Nutrition and Feed Management
Nutrition and Feed Management
Articles Soybeans and Soybean Byproducts for Dairy Cattle
Virginia A. Ishler
Soybeans are an excellent source of essential amino acids and complement most forages, but have some limitations. More
Articles Feed Efficiency in Lactating Cows and Relationship to Income Over Feed Costs
Jud Heinrichs, Virginia A. Ishler
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
Articles Free Choice Feeding of Phosphorus Containing Minerals
Virginia A. Ishler
Environmental concerns have forced the animal industry to re-evaluate phosphorus levels formulated in diets to avoid excess intake and excretion. More
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
Articles Feeding a partial TMR to grazing cows offers more “control” over the entire feeding program compared to offering pasture and grain separately. More
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
Articles Table: Comparison of Commercial Electrolyte Products
Coleen M. Jones, Jud Heinrichs
Summary of selected nutrients in commercial oral rehydration products. Table assumes products are mixed with water according the manufacturer's directions. More
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
Articles A collection of photos showing dairy cattle eating in various settings. More
Articles A collection of photos of dairy cattle in various pasture scenes. More
Articles Modified Urine Collection Cup
Jud Heinrichs
A method of collecting urine from female dairy cattle that requires no adhesive and allows the animal to urinate without restriction. More
Articles Rumen Cannula for Dairy Calves
Jud Heinrichs
Penn State researchers have been using ruminally cannulated calves in nutrition experiments since 2003 and is now available for purchase from Penn State. More
Articles Photos of Rumen Development
Jud Heinrichs, Coleen M. Jones
This series of photos illustrates the process of rumen development in dairy calves. More
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
Articles Nuevos conceptos en los requerimientos de nutrientes para el crecimiento y estimación de los requerimientos de nutrientes de animales en crecimiento. More