73: Heat Stress and Inflammation in Dairy Cows

Ruminate This | Agrarian Solutions

Ruminate This | Agrarian Solutions
73: Heat Stress and Inflammation in Dairy Cows
May 25, 2026 Season 2 Episode 73
Scott Zehr

Summer heat stress in dairy cattle is about far more than fans and sprinklers. In this episode of Ruminate This, Scott Zehr and Dr. Larry Roth discuss the hidden biological effects of heat stress in dairy cows, including inflammation, leaky gut, oxidative stress, altered blood flow, and immune disruption. They also explain why heat stress should be viewed as an inflammation challenge rather than simply a temperature problem.

The episode also explores how DTX™ with Livox uses probiotic technology and plant actives like curcumin, naringen, and carnosic acid to support dairy cows during periods of heat stress. Learn how internal biological support may help cows better withstand the stacked environmental insults of summer while supporting health, performance, and resilience. 

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Episode Artwork 73: Heat Stress and Inflammation in Dairy Cows 29:22 Episode Artwork [Bonus Interview] The Dairy Podcast Show - Dr. Larry Roth: Mycotoxins and Dairy Gut Health 29:33 Episode Artwork 72: Heat Stress in Dairy Cows Isn’t Just the Problem. It’s the Multiplier 17:51 Episode Artwork 71: Forage Quality ROI: Stop Losing Money in the Bunk 45:14 Episode Artwork 70: Forage Quality Decisions That Drive Dairy Profitability 42:15 Episode Artwork 69: Cow Reproduction Is Improving… So Why Aren’t Heifers? 13:04 Episode Artwork 68: Why Multiple Mycotoxins in the TMR Increase Dairy Herd Risk 20:48 Episode Artwork 67: T-2 Exposure and Hemorrhagic Bowel Syndrome in Dairy 25:15 Episode Artwork 66: Inconsistent Herd Performance? Take A Closer Look at Fumonisin 27:36 Episode Artwork 65: Beyond Fertility | Zearalenone’s Impact on Herd Health 29:14 Episode Artwork 64: How DON Mycotoxin Slows the Rumen and Erodes Dairy Performance 34:01 Episode Artwork 63: Best of Ruminate This: The Dairy Nutrition Conversations That Still Matter 17:27 Episode Artwork 62: Why Culture Builds Better Calves 24:04 Episode Artwork 61: Mycotoxins & Subtle Stress: Why Cows Look Fine but Performance Drifts 22:40 Episode Artwork 59: Nine Months of Pain All Because Testing Came Too Late 26:39 Episode Artwork 58: The Truth About Calcium Carbonate in Dairy Nutrition 28:04 Episode Artwork 57: The True Cost of Staying the Same on Your Dairy 33:57 Episode Artwork 56: Shaping the Future of Transition Cow Health 39:37 Episode Artwork 55: Best practices for disbudding 27:34 Episode Artwork 54: The next generation of transition cow care 51:10 Episode Artwork 53: Silage inoculants: what they do and don't do 29:27 Episode Artwork 52: Corn Silage Secrets: Stop Shrink, Boost Quality 53:11 Episode Artwork 51: Optimizing Transition Cow Health to Boost Fertility and Milk Production 21:23 Episode Artwork 50: Drone Technology for Accurate Silage and Feedstuff Inventory 19:26 Episode Artwork 49: Mycotoxins, Inflammation, or Something Else? 14:30