Nitrogen Losses from Pasture

Nitrogen Losses from Pasture
C. Alan Rotz, USDA/ARS, Pasture Systems and Watershed Management Research Unit, University Park, PA 16802

Printable version

Introduction: Substantial nitrogen (N) losses from volatilization, leaching, and denitrification occur from manure deposited by grazing animals. The amount of loss is related to the weather conditions, soil …

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Cost and Returns to Organic Dairy Farming

Cost and Returns to Organic Dairy Farming in Maine and Vermont for 2004
Timothy J. Dalton, Lisa A. Bragg, Rick Kersbergen, Robert Parsons, Glenn Rogers, Dennis Kauppila, Qingbin Wang
University of Maine
Department of Resource Economics and Policy Staff Paper #555

There is a vacuum of any rigorous, quantified studies …

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Pasture Assessment

Pasture Assessment in the Northeast United States
Matt A. Sanderson, Sarah C. Goslee, and James B. Cropper
USDA-ARS Pasture Systems and Watershed Management Research Unit, Building 3702 Curtin Road, University Park, PA. USDA-NRCS East NTSC, Greensboro, NC 27401.

Many livestock producers have intensified management of pastures in the …

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Molasses Supplementation

Effect of Molasses Supplementation on Ruminal Fermentation
Dr. Kathy Soder, USDA-ARS Pasture Systems and Watershed Management Research Unit, University Park, PA

Printable Version

Background

As milk prices fluctuate and input costs increase, grazing dairy operations seek lower-cost feed alternatives to maintain or improve milk production while reducing feed costs …

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Immunobiology of nematodes

IMMUNOBIOLOGY OF OSTERTAGIA OSTERTAGI AND OTHER GASTROINTESTINAL NEMATODES OF CATTLE

Project Number:
1265-32000-044-00D
Researchers: Gasbarre, L. C.; Fleming, M. W.; Zarlenga, D. S.
Start Date: 07-Dec-93
End Date: 06-Dec-98
Performing Institution: BELTSVILLE AGR RES CENTER
BELTSVILLE, MARYLAND 20705

Research Objectives: 1) Characterize cellular immune responses in resistant and non-resistant cattle …

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