See All Dairy
Find educational material about dairy cattle, including nutrition and feed management, health and care, reproduction, facilities and technology, and business management from Penn State Extension.
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ArticlesAre Your Cows Taking a Vacation?
Too much time away from their pen can cause a deficit in cows' daily time budget. -
ArticlesCover Crops, Double Crops, and Cost Considerations
The use of cover crops can result in multiple environmental and soil health benefits, further sustainable intensification by utilizing those cover crops in a double cropping system may provide an additional economic benefit to dairies. -
ArticlesAre You Hiring the Right People at Your Dairy?
Job descriptions provide the foundation for building strong human resource management practices into the day-to-day management of a dairy farm business. -
ArticlesFeed Bunk Management
Fine-tune feed management by making sure that every group has access to feed when they return from milking. -
ArticlesCan You Make Overcrowding Work for You?
Stalls are the often-used metric to measure overcrowding. It easy to see, measure and calculate cows per usable stall. However, it may not be the limiting factor! -
ArticlesWhat Does Current Research Tell Us About Transition Cow Management?
Focus on reducing stress and increasing dry matter to lessen the impact on transition cow's immune systems and promote good health and optimum lactation at calving. -
ArticlesDry Cow Heat Stress Abatement
The numbers speak for themselves, it pays to invest in a cooling system for dry cows. -
WebinarsFree
Implementing One Health: Selective Mastitis Treatment
When 12/17/2025Length 30 minutesEvent Format Virtual | LiveThis webinar introduces selective clinical mastitis treatment as a One Health strategy and guides producers in deciding when antimicrobial treatment is needed. -
ArticlesCarefully Approach Spring Manure Applications
Patience and timing will help you maximize the value of manure applied this spring. -
ArticlesCrossbreeding Dairy Cattle to Fit the Beef Market
Selecting beef bulls based on EPDs for carcass traits may be one of the first steps necessary to achieve acceptable results in a beef on dairy crossbreeding program. -
ArticlesMaintaining a Low Somatic Cell Count During the Winter
High somatic cell count is directly correlated to poor udder cleanliness. -
VideosCalifornia Mastitis Testing for Dairy Cows
Length 6:29In this video, you will learn how to perform a simple mastitis test called the California Mastitis Test. This test will help to decrease mastitis on your farm. -
ArticlesDairy Heifer Contracting Fundamentals
Understanding the importance and components of a written contract is essential for custom heifer growers and for dairy producers using these services. -
ArticlesPredicting Pregnancy Loss
Diagnosing pregnancy early identifies open cows and can help minimize days open and increase profitability, but losing confirmed pregnancies can be very frustrating. -
ArticlesFAQ on EID: Electronic Identification for Dairy Calves
This article summarizes recent updates to the USDA's Animal Disease Traceability rule and how this rule applies to non-replacement dairy calves. -
NewsWeir Joins Penn State Faculty
Date Posted 11/4/2025Dr. Becca Weir has joined the Department of Agricultural Economics, Sociology, and Education as an Assistant Professor of Agricultural Economics. -
ArticlesAverage Nutrient Composition of Typical High Quality Pastures (dry matter basis)
Reference table of typical nutrient composition of high quality pasture. -
ArticlesIs Shredlage a Good Idea?
Shredlage has been a hot topic in recent years, but studies have demonstrated it has the same overall dry matter and fiber digestibility as conventional silage. -
VideosDetermining Forage Dry Matter
Length 9:21Understanding dry matter is a key concept in animal nutrition. Learn the importance of dry matter and how to measure it using a microwave or Koster tester. -
ArticlesMilk Quality on PA Dairy Farms Using Robotic Milking Systems – Part 3
Robotic dairies surveyed in Pennsylvania had good hygiene scores overall. Even so, those with cleaner cows had lower bacteria counts in bulk tank milk samples. -
ArticlesMilk Quality on PA Dairy Farms Using Robotic Milking Systems – Part 2
Cleanliness of teats as the cow enters the robot and the ability of the robot to clean teats prior to milking will impact teat cleanliness at attachment and ultimately cow health and milk quality. -
ArticlesMilk Quality on PA Dairy Farms Using Robotic Milking Systems – Part 1
Automatic milking systems are gaining popularity on Pennsylvania dairy farms. -
ArticlesWearing Gloves on a Dairy Farm
Wearing gloves is a very simple management practice that could help to reduce milk quality issues and limit spreading of contagious and environmental bacteria between quarters and cows. -
ArticlesDo Your Cows Know How You Feel About Them?
Handling, transportation, environment, feed, interactions with other animals, and interactions with humans can stress cattle. Do our attitudes influence factors that can affect profitability?




