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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
Reducing Mosquito Breeding Sites When Using Tires as Anchors for Silo Covers
Reducing Mosquito Breeding Sites When Using Tires as Anchors for Silo Covers - Articles Articles

Reducing Mosquito Breeding Sites When Using Tires as Anchors for Silo Covers

Jud Heinrichs, Steve Jacobs, James Warren Garthe

This brochure details methods for reducing mosquito population around bunk silos and offers alternatives to using full-casing tires. 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
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
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
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 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
Trouble Shooting Colostrum Management: Colostrum Calculator
Trouble Shooting Colostrum Management: Colostrum Calculator - Articles Articles
Use the Colostrum Calculator spreadsheet to investigate factors related to IgG absorption in calves. 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
Dairy Heifers
Dairy Heifer Production - Articles Articles

Dairy Heifer Production

Jud Heinrichs, Virginia A. Ishler, Jayson K. Harper, Ph.D., Lynn Kime

In most herds, dairy farmers replace 25 to 30 percent of the herd each year. These replacements represent a significant financial investment. More
Cost Comparison of Various Calf Feeding Programs
Cost Comparison of Various Calf Feeding Programs - Articles Articles

Cost Comparison of Various Calf Feeding Programs

Coleen M. Jones, Jud Heinrichs

Evaluation of costs of feeding pasteurized milk to calves compared to other systems considering current market conditions. More
Corn Silage Production and Management
Corn Silage Production and Management - Articles Articles

Corn Silage Production and Management

Gregory W. Roth, Ph.D., Jud Heinrichs

Corn harvested for silage is an important feed crop on most Pennsylvania farms, where cropland often is limited. More
Howard F. Schwartz, Colorado State University, Bugwood.org
Diagnostic des Troubles de L’ensilage - Articles Articles

Diagnostic des Troubles de L’ensilage

Robert J. Van Saun, DVM, MS, PhD, Jud Heinrichs

Cet article inclut l’évaluation sensorielle e l’ensilage de maïs, la composition chimique de l’ensilage, et les caratéristiques physiques de l’ensilage. More
Photo credit: Amber Yutzy
What is Your Feed Refusal Costing You? - Articles Articles

What is Your Feed Refusal Costing You?

Jud Heinrichs, Alanna Kmicikewycz

Managing feed refusals is a balance between providing enough to ensure that each cow has access to all the feed she wants and minimizing waste. More
Precision is Key to Consistency in Calf Feeding
Precision is Key to Consistency in Calf Feeding - Articles Articles

Precision is Key to Consistency in Calf Feeding

Jud Heinrichs, Sonia Gelsinger

Consistent feeding temperature, total solids, and nutrient level helps calves perform at their best. More
Photo credit: Shannon Wingert
New Thoughts, Old Question: Should We Feed Calves Forage? - Articles Articles

New Thoughts, Old Question: Should We Feed Calves Forage?

Jud Heinrichs, Coleen M. Jones, Xavier Suarez

Feeding forage to calves has been debated for years. Fermentation of grain is essential for rumen development, but sometimes calves perform better with hay. More
Sub-Acute Rumen Acidosis and Physically Effective Fiber
Sub-Acute Rumen Acidosis and Physically Effective Fiber - Articles Articles

Sub-Acute Rumen Acidosis and Physically Effective Fiber

Jud Heinrichs, Alanna Kmicikewycz

Understanding physically effective fiber and measuring it accurately can help avoid sub-acute ruminal acidosis and its negative impacts. More
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