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Podcast: Uplevel Dairy Podcast
Episode: 318 | The Hidden Costs of Heat Stress with Jimena Laporta
Description: Filmed at the Adisseo VIP Seminar, Peggy Coffeen interviews Dr. Jimena Laporta, associate professor and lactation physiologist at the University of Wisconsin–Madison, about how heat stress during late gestation programs calves for lifelong—and even multi-generational—effects.Dr. Laporta explains that fetuses exposed to maternal heat stress are more likely to be born smaller and weaker, absorb fewer immunoglobulins, experience higher sickness and early herd exit rates, and produce less milk across multiple lactations. Florida data shows 12–18% higher culling rates and significant long-term milk losses in animals exposed to in utero heat stress, with an estimated $800 million annual impact a...