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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Conduite des Genisses Laiteres
Conduite des Genisses Laiteres - Articles Articles
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
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
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
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
ASABE Particle Separator
ASABE Particle Separator - Videos Videos
In this video Dr. Jud Heinrichs demonstrates the ASABE Particle Separator, the standard method for the determination of forage particle size. 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
Ro-tap Particle Separator
Ro-tap Particle Separator - Videos Videos
In this video Dr. Jud Heinrichs demonstrates the Ro-Tap Particle Separator, the method used to develop the concept of physically effective fiber. 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
Photos of Dairy Calves
Photos of Dairy Calves - Articles Articles
A collection of photos of dairy calves in various settings. More
Photos of Dairy Cows
Photos of Dairy Cows - Articles Articles
A collection of photos of dairy cows in various settings. More
Drought-Related Issues in Dairy Cattle Nutrition
Drought-Related Issues in Dairy Cattle Nutrition - Articles Articles

Drought-Related Issues in Dairy Cattle Nutrition

Virginia A. Ishler, Jud Heinrichs

In a drought quantity and quality of forage are often compromised, and acceptable substitutions must be found to provide enough forage for all animals. More
Considerations in Managing Cutting Height of Corn Silage
Considerations in Managing Cutting Height of Corn Silage - Articles Articles
Cutting corn silage higher can increase silage quality because the lower part of the crop is poorly digestible, but this can also reduce yield. More
Carbohydrate Nutrition for Lactating Dairy Cattle
Carbohydrate Nutrition for Lactating Dairy Cattle - Articles Articles

Carbohydrate Nutrition for Lactating Dairy Cattle

Virginia A. Ishler, Gabriella A. Varga

This article examines limitations of lab methods predicting forage quality, components of the carbohydrate portion of feeds, and effects of management on carbohydrate nutrition. More
Carbon, Methane Emissions and the Dairy Cow
Carbon, Methane Emissions and the Dairy Cow - Articles Articles
Methane contributes to greenhouse gas emissions, but some dietary practices reduce methane production, including ionophores, fats, high quality forages, and increased grain. More
Colostrum Supplements and Replacer
Colostrum Supplements and Replacer - Articles Articles

Colostrum Supplements and Replacer

Coleen M. Jones, Jud Heinrichs

Colostrum products can be valuable tools to increase calf immunity. This article describes the composition and effectiveness of colostrum supplements and replacers. More