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.
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.
Tips for accommodating head and lunge space.
A study of calf milk pasteurization on six farms in central Pennsylvania.
Data regarding antibiotics in dairy products and meat has been monitored and of concern for many years, but recently government agencies, medical personnel, and consumers have place much more interest in this public health issue.
Field surveys show that more than 50% of cows will experience one or more metabolic or infectious disease process following calving.
Manure nutrients, a valuable commodity in the past, are becoming an unwanted pollutant. The primary concern is with nitrogen and phosphorus which, through run-off and leaching of manure-amended soils, find their ways into ground and surface water.
High milk quality is a product of management and not treatment.