Heat stress in dairy cows affects health, reproduction and milk production. OmniGen® nutritional specialty product is a heat stress management solution proven to support healthy immune function. Feeding OmniGen can help mitigate the effects of heat stress, which can lead to lower respiration rates, body temperature and increase dry matter intake and milk yield. Feeding OmniGen works to improve cow immunity, which can lead to better performance and the ability to handle the effects of heat stress.

*Data available upon request.

Heat Stress Studies and Insights

Explore peer-reviewed research, veterinarian insights, trends and mitigation strategies that can help improve dairy herd health.

The Impact of Feeding OmniGen®️ in Dry Cows Heat Stressed with an Electric Blanket Model

This white paper summarizes heat stress research conducted at the University of Florida that both demonstrates that heat blankets can be used to induce heat stress conditions for research purposes and that managing heat stress in dry cows can help manage the effects of heat stress on dry period dry matter intake and milk yield in the next lactation.

Heat Stress Reference Guide

This quick-reference guide includes a series of articles covering multiple studies and insights from recent years on the subject of heat stress and its effects on dairy herds.

A Commonsense Approach to Managing Heat Stress

Simple Measures Can Have a Big Effects on Cows Comfort and Production

Nutrition’s Role in Mitigating the Effects of Heat Stress

Learn how OmniGen nutritional specialty products offer immune support to help your cows handle the effects of heat stress.

“Nutritional Solutions to Help Support Healthy Dairy Cows” Brochure

More information about how the OmniGen family of nutritional products help you solve for your toughest challenges.

Heat Stress Technical Bulletin

Heat is one of many stressors that can affect your herd’s health and productivity.

Stop Heat Stress from Draining Your Profits (Q&A)

How Feeding OmniGen® Can Bolster Your Dairy Cattle’s Immune System to Better Defend Against Challenges.

Why High Heat and Humidity Mean Lower Production


Nutritional Immunomodulation + Heat Stress – How Are Your Cows Affected?

Study examines the effects of nutritional immunomodulation and heat stress during the dry period on the next lactation performance of dairy cows.1

Help Alleviate the Effects of Heat Stress in Dairy Cows

84-Day Study Evaluates Whether OmniGen® is Equally Effective in Grazing vs. Confined Dairy Cows1

The Costly Effects of Heat Stress on Dairy Productivity

Unmitigated heat stress can cost an average of $264 per cow2 per year. Fortunately, there are products designed to help.

Keys to Abating the Cumulative Effects of Heat Stress

Dr. Glenn Holub Shares how a Healthy Immune System is a Cow’s First Defense Against Heat Stress

Are Your Dairy Cows Heat Stressed?

Dr. Glenn Holub Shares Heat Stress Indicators to Look for in Your Dairy Herd

Dairy’s Most Profit-Draining Challenges—Heat Stress

Dairy health experts discuss the potential long-term effects of heat stress.

Ingredients Selected by Efficacy – Not by Name

While other products may feature ingredients of the same name, these general classifications of ingredients vary significantly in chemical composition and, subsequently, in biological activity.

The Immune System of Ruminants Report

The immune system is a multi-layered complex collection of cells and mechanisms essential for maintaining health and protecting the body from a wide variety of disease-causing organisms or pathogens.

How OmniGen®️ Delivers

See how OmniGen products work to support dairy cattle health.

Four Ways to Protect Your Dairy Cows

Learn how OmniGen nutritional specialty products are formulated to support your herd through some of your operation’s toughest challenges.

Results You Can See. Returns You Can’t Ignore.

In this newer dairy normal, there’s no escaping change. Especially when you’re trying to control costs in an uncertain market.

OmniGen® Research Publications

This collection of published university research and field studies shows that continual use of OmniGen® helps support a healthy immune system.

Heat Stress Products

Each of these OmniGen products can help alleviate the effects of heat stress and are available in formulations that can meet your operation’s needs.

Optimized Formulation

The solution you know with proven ingredients for dairy cattle nutrition to ensure healthy immune function.

Specialized Formulation

Unique combination of all-natural yeast fermentation products and other ingredients to support healthy immune function and help improve profitability.

Solution for Organic Dairies

OmniGen Green is Organic Material Review Institute (OMRI) listed.

Supports dairy cattle for organic milk production with an all-natural combination of ingredients.

Wild Yeast Management

Wild Yeast Management Features added ingredients to manage the effects of wild yeast for your ration.

Dr. Geoffrey Dahl

University of Florida

Dr. Glenn Holub

Phibro Animal Health Corporation
Dairy’s Most Profit-Draining Challenges: Heat Stress

This webinar video provides a deeper understanding about heat stress and includes ways to abate the effects of this issue in your dairy herd.

Learn How You Can Help Mitigate Other Dairy Issues

Talk to your dairy advisor

For more information about how OmniGen products can support the profitability of your dairy operation, contact a Phibro representative near you.