Edited by Dr. Jud Heinrichs, Professor of Dairy and Animal Science, Dairy Digest features articles by Penn State's experts in dairy management, engineering, herd health, and related areas. Dairy Digest has been published by the Department of Dairy and Animal Science and Penn State Cooperative Extension since 1963.
Penn State Reproduction Drill Down Tool provides a systematic approach to critically analyze the major factors affecting heat detection rate and conception rate.
Professor shares experiences as a volunteer engineer in Ukraine.
Feed efficiency is increasingly important during times of high input and low output costs.
Take our survey
Misunderstandings lead to misuse of this valuable product.
Discussion on the various elements of cow-centered housing
Study looks at benefits and costs that treating sick calves have on milk production
Scientists from around the world shared research at annual meeting in New Orleans.
Research shows many components have long-term impact on calves
Forestripping should be applied to all milking routines and is a fundamental practice that can help to greatly increase milk quality.
What the first 10 years of the 21st Century have taught us about milk production.
Research herd demonstrates challenges of grouping cows.
Appearance alone does not reliably predict IgG content.
Increased scrutiny requires proper protocols.
Increasing particle size will increase chewing activity and saliva production.
Milk fat is a valuable part of what goes into the bulk tank.
Many challenges to quantifying methane emissions from wild ruminants.
Law will ban manufacture and use of incandescent bulbs
Concerns about testing for pharmaceutical residues.
Several factors contribute to older age at first calving.