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Creator:: Downing, Troy (Troy Woerner) and Gamroth, Michael J.
Abstract:: "There is growing interest in odor and gaseous emissions from livestock operations because of concern about global warming and enforcement of the Clean Air Act. This bulletin provides and evaluates best management practices for the control of ammonia lost to the air on dairy farms. Benefits are based on an...
Resource Type:: Technical Report
Full Text:: 2009 Troy Downing, Oregon State University Dairy Extension, Tillamook, Oregon Mike Gamroth, Oregon

Creator:: Downing, Troy (Troy Woerner) and Oregon State University. Extension Service
Abstract:: This publication describes how to calibrate waste-handling equipment and calculate nutrient application rates. It covers calibration of typical equipment found on dairies, such as stationary guns, traveling guns, liquid wagons, and solids spreaders. It uses nitrogen in the calibration examples, but the same techniques can be used with phosphorus.
Resource Type:: Technical Report
Full Text:: predetermined amount of time (for example, 30 Troy Downing, Extension dairy specialist, Tillamook County

Creator:: Oregon State University. Extension Service and Downing, Troy (Troy Woerner)
Abstract:: Whether your goal is to manage manure application to balance for nitrogen or for phosphorus, knowing how much nutrient you are applying is a crucial step toward ideal manure management. Determining the relationship between volume of waste and the amount of nutrients applied is essential.
Resource Type:: Technical Report
Full Text:: or acres) that received the application Troy Downing, Extension agent (dairy), Tillamook County

Creator:: Downing, Troy (Troy Woerner) and Oregon State University. Extension Service
Abstract:: Published September 2002. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: additional copies of this publication, write: Troy Downing Oregon State University Extension Service

Creator:: Gamroth, Michael J., Downing, Troy (Troy Woerner), French, Patrick D., 1969-, and Oregon State University. Extension Service
Abstract:: Many studies have shown that dairies consistently overfeed nutrients such as phosphorus (P) and potassium (K). This practice is expensive and potentially damaging to the environment and to animal health. This publication suggests ways to improve feed management and thus avoid overfeeding P and K. Proper ration balancing is good...
Resource Type:: Technical Report
Full Text:: , this improvement Mike Gamroth, Extension dairy specialist; Troy Downing, district dairy agent; and

Creator:: Downing, Troy (Troy Woerner), Gamroth, Michael J., and Oregon State University. Extension Service
Abstract:: "This 2-year project has been helpful in characterizing nonstructural carbohydrates in cool-season grasses. We have learned a lot about the normal fluctuations seen across environments and, more specifically, variations due to genetic differences. The main conclusions are: 1. Percentages of nonstructural carbohydrate are highly variable throughout the growing season and...
Resource Type:: Technical Report
Full Text:: Carbohydrates in Cool-season Grasses Troy Downing Extension dairy specialist and staff chair Tillamook County

Creator:: Downing, Troy (Troy Woerner), Hannaway, David B., Randow, Brianna, Berry, Pete, Yang, Xiumei, and Oregon State University. Extension Service
Abstract:: This publication covers how pasture grows, understanding grazing systems, and forage quality. It also covers advanced tools for managing high-intensity grazing systems, such as the feed wedge (also called pasture wedge or grazing wedge).
Resource Type:: Technical Report
Full Text:: determining profitability. To maximize the intake of high-quality Troy Downing, David B. Hannaway, Brianna

Creator:: Downing, Troy (Troy Woerner), Chamberlain, Anna-Marie, Gamroth, Michael J., Peters, Amy, and Oregon State University. Extension Service
Abstract:: Designed to help dairy farmers calculate the costs of homegrown forages and compare them to the costs of purchasing forages. Presents typical per-acre costs of establishing, producing, and harvesting alfalfa or grass for silage to help farmers estimate costs. Explains how to compare forage production costs to alternatives by assigning...
Resource Type:: Technical Report
Full Text:: Are Your Forages Worth? What Are Your Forages Worth? Troy Downing, Anna-Marie Chamberlain, Mike

Creator:: Downing, Troy (Troy Woerner), Sullivan, Dan M., Hart, John, Gamroth, Michael J., and Oregon State University. Extension Service
Abstract:: This publication explains how to estimate the amount of manure to apply for forage production.
Resource Type:: Technical Report
Full Text:: . Gamroth EM 8585-E • Revised July 2007 NUTRIENT MANAGEMENT FOR DAIRY PRODUCTION Troy Downing

Creator:: Gamroth, Michael J., Downing, Troy (Troy Woerner), Ruddell, A. Peters (Amy Peters), and Oregon State University. Extension Service
Abstract:: Mastitis is the single most expensive disease to the dairy industry, contributing to large financial losses due to decreased quantity and quality of milk. It's essential to develop and implement a mastitis control program to keep mammary glands healthy and reduce infection in the herd. Removing the hair from a...
Resource Type:: Technical Report
Full Text:: ://catalog.extension.oregonstate.edu/em8755 Flame-clipping Udders on Dairy Cows M. Gamroth, T. Downing, and A. Peters Ruddell M astitis

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