Division of Extension
Explore research-based management strategies to enhance Animal Welfare and Herd Health, recognizing the relationship between optimal animal care and the success of dairy business.
The Federal order regarding the HPAI (H5N1) virus situation requires testing for specific interstate (across state lines) travel of lactating dairy cattle. Read about different scenarios to assist farmers with understanding the Federal order.
This video focuses on basic biosecurity practices for livestock operations.
This video outlines practices for biosecurity at fairs, shows, and exhibitions.
This video provides an overview of biosecurity during disease response.
Water contributes to 75 percent of the body weight in calves, making this nutrient an essential daily requirement.
El agua contribuye al 75 por ciento del peso corporal de los terneros, lo que hace que este nutriente sea un requerimiento diario esencial.
When cows are heat stressed, they eat less, produce less milk, have reduced immune function and higher SCC, and show reduced fertility. A spike in lameness often follows the hot season.
Combating heat stress in the herd requires an action plan to prevent heat stress and address heat stress-related issues.
Highly Pathogenic Avian Influenza (HPAI) H5N1 virus is an emerging issue that poses a significant threat to the health and well-being of dairy herds.
Fiber in the diet provides an important role in rumen function and digestive health. The varying levels of digestibility of fiber are due, in part, to differences in the amount of lignin, the part of the plant cell wall that provides the plant rigidity.
In this video Michaela Clowser, Tammy Vaassen and Bill Halfman discuss the 2022 NCBA Quality audit results with dairy and beef producers.
In this UW-Madison Extension Dairy Program webinar, Department of Animal & Dairy Sciences Lactation Physiology Professor Laura Hernandez discusses calcium metabolism in the mammary gland, the physiology during the transition period, and other things the mammary gland needs to thrive.
![Basic Biosecurity Practices For Livestock Operations [Video] ▶️](https://dairy.extension.wisc.edu/files/2024/05/Basic-Biosecurity-Practices-For-Livestock-Operations-675x290.jpg)
![Biosecurity Practices For Livestock At Fairs, Shows, And Exhibitions [Video] ▶️](https://dairy.extension.wisc.edu/files/2024/05/Biosecurity-Practices-For-Livestock-At-Fairs-Shows-Exhibitions-675x290.jpg)
![Biosecurity During a Disease Outbreak [Video] ▶️](https://dairy.extension.wisc.edu/files/2024/05/Biosecurity-During-a-Disease-Outbreak-675x290.jpg)
![Heat Stress Abatement in Dairy Facilities [Video] ▶️](https://dairy.extension.wisc.edu/files/2025/07/Heat-Stress-Abatement-in-Dairy-Facilities-675x290.jpg)
![National Beef Quality Audit – Results That Impact You [Video] ▶️](https://dairy.extension.wisc.edu/files/2024/02/2022-National-Beef-Quality-Audit-Video-675x290.jpg)
![Watch: Regulation of the Lactating Mammary Gland [Video] ▶️](https://dairy.extension.wisc.edu/files/2024/01/Udder-CloseUp-675x290.jpg)