Nutrition and Feed Management

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Soybeans and Soybean Byproducts for Dairy Cattle
Soybeans and Soybean Byproducts for Dairy Cattle - Articles Articles
Soybeans are an excellent source of essential amino acids and complement most forages, but have some limitations. More
Feed Efficiency in Lactating Cows and Relationship to Income Over Feed Costs
Feed Efficiency in Lactating Cows and Relationship to Income Over Feed Costs - Articles Articles
Feed efficiency measures the relative ability of cows to turn feed nutrients into milk or milk components. In the simplest terms it is the pounds of milk produced per pound of dry matter consumed. More
Free Choice Feeding of Phosphorus Containing Minerals
Free Choice Feeding of Phosphorus Containing Minerals - Articles Articles
Environmental concerns have forced the animal industry to re-evaluate phosphorus levels formulated in diets to avoid excess intake and excretion. More
Heifer Nutrition Modifications to Reduce Manure Production
Heifer Nutrition Modifications to Reduce Manure Production - Articles Articles
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
Supplementing Pasture with a Total Mixed Ration
Supplementing Pasture with a Total Mixed Ration - Articles Articles
Feeding a partial TMR to grazing cows offers more “control” over the entire feeding program compared to offering pasture and grain separately. More
Precision Feeding Dairy Heifers: Strategies and Recommendations
Precision Feeding Dairy Heifers: Strategies and Recommendations - Articles Articles
Provided feed intake is restricted to allow for an optimal average daily gain, high concentrate, precision-fed rations can be fed to dairy heifers successfully. More
Table: Comparison of Commercial Electrolyte Products
Table: Comparison of Commercial Electrolyte Products - Articles Articles
Summary of selected nutrients in commercial oral rehydration products. Table assumes products are mixed with water according the manufacturer's directions. More
Feeding Low Protein Diets to Dairy Cows
Feeding Low Protein Diets to Dairy Cows - Articles Articles

Feeding Low Protein Diets to Dairy Cows

Alexander Nikolov Hristov, Ph.D.

Discussion of benefits to feeding diets with lowered protein content while meeting true animal requirements for metabolizable protein. More
Photos of Dairy Cattle Feeding
Photos of Dairy Cattle Feeding - Articles Articles
A collection of photos showing dairy cattle eating in various settings. More
Photos of Dairy Cattle on Pasture Scenes
Photos of Dairy Cattle on Pasture Scenes - Articles Articles
A collection of photos of dairy cattle in various pasture scenes. More
Modified Urine Collection Cup
Modified Urine Collection Cup - Articles Articles
A method of collecting urine from female dairy cattle that requires no adhesive and allows the animal to urinate without restriction. More
Rumen cannula available for purchase includes the cannula and stopper (shown at left). The addition of rubber and plastic washers is shown in the photo on the right.
Rumen Cannula for Dairy Calves - Articles Articles
Penn State researchers have been using ruminally cannulated calves in nutrition experiments since 2003 and is now available for purchase from Penn State. More
Photos of Rumen Development
Photos of Rumen Development - Articles Articles

Photos of Rumen Development

Jud Heinrichs, Coleen M. Jones

This series of photos illustrates the process of rumen development in dairy calves. More
Monitoring Dairy Heifer Growth
Monitoring Dairy Heifer Growth - Articles Articles

Monitoring Dairy Heifer Growth

Jud Heinrichs, Coleen M. Jones

Success of a heifer-rearing program can be evaluated by monitoring height and weight of heifers and comparing the results against the herd's growth goals. More
Photo credit: Amber Yutzy
Respuesta al Cambio en la Relación de Proteína a Energía - Articles Articles
Nuevos conceptos en los requerimientos de nutrientes para el crecimiento y estimación de los requerimientos de nutrientes de animales en crecimiento. More