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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
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
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
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
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: 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
Wet Sieving to Measure Particle Length
Wet Sieving to Measure Particle Length - Videos Videos

Wet Sieving to Measure Particle Length

Jud Heinrichs

3:37

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
Ro-tap Particle Separator
Ro-tap Particle Separator - Videos Videos

Ro-tap Particle Separator

Jud Heinrichs

4:26

In this video Dr. Jud Heinrichs demonstrates the Ro-Tap Particle Separator, the method used to develop the concept of physically effective fiber. More
ASABE Particle Separator
ASABE Particle Separator - Videos Videos

ASABE Particle Separator

Jud Heinrichs

3:27

In this video Dr. Jud Heinrichs demonstrates the ASABE Particle Separator, the standard method for the determination of forage particle size. 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
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
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
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
Learn To Score Body Condition
Learn To Score Body Condition - Videos Videos

Learn To Score Body Condition

Coleen M. Jones, Jud Heinrichs

12:10

Learn to assign body condition scores for dairy cattle on a 5-point scale by evaluating specific areas of the pelvis and loin. More
Heifer Nutrition Modifications to Reduce Manure Production
Heifer Nutrition Modifications to Reduce Manure Production - Articles Articles

Heifer Nutrition Modifications to Reduce Manure Production

Jud Heinrichs, G. I. Zanton, G. J. Lascano

Replacing forage dry matter with concentrates offers potential to improve the efficiency of heifer feeding, while maintaining similar rates of gain and reducing excretion of manure and nutrients. 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
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
Pasteurization of Non-Saleable Milk
Pasteurization of Non-Saleable Milk - Articles Articles

Pasteurization of Non-Saleable Milk

Jud Heinrichs, Jorge A. Elizondo Salazar, Sonia L. Gelsinger

Considerations of implementing on-farm pasteurization, discussion of waste milk quality, and evaluation of heat and UV methods. More
Milk Replacer Costs and Your Options
Milk Replacer Costs and Your Options - Articles Articles

Milk Replacer Costs and Your Options

Coleen M. Jones, Jud Heinrichs

Discussion of whey protein prices, alternative proteins, cost comparisons, and considerations for feeding waste milk. More
Composition and Hygiene of Colostrum on Modern Pennsylvania Dairy Farms
Composition and Hygiene of Colostrum on Modern Pennsylvania Dairy Farms - Articles Articles
Nutrient, immunoglobulin, and bacterial content of modern colostrum and discussion of colostrum source and volume. More
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