Nutrition and Feed Management

Information and tools to assist in managing dairy cattle nutrition and feed management, including resources on forage, silage, pasture, and water needs. Tips on monitoring heifer growth and weaning strategies for heifers and calves.

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Butyrate Addition in Calf Milk Replacer - Articles Articles

Butyrate Addition in Calf Milk Replacer

Jud Heinrichs, Ali Chishti

Feeding butyrate can help jump start rumen development, especially in calves that have not started eating much grain. More
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
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
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
Photo credit: Jill Kopfer
Economics and Effects of Accelerated Calf Growth Programs - Articles Articles
Increasing heifer growth rates, regardless of the feeding strategy, improves the odds of earlier age at calving, which can dramatically lower heifer costs. 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
Dairy Heifer Diet Formulator - Spreadsheet
Dairy Heifer Diet Formulator - Spreadsheet - Tools and Apps Tools and Apps

Dairy Heifer Diet Formulator - Spreadsheet

Jud Heinrichs, Lucas Mitchell

Choose feeds from the library or enter the composition of feeds on your farm, then balance a diet to meet a targeted growth rate. More
Compared to testing at room temperature, warm colostrum underestimates colostrum IgG and cold colostrum overestimates IgG.
Colostrometer Adjustment Spreadsheet - Tools and Apps Tools and Apps

Colostrometer Adjustment Spreadsheet

Coleen M. Jones, Jud Heinrichs

Adjust readings from a colostrometer to provide the value expected if colostrum was tested at 68°F. More
Wet Sieving to Measure Particle Length
Wet Sieving to Measure Particle Length - Videos Videos
In this video Dr. Jud Heinrichs demonstrates wet sieving, used to determine the particle size of high-moisture samples, such as rumen digesta or feces. More
Using the Body Condition Scoring Excel Spreadsheet Series
Using the Body Condition Scoring Excel Spreadsheet Series - Articles Articles
Instructions for the Body Condition Scoring spreadsheet series, used to evaluate body condition in cows and heifers. Spreadsheet series is designed for a scale of 1 to 5. More
Ro-tap Particle Separator
Ro-tap Particle Separator - Videos Videos

Ro-tap Particle Separator

Jud Heinrichs

In this video Dr. Jud Heinrichs demonstrates the Ro-Tap Particle Separator, the method used to develop the concept of physically effective fiber. More
Effects of Calf Feeding Program on First Lactation Performance
Effects of Calf Feeding Program on First Lactation Performance - Articles Articles
A review of the effects of increased milk or milk replacer feeding on milk production. More
Pasteurisierung Mit Hitze töten Pasteurisierung Mit Hitze töten - Articles
Pasteurisierung Pasteurisierte Sperrmilch einen hohen Nährwert für Milchviehkälber. Allerdings muss der Prozess korrekt Ablaufen, da sonst die Keime nicht ausreichend reduziert werden. More
Methods Used to Measure Forage and Ration Particle Size
Methods Used to Measure Forage and Ration Particle Size - Articles Articles
Particle size evaluation tools are described and demonstrated in a series of brief videos. More
Growth Monitor: Compare Heifers to Breed Standards
Growth Monitor: Compare Heifers to Breed Standards - Articles Articles

Growth Monitor: Compare Heifers to Breed Standards

Coleen M. Jones, Jud Heinrichs

Spreadsheet tools for tracking dairy heifer growth in comparison to breed standards. More
Manual for Batch Mix Spreadsheet
Manual for Batch Mix Spreadsheet - Articles Articles

Manual for Batch Mix Spreadsheet

Coleen M. Jones, Jud Heinrichs

Tips and instructions for using the Batch Mix spreadsheet, a simple tool for adjusting the amount fed as the dry matter of forages changes. More
Conduite des Genisses Laiteres
Conduite des Genisses Laiteres - Articles Articles

Conduite des Genisses Laiteres

Jud Heinrichs, Bruno Martin

L’amélioration du troupeau laitier est possible lorsque les vaches de réforme sont remplacées par des génisses de deux ans bien alimentées, saines, génétiquement supérieures et bien conduites. More
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