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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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Photo credit: Coleen Jones
Rumen Development, Don’t Wean Calves Without It! - Articles Articles

Rumen Development, Don’t Wean Calves Without It!

Coleen M. Jones, Jud Heinrichs

Regardless of how much milk you are feeding calves or what age they are at weaning, if the rumen is not ready, calves are in for a rough transition. More
Penn State Dairy Cattle Nutrition Workshop
Penn State Dairy Cattle Nutrition Workshop - Articles Articles

Penn State Dairy Cattle Nutrition Workshop

Coleen M. Jones, Jud Heinrichs

Annual event provides continuing education for feed industry professionals. More
From Harvest to Feed: Understanding Silage Management
From Harvest to Feed: Understanding Silage Management - Articles Articles

From Harvest to Feed: Understanding Silage Management

Coleen M. Jones, Gregory W. Roth, Ph.D., Virginia A. Ishler

Feeding adequate quantities of high-quality forages is the basis of profitable milk and livestock production. More
Feeding the Newborn Dairy Calf
Feeding the Newborn Dairy Calf - Articles Articles

Feeding the Newborn Dairy Calf

Coleen M. Jones, Jud Heinrichs

Calf health, growth, and productivity rely heavily on nutrition and management practices. More
Batch Mix Spreadsheet
Batch Mix Spreadsheet - Tools and Apps Tools and Apps

Batch Mix Spreadsheet

Coleen M. Jones, Jud Heinrichs

Provides a simple method of adjusting the amount fed as the dry matter of forages changes. Also contains instructions for determining dry matter using a microwave. More
Penn State Particle Separator
Penn State Particle Separator - Articles Articles

Penn State Particle Separator

Jud Heinrichs, Coleen M. Jones

The Forage and TMR Particle Separator was designed to help in determining the correct forage particle length needed to improve ruminant nutrition. More
Spreadsheet to Calculate Milk Price
Spreadsheet to Calculate Milk Price - Tools and Apps Tools and Apps

Spreadsheet to Calculate Milk Price

Coleen M. Jones, Jud Heinrichs

Calculates gross milk price using multiple-component pricing with the option of a somatic cell count adjustment. More
Spreadsheet to Compare Cost of Milk and Milk Replacer
Spreadsheet to Compare Cost of Milk and Milk Replacer - Tools and Apps Tools and Apps
Tool to compare cost of feeding whole milk or milk replacer. Calculates cost per pound of dry matter and compares amount of nutrients provided by each feed. More
Growth Charts for Dairy Heifers
Growth Charts for Dairy Heifers - Articles Articles

Growth Charts for Dairy Heifers

Coleen M. Jones, Jud Heinrichs

Comparing to a breed standard can indicate if heifer growth is progressing normally. More
Customized Dairy Heifer Growth Chart
Customized Dairy Heifer Growth Chart - Articles Articles

Customized Dairy Heifer Growth Chart

Coleen M. Jones, Jud Heinrichs

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. More
Determining Forage Dry Matter
Determining Forage Dry Matter - Videos Videos

Determining Forage Dry Matter

Jud Heinrichs, Coleen M. Jones

9:21

Understanding 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. More
CalfTrack Calf Management System
CalfTrack Calf Management System - Articles Articles

CalfTrack Calf Management System

Jud Heinrichs, Coleen M. Jones

CalfTrack is a comprehensive program to train employees that are responsible for calf care. More
Using a Colostrometer
Using a Colostrometer - Videos Videos

Using a Colostrometer

Jud Heinrichs, Coleen M. Jones, Sonia Arnold

3:10

Demonstration of using a colostrometer to estimate IgG content in colostrum. More
Using a Brix Refractometer
Using a Brix Refractometer - Videos Videos

Using a Brix Refractometer

Jud Heinrichs, Coleen M. Jones, Sonia Arnold

4:11

Learn how to use optical and digital Brix refractometers to determine how much IgG colostrum contains. More
Photo credit: Amber Yutzy
Nitrate Calculator Spreadsheet - Tools and Apps Tools and Apps
Automates calculation of nitrate intake from feed and water, suggests ways to limit nitrate intake, and converts expressions of nitrate concentration. More
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