Water quality in the United States is threatened by contamination with nutrients, primarily
nitrogen and phosphorus. Animal manure can be a valuable resource for farmers, providing …

The physiological functions; pathogenesis, clinical signs, diagnosis, treatment and
prevention of copper deficiency disorders; sources; copper content in feeds and forage; …

Requirements and factors that affect dietary requirements for several trace minerals and
vitamins in ruminants are poorly defined. Most B vitamins and vitamin K are believed to be …

This reference provides in-depth coverage of the history and current status of the fuel
ethanol industry in the United States. It examines processing methods, scientific principles …

Much of the effort expended on nutrient management has focused on the post-excretion
product. It is important to keep in mind that management of the diet can have important …

Phosphorus is an expensive nutrient to supplement, and excess may lead to manure P
challenges. Therefore, minimizing dietary P to meet requirements is important. Two …

Abstract In 1996, the Council for Agricultural Science and Technology (CAST) published a
report entitled Integrated Animal Waste Management. One of the recommendations in that …

Dietary P supplied to feedlot cattle is important because an inadequate supply will
compromise performance, whereas excess P may harm the environment. However, P …

Phosphorus (P), linked into phosphate (PO4) or substances containing phosphate, plays an
essential role in metabolism of plants, animals and microorganisms. P-containing nucleic …

Feedlot nutrition will play a role in meeting challenges such as nutrient management.
Nitrogen and phosphorus are two nutrients that are currently studied in this context. One …