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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Toxic Weed: Milkweed
Toxic Weed: Milkweed - Articles Articles

Toxic Weed: Milkweed

Donna Foulk

Primary toxin, galitoxin, is found in all vegetative parts of the plant. Toxins known as cardenolides may be responsible for digitalis-like signs that cause or contribute to death. 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
Prévention et Contrôle des Problèmes d’aplombs Chez les Vaches Laitières
Prévention et Contrôle des Problèmes d’aplombs Chez les Vaches Laitières - Articles Articles

Prévention et Contrôle des Problèmes d’aplombs Chez les Vaches Laitières

Virginia A. Ishler, David R. Wolfgang, VMD, MPH DABVP-Dairy, Dave Griswold, Bruno Martin

La santé des aplombs et les boiteries sont des soucis majeurs auxquels les producteurs de lait font face à cause de leur apparition fréquente et des pertes économiques énormes engendrées. More
Penn State Particle Separator
Penn State Particle Separator - Videos Videos
In this video Dr. Jud Heinrichs demonstrates the Penn State Particle Separator, a popular method for on-farm particle size determination. 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
Photo credit: Andrew Sandeen
Managing to Get More Milk and Profit from Pasture - Articles Articles
Grazed pasture represents the cheapest source of nutrients for dairy cows, but managing a pasture system is challenging. 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
Fat Supplementation with Pasture-Based Systems
Fat Supplementation with Pasture-Based Systems - Articles Articles
Supplementation of fat appears to increase milk production by dairy cows grazing high-quality pastures, but the effect depends on type of fat supplement and stage of lactation. More
Economics of Supplemental Feeding with Pasture-Based Systems
Economics of Supplemental Feeding with Pasture-Based Systems - Articles Articles
Consider milk and feed prices, substitution rates, and expected yield and component responses when deciding how much supplemental feed to offer. More
Dietary Minerals for Dairy Cows on Pasture
Dietary Minerals for Dairy Cows on Pasture - Articles Articles
Pastures are often deficient in several minerals compared to the NRC requirements, and most rations need to be supplemented with concentrated sources of certain minerals. More
Diagnostic des Fievres de Lait et Vaches Couchees
Diagnostic des Fievres de Lait et Vaches Couchees - Articles Articles

Diagnostic des Fievres de Lait et Vaches Couchees

Virginia A. Ishler, Bruno Martin

Cet article inclut causes possibles, symptômes et situation du problème, les formes des fièvres de lait, paramètres sanguins, suggestion de maitrise, balance anion cations. More
Conjugated Linoleic Acid (CLA) in Animal Production and Human Health
Conjugated Linoleic Acid (CLA) in Animal Production and Human Health - Articles Articles
Conjugated linoleic acid (CLA) occurs naturally in ruminant milk fat and meat, but diet changes can affect the amounts. 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
ASABE Particle Separator
ASABE Particle Separator - Videos Videos

ASABE Particle Separator

Jud Heinrichs

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
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
Blooming multiflora rose in a pasture.
Multiflora Rose Control in Pastures - Articles Articles
The spread of multiflora rose in PA caused it to be designated as a noxious weed. Multiflora rose can be controlled but it takes considerable effort. More
Goats grazing in a forest.
Silvopasture - Articles Articles
New York State Senate recently voted to add silvopasturing, raising livestock and poultry in woodlots, to the state’s agricultural assessment program. More
Dairy Beef
Dairy-Beef Production - Articles Articles

Dairy-Beef Production

Tara L. Felix, Lynn Kime, Jayson K. Harper, Ph.D., John W. Comerford

Production of high-quality dairy-beef is relatively new to the beef industry and depends almost entirely on Holstein bull calves. More