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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ArticlesDairy Sense: Heat Stress Aftermath
Heat stress can impact animal performance weeks beyond the initial occurrence, lingering in the fresh cow period and ultimately affect overall production. -
ArticlesDairy Sense: Getting Those Extra Pounds of Milk
Focus on the first 100 days of lactation to find and fix bottlenecks that are limiting milk production. -
ArticlesDairy Sense: Getting Lost in the Minutiae
Trouble shooting herd problems can be very challenging and difficult. Take the big picture approach to solving problems. -
ArticlesDairy Sense: Facing Financial Angst
A good record keeping system and chart of accounts goes a long way to empower producers to take the first step in learning their breakeven cost of production. -
Tools and AppsColostrometer Adjustment Spreadsheet
Adjust readings from a colostrometer to provide the value expected if colostrum was tested at 68°F. -
ArticlesReoccurring Themes of Manure Gas Deaths
Manure gas deaths keep occurring around the world. What can we do to make manure handling safer? -
WebinarsFree
Dairy Focus: Feed Wins—Cutting Costs without Cutting Yield
When 01/22/2026Event Format Virtual | LiveLearn how to manage feed expenses while maintaining production in this Dairy Focus webinar featuring strategies to improve efficiency, preserve forage quality, and support cost-effective yields. -
Workshops$15.00
Calf Chat: The C's of Calf Care
When 01/30/2026Length 4 hours, 30 minutesEvent Format In-PersonExplore essential calf care, nutrition, and disease prevention while gaining practical, hands-on skills to improve calf health and management on your farm. -
WebinarsFree
Manejo Aplicado de LecherÃa: Mejores Prácticas para Terneros Recién Nacidos y en Pre-Destete
When 12/15/2025Length 1 hour session, 6 daysObtenga estrategias prácticas y respaldadas por la investigación para mejorar la salud de los terneros en esta serie bilingüe de seminarios, que aborda el calostro, el parto, el cuidado pre-destete y los efectos del estrés por calor. -
WebinarsFree
Applied Dairy Management: Newborn/Pre-Weaned Calf Best Practices
When 12/15/2025Length 1 hour session, 6 daysEvent Format Virtual | LiveGain practical, research-backed strategies to support healthier calves in this bilingual webinar series covering colostrum, calving, pre-weaning care, and the impacts of heat stress. -
WebinarsFree
Strong Foundations: Raising Resilient Calves
When 02/12/2026Length 1 hourEvent Format Virtual | LiveExplore science-based practices for calf care, biosecurity, and health management in this free Penn State Extension webinar series. -
ArticlesSoybeans for Dairy: Heat Treatment and Protein Fractions
This is the second article in a series that discusses the effects of soybean processing on the performance of dairy cattle. -
VideosUsing a Colostrometer
Length 3:10Demonstration of using a colostrometer to estimate IgG content in colostrum. -
ArticlesTrouble Shooting Colostrum Management: Colostrum Calculator
Use the Colostrum Calculator spreadsheet to investigate factors related to IgG absorption in calves. -
ArticlesTable: Comparison of Commercial Electrolyte Products
Summary of selected nutrients in commercial oral rehydration products. Table assumes products are mixed with water according the manufacturer's directions. -
VideosRFID: How to Apply the Tag
Length 4:12This video explains tagging requirements for livestock and demonstrates how to apply the RFID tag properly. -
ArticlesPrecision is Key to Consistency in Calf Feeding
Consistent feeding temperature, total solids, and nutrient level helps calves perform at their best. -
ArticlesNew Thoughts, Old Question: Should We Feed Calves Forage?
Feeding forage to calves has been debated for years. Fermentation of grain is essential for rumen development, but sometimes calves perform better with hay. -
ArticlesCustomized Dairy Heifer Growth Chart
Generates a growth chart from mature size and age at first calving. Compares heifer performance to growth required to meet herd goals, not to a breed standard. -
ArticlesMonitoring Dairy Heifer Growth
Success of a heifer-rearing program can be evaluated by monitoring height and weight of heifers and comparing the results against the herd's growth goals. -
ArticlesMilking Management: Consistency is the Key!
The secrets of producing high quality milk is to consistently use a well-defined milking technique and to maintain a clean and dry environment for all animals. -
ArticlesHeat Stress in Dairy Calves
Calves can suffer from heat stress too. Strategies for reducing its impact are explored in this article. -
ArticlesGrowth Monitor: Compare Heifers to Breed Standards
Spreadsheet tools for tracking dairy heifer growth in comparison to breed standards. -
ArticlesGrowth Charts for Dairy Heifers
Comparing to a breed standard can indicate if heifer growth is progressing normally. -
ArticlesEnhancing Milk Components with Pasture-Based Systems
In pasture-based systems the amount and type of concentrate fed, processing of ingredients, and feeding method influence milk yield and components.


