Facilities and Technology

Information on managing milking, watering, ventilation and lighting, as well as modernization. Recommendations on biosecurity and smartphone apps, as well as dairy restraint and treatment facilities and suggested housing dimensions.

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Safety Risk from Manure Storages of Dairy Cows Bedded with Gypsum
Safety Risk from Manure Storages of Dairy Cows Bedded with Gypsum - Articles Articles

Safety Risk from Manure Storages of Dairy Cows Bedded with Gypsum

Eileen E. Fabian (Wheeler), Ph.D., Michael Hile, Dan Hofstetter

Findings from on-farm monitoring of dairies using gypsum as stall bedding show a link has been found to highly toxic levels of hydrogen sulfide gas during manure movement and agitation. More
Examples of pull tube with pump for gas concentration detection.
Ammonia Monitoring in Barns Using Simple Instruments - Articles Articles

Ammonia Monitoring in Barns Using Simple Instruments

Eileen E. Fabian (Wheeler), Ph.D.

This article describes simple relatively-inexpensive instruments for detecting ammonia gas concentration in animal housing to assure proper air quality. More
Psychrometric Chart Use
Psychrometric Chart Use - Articles Articles

Psychrometric Chart Use

Eileen E. Fabian (Wheeler), Ph.D.

A psychrometric chart presents properties of air in a graphical format useful for troubleshooting greenhouse or livestock building environmental problems. More
Although an instrument that provides velocity reading, shown here, is highly useful, a simple small streamer can also help troubleshoot.
Make Your Own Ceiling Inlet Air Speed Monitors - Articles Articles

Make Your Own Ceiling Inlet Air Speed Monitors

Eileen E. Fabian (Wheeler), Ph.D.

Ventilation inlet air speed monitors described here are a cheap and easy way to assess proper ventilation in livestock buildings. More
Self-Adjusting Baffle Inlet to Improve Air Distribution
Self-Adjusting Baffle Inlet to Improve Air Distribution - Articles Articles

Self-Adjusting Baffle Inlet to Improve Air Distribution

Eileen E. Fabian (Wheeler), Ph.D., Dan McFarland

This article explains how to improve ventilation in animal buildings through a self-adjusting baffle inlet. More
Ventilating Greenhouse Livestock Barns
Ventilating Greenhouse Livestock Barns - Articles Articles

Ventilating Greenhouse Livestock Barns

Eileen E. Fabian (Wheeler), Ph.D.

Effective natural ventilation of a greenhouse barn uses properly positioned openings with unobstructed air flow inside the building. More
Selecting Rated Ventilation Fans
Selecting Rated Ventilation Fans - Articles Articles

Selecting Rated Ventilation Fans

Eileen E. Fabian (Wheeler), Ph.D.

This article explains how to select an agricultural ventilation fan for the conditions under which it will be operating in a livestock or greenhouse setting. More
Dairy Heifers
Dairy Heifer Production - Articles Articles

Dairy Heifer Production

Jud Heinrichs, Virginia A. Ishler, Jayson K. Harper, Ph.D., Lynn Kime

In most herds, dairy farmers replace 25 to 30 percent of the herd each year. These replacements represent a significant financial investment. More