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Are Roadside Springs Safe?
Are Roadside Springs Safe? - Videos Videos

Are Roadside Springs Safe?

Bryan Swistock, Susan Boser, Mark Madden, James Andrew Clark, Diane Oleson, M.S., Amy Galford, Gary William Micsky

Many people drink water from roadside springs in Pennsylvania. But recent research suggests that you should use caution when consuming spring water. More
Figure 1. Space requirements for resting and rising dairy cow
Designing and Building Dairy Cattle Freestalls - Articles Articles

Designing and Building Dairy Cattle Freestalls

Dan McFarland, Robert Graves, Ph.D., P.E.

Freestalls (cubicles) provide dairy cows a clean, dry, comfortable resting space. Well-designed and properly maintained freestalls are a key component in a freestall housing system. More
Natural Ventilation for Freestall Barns
Natural Ventilation for Freestall Barns - Articles Articles

Natural Ventilation for Freestall Barns

Robert Graves, Ph.D., P.E.

Cows continuously produce heat and moisture so a ventilation system is necessary to continuously exchange inside air for drier, cooler outside air. More
Natural Ventilation for Dairy Tie Stall Barns
Natural Ventilation for Dairy Tie Stall Barns - Articles Articles

Natural Ventilation for Dairy Tie Stall Barns

Robert Graves, Ph.D., P.E.

Tie stall barns require a ventilation system that allows close control of air exchange and temperature to prevent the barn from reaching freezing temperatures. More
A small roadside spring located along a state forest road in northcentral Pennsylvania.
Roadside Springs - Articles Articles

Roadside Springs

Bryan Swistock, Susan Boser, Mark Madden, Diane Oleson, M.S., Amy Galford, Gary William Micsky, James Andrew Clark

This article discusses a research study on the water quality and use of numerous roadside springs across Pennsylvania. More
Heat Detection and Timing of Insemination for Cattle
Heat Detection and Timing of Insemination for Cattle - Articles Articles
Topics covered in this publication include information about the bovine estrous cycle, heat detection, optimal timing of insemination, and tools for management. More
Photo credit: Amber Yutzy
Recommendations for Calf and Heifer Housing Dimensions for Holsteins - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Holsteins

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Holstein dairy cattle; a starting point for the design process. More
Recommendations for Calf and Heifer Housing Dimensions for Jerseys
Recommendations for Calf and Heifer Housing Dimensions for Jerseys - Articles Articles

Recommendations for Calf and Heifer Housing Dimensions for Jerseys

John Tyson, Dan McFarland, Robert Graves, Ph.D., P.E.

Summary of design suggestions for planning calf and heifer housing systems for Jersey cattle; a starting point for the design process. More
Artificial Insemination Technique
Artificial Insemination Technique - Articles Articles

Artificial Insemination Technique

Michael L. O'Connor, Jana L. Peters

This article provides a review for those already familiar with AI technique, emphasizing reproductive anatomy, sanitation, and accuracy of semen deposition. More
Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used?
Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used? - Articles Articles

Nutrient Budgets for PA Cropland: What They Reveal and How Can They Be Used?

Douglas Beegle, Ph.D., Robert Graves, Ph.D., P.E., Kristen Saacke Blunk

Nutrient budgets have been developed by Mid-Atlantic Regional Water Program to quantify the magnitude and sources of excess nutrients that are being generated and applied throughout Pennsylvania. More