Nutrition and Feeding

Information and tools to assist in managing dairy cattle nutrition and feeding, 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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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
Figure 1. Conversion of glucose to acetate. Source: "Digestion: The Fermentative Processes"
Ionophores: A Technology to Improve Cattle Efficiency - Articles Articles
This article explains how the use of ionophores--antibiotics that shift ruminal fermentation patterns--can improve cattle production efficiency. 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
Penn State Particle Separator
Penn State Particle Separator - Videos Videos

Penn State Particle Separator

Jud Heinrichs

4:55

In this video Dr. Jud Heinrichs demonstrates the Penn State Particle Separator, a popular method for on-farm particle size determination. 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
Milk Production Records and Feeding Records for Management Control
Milk Production Records and Feeding Records for Management Control - Tools and Apps Tools and Apps
Record books and an online tool designed to help dairy producers monitor milk production and feed intakes from the herd daily. More
Feed Me the Scoop on Veterinary Feed Directive
Feed Me the Scoop on Veterinary Feed Directive - Articles Articles

Feed Me the Scoop on Veterinary Feed Directive

Capri Stiles-Mikesell, Greg Strait

Description of in-feed medications and how they fit into the Veterinary Feed Directive (VFD) rules that took effect January 1, 2017. 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
Conventional Feed Schedule Component
Conventional Feed Schedule Component - Articles Articles

Conventional Feed Schedule Component

Virginia A. Ishler, Dan Ludwig

Feed management plan in a tie-stall dairy facility 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
Crop Cents Mobile App
Crop Cents Mobile App - Tools and Apps Tools and Apps

Crop Cents Mobile App

Timothy Beck, Virginia A. Ishler, Robert C. Goodling, Jr.

CropCents is a mobile app that calculates actual costs to produce home raised feeds for crop, dairy, and beef producers. More
Feed Management and Delivery
Feed Management and Delivery - Articles Articles

Feed Management and Delivery

Robert J. Van Saun, DVM, MS, PhD, Ernest Hovingh, DVM, PhD

A checklist to determine the relative biosecurity risk of feed management and delivery in dairy herds. More
Food Safety Modernization Act - Preventive Controls for Animal Feed Rule
Food Safety Modernization Act - Preventive Controls for Animal Feed Rule - Articles Articles

Food Safety Modernization Act - Preventive Controls for Animal Feed Rule

Ginger D Fenton, PhD, Robert J. Van Saun, DVM, MS, PhD, Luke LaBorde, Ph.D.

Learn the details and find educational resources on the FSMA Animal Feed Rule, including videos and training opportunities that address requirements, exemptions, and deadlines of the rule. 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
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
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
Dairy Risk-Management Education: Managing Income Over Feed Costs
Dairy Risk-Management Education: Managing Income Over Feed Costs - Articles Articles
To remain profitable, producers should be monitoring and making decisions based on their herd's "income over feed costs" (IOFC). More
Nutrition may help prevent mastitis
Nutrition, Immunity and Mastitis - Articles Articles

Nutrition, Immunity and Mastitis

Robert J. Van Saun, DVM, MS, PhD

The role of nutrition in mastitis prevention is reviewed relative to its impact on immune response of dairy cows 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
Photo credit: Shannon Wingert
Importancia y Manejo del Calostro en el Ganado de Leche - Articles Articles
La ternera nace sin inmunidad humoral adecuada y depende casi totalmente de la transferencia pasiva de inmunoglobulinas maternas presentes en el calostro. More
Tools to Assess Colostrum Management
Tools to Assess Colostrum Management - Articles Articles
We can measure how well a colostrum program is working by estimating the IgG in calves' blood. More