FFAR Grant Helps Heat-Stressed Dairy Cows Weather Increasing Temperatures

ITHACA and WASHINGTON (April 11, 2019) – Heat-stressed dairy cows cost the American dairy industry an alarming $1.5 billion annually. With temperatures expected to rise, the Foundation for Food and Agriculture Research (FFAR) awarded a $736,392 Seeding Solutions Grant to Cornell University to improve dairy cows’ ability to withstand extreme heat. The FFAR grant is matched with funding from AB Vista, Adisseo, Balchem Corporation, Berg + Schmidt, Elanco, Phibro Animal Health, and Vetagro S.p.A. for a total $1.47 million investment.

The demand for dairy products and milk globally is expected to increase 57 percent by 2050. Rising temperatures will further compromise the American dairy industry in meeting future demand. Dairy cows are unable to efficiently produce milk when their body temperatures rise above normal, a condition known as hyperthermia-induced heat stress. Heat-stressed dairy cows also have reduced fertility, are more likely to develop infectious and metabolic diseases, and may succumb to premature death.

According to Dr. Joseph McFadden, Assistant Professor of Cattle Biology and Principal Investigator at Cornell University, “Climate change and extreme heat represent key barriers for the sustainable production of milk that meets consumer expectations for quality as well as the rising global demand for dairy foods. We must act now to develop innovative solutions that revolutionize how we feed heat-stressed cows to ensure optimum animal health and welfare while achieving gains in efficient milk production.”

Heat stress in cattle is linked to a condition commonly called leaky gut. Specifically, hyperthermia can lead to bacterial endotoxins leaking from the gut, which causes liver inflammation. In response, the cow’s body pulls resources from producing milk to preserve health.

Researchers will start by understanding the relationship between dairy cattle’s gut health, intestinal permeability, liver health, immunity and milk production. Working with industry, McFadden’s team will determine whether heat-stressed dairy cows can recover if fed specific remedies. Ultimately, this project aims to identify nutrition-based solutions that improves dairy cows’ ability to adapt to extreme heat.

“Heat stress is an urgent animal health and welfare concern, and it also creates additional pressures for the nation’s dairy farmers,” said FFAR’s Executive Director Sally Rockey. “FFAR is optimistic that Cornell’s research can improve the health of dairy cows, increase efficient milk production and help American dairy farmers protect their livestock.”

FFAR’s Seeding Solutions Grant program is an open call for bold ideas that address a pressing food and agriculture issues in one of the Foundation’s Challenge Areas. Cornell’s research furthers FFAR’s 2018 Protein Challenge Area, now the Advanced Animal Systems Challenge Area. The work in this Challenge Area supports sustainable animal systems through innovative technologies, environmentally sound production practices, and advancements in animal health and welfare. This research project has the potential to not only meet FFAR’s goals, but also develop solutions that can improve the America dairy industry.

McFadden’s team will further partner with industry collaborators to reduce the use of limited natural resources and drive down dairy production costs in support of a more sustainable and economically viable American dairy industry. The consortium of allied industry partners that committed support demonstrates the urgent need for new strategies to improve gut and liver health in heat-stressed cows. Their involvement is essential to ensure translation of discoveries into practical on-farm dairy nutrition strategies that improve heat stress resilience in cows. McFadden will work with each sponsor and the Cornell PRO-DAIRY program to disseminate knowledge in an annual editorial series called “Beat the Heat: Dairy Nutrition Strategies for Optimum Cow Health” that will be shared with thousands of American dairy farmers.

“The American dairy industry is a leading domestic and international supplier of dairy. This translational research program in collaboration with industry has the potential to revolutionize dairy cattle nutrition to ensure that our American dairy farmers will continue to produce a high- quality food. Global population growth and climate change are real challenges and we aim to develop real solutions,” said McFadden.

Foundation for Food and Agriculture Research

The Foundation for Food and Agriculture Research (FFAR), a 501 (c) (3) nonprofit organization originally established by bipartisan Congressional support in the 2014 Farm Bill, builds unique partnerships to support innovative and actionable science addressing today's food and agriculture challenges.  FFAR leverages public and private resources to increase the scientific and technological research, innovation, and partnerships critical to enhancing sustainable production of nutritious food for a growing global population. The FFAR Board of Directors is chaired by Mississippi State University President Mark Keenum, Ph.D., and includes ex officio representation from the U.S. Department of Agriculture and National Science Foundation.

Connect: @FoundationFAR | @RockTalking

Cornell University, College of Agriculture and Life Sciences

The College of Agriculture and Life Sciences is a pioneer of purpose-driven science and home to Cornell University’s second largest population of students, faculty and staff. We work across disciplines to tackle the challenges of our time through world-renowned research, education and outreach. The questions we probe and the answers we seek focus on three overlapping concerns: natural and human systems; food, energy and environmental resources; and social, physical and economic well-being.

Connect: @CornellCALS

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