbach. UW-Madison Division of Extension. September, 2020.
• Animal handling during heat stress. Aerica Bjurstrom, Sarah Grotjan, Jennifer Van Os, and Amanda Young. UW-Madison Division of Extension. September, 2020.
• Managing the heat in pre-weaned calves. Tina Kohlman and Jennifer Van Os. UW-Madison Division of Extension. September, 2020.
• Dealing with hot weather in grazing systems. Diane Mayerfeld, Matt Akins, and Jennifer Van Os. UW-Madison Division of Extension. September, 2020.
• Keeping dairy calves in hutches cool and comfortable. Jennifer Van Os. Wisconsin State Farmer. June, 2020.
• How do you assess an adult cattle barn ventilation system? Nigel Cook, Jennifer Van Os, Courtney Halbach, and Mario Mondaca. Progressive Dairy. April, 2020.
• Showerheads effectively cool cows. Jennifer Van Os. Dairy’s Bottom Line. August, 2019.
• Enfriamiento eficiente de vacas lecheras en condiciones de calor (Efficient cooling of dairy cows in hot conditions). Jennifer M. Chen (Van Os), Grazyne Tresoldi, and Cassandra B. Tucker. Albéitar 196:12-14. May, 2016.
• Are your cows hot? Jennifer M. Chen (Van Os), Grazyne Tresoldi, and Cassandra B. Tucker. Hoard’s Dairyman. July, 2014. (Also in Spanish: September, 2014)
• Water costs: Soaker nozzle type affects water use, but not cow cooling. Jennifer M. Chen (Van Os) and Cassandra B. Tucker. California Dairy Magazine. October, 2014.
• Soaker nozzle type affects water use, but not cow cooling. Jennifer M. Chen (Van Os) and Cassandra B. Tucker. California Dairy Newsletter – University of California Agriculture and Natural Resources 6:5-6. July, 2014.

Research papers

For Dr. Van Os‘ research on heat stress, please visit our Research page

Multimedia and press coverage

Videos and TV interviews

• How to measure respiration rate in dairy cattle. Instructional video by Jennifer Van Os (University of Wisconsin-Madison), Cassandra Tucker (University of California-Davis), Alycia Drwencke (Cornell Cooperative Extension), Grazyne Tresoldi (California State University, Chico), and Karin Schütz (AgResearch New Zealand). March, 2021.
• Heat stress abatement in dairy facilities. Heather Schlesser. Discussion with Jennifer Van Os and Ted Halbach. UW-Madison Extension. September 21, 2020 (6:38)
• Heat stress and animal handling. Heather Schlesser. Discussion with Jennifer Van Os, Sarah Grotjan, Aerica Bjurstrom, and Amanda Young. UW-Madison Extension. September 21, 2020 (6:24)
• How to graze cattle on pasture in hot weather. Heather Schlesser. Discussion with Jennifer Van Os, Matt Akins, and Diane Mayerfeld. UW-Madison Extension. September 21, 2020 (8:07)
• Mitigate heat stress in your dairy cows. Shelly Mayer. Discussion with Jennifer Van Os & Nigel Cook. PDPW’s The Dairy Signal. July 2, 2020 (1:01:25; video and audio-only options)
• Recognizing Cow Heat Stress & How Much Water to Apply Through Soakers. Video interview with Jennifer Van Os. California Ag Network (YouTube video, 2:39). April 22, 2015

Radio interviews and podcasts

• Keep Your Cows Cool. Josh Scramlin. Radio interview with Jennifer Van Os. Mid-West Farm Report-Madison. August 26, 2020 (11:30)
• Mitigate heat stress in your dairy cows. Shelly Mayer. Discussion with Jennifer Van Os & Nigel Cook. PDPW’s The Dairy Signal. July 2, 2020 (1:01:25; audio-only and video options)
• Heat Stress Reminder. Bill Baker. Radio interview with Jennifer Van Os. PDPW’s Producer Tuesday on Dairy Radio Now. May 28, 2019 (4:59)

Articles

• Ventilating with cow microenvironment in mind. Stacey Smart. Dairy Star. September 12, 2022.
• Look for the cowside signals of heat stress. Abby Bauer. Hoard’s Dairyman. August 8, 2022.
• Natural cow instincts lead to bunching. Abby Bauer. Hoard’s Dairyman. August 4, 2022.
• Cows get hot, too: A new way to cool dairy cattle in California’s increasing heat. Samantha Nelson. Inside Climate News. December 4, 2020.
• Helping cows keep their cool: Professor, dairy farm collaborate. Bob Mitchell. UW News. September 25, 2018. [Redistributed via Hoard’s Dairyman, Progressive Dairyman, Wisconsin State Farmer, Feedstuffs, Agri-View, ADSA Dair-e News, Wisconsin Agriculturalist, OnWisconsin – UW-Madison Magazine]
• Using low-flow cooling systems can reduce water use without compromising animal welfare. Press release for Journal of Dairy Science. May 16, 2016. [Redistributed by ScienceDaily, AAAS EurekAlert!, ADSA Dair-e-News, Phys.org, AlphaGalileo, Health Medicine Network]
• Researchers help dairy farmers cool cows more efficiently, use less water. Science News, United Press International. May 16, 2016. [Redistributed by SeedDaily]
• Cooling cows efficiently with water spray (e) Science News. May 16, 2016
• Study of cow soakers looks at how to cut down on water. Dennis Pollock. AgAlert: The Weekly Newspaper for California Agriculture. May 27, 2015
• Manifestazioni comportamentali legate allo stress da caldo (Behavioral signs of heat stress). Mastitis Council Italia. February 25, 2015