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Dive into the research topics where Dallas R. Virchow is active.

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Featured researches published by Dallas R. Virchow.


International Biodeterioration & Biodegradation | 1998

Efficacy of three formulations of zinc phosphide for managing black-tailed prairie dogs

Scott E. Hygnstrom; Peter M McDonald; Dallas R. Virchow

Abstract We evaluated the effectiveness and cost of three zinc phosphide (Zn3P2) baits for managing black-tailed prairie dogs (Cynomys ludovicianus). Sixty-six 0.4-ha treatment and paired control plots were delineated within 13 prairie dog colonies in central Nebraska. Treatment plots were prebaited with untreated stream-rolled oats according to Zn3P2 label directions. After 2–3 days, we applied each of the three formulations of Zn3P2 baits according to label directions to 22 randomly assigned treatment plots. Prairie dog activity was reduced 80% with Zn3P2-treated rolled oats (Pocatello Supply Depot, US Department of Agriculture-Wildlife Services, Pocatello, ID, USA); 78% with Zn3P2-treated crimped oats (Bell Laboratories, Inc., Madison, WI, USA), and 71% with Zn3P2-treated pellets (Bell Laboratories), as measured by a plugged burrow technique. No significant differences (P=0.342) in efficacy were detected among the three treatments. Material costs varied among the Zn3P2 treatments (rolled oats-


Archive | 2002

DISTRIBUTION AND ABUNDANCE OF BLACK­ TAILED PRAIRIE DOGS IN THE GREAT PLAINS: A HISTORICAL PERSPECTIVE

Dallas R. Virchow; Scott E. Hygnstrom

1.04 kg−1, crimped oats-


Archive | 2000

DEVELOPMENT OF A MODEL TO ASSESS RODENT CONTROL IN SWINE FACILITIES

Kurt C. VerCauteren; Scott E. Hygnstrom; Robert M. Timm; Robert M. Corrigan; John Beller; Larry L. Bitney; Michael C. Brumm; Daniel Meyer; Dallas R. Virchow; Robert Wills

1.32 kg−1, and pellets-


Horttechnology | 2009

White-tailed Deer Browsing and Rubbing Preferences for Trees and Shrubs That Produce Nontimber Forest Products

Scott E. Hygnstrom; Peter Skelton; Scott J. Josiah; Jason M. Gilsdorf; Dallas R. Virchow; James A. Brandle; Anil K. Jayaprakash; Kent M. Eskridge; Kurt C. VerCauteren

2.21 kg−1). Each treatment, including prebaiting with untreated rolled oats, required 3.6 h ha−1 to apply. The total costs for 70% to 80% control of black-tailed prairie dogs (@


Archive | 2002

Prairie Dogs and the Prairie Ecosystem

Scott E. Hygnstrom; Dallas R. Virchow

5.00 h−1 labor) were


Archive | 1991

MOVEMENTS OF DEER MICE AND HOUSE MICE IN A SUGARBEET FIELD IN WESTERN NEBRASKA

Dallas R. Virchow; Scott E. Hygnstrom

18.71 ha−1 for rolled oats,


Archive | 1991

CONSUMPTION OF ZINC PHOSPHIDE-TREATED, BROMETHALIN-TREATED, AND UNTREATED OATS BY PRAIRIE DOGS AT BAIT STATIONS

Dallas R. Virchow; Scott E. Hygnstrom

18.82 ha−1 for crimped oats, and


Archive | 2006

Assistance With Wildlife Damage Problems in Nebraska

Scott E. Hygnstrom; John M. Hobbs; James G. Bruner; James Weverka; Dallas R. Virchow; Dennis M. Ferraro

19.16 ha−1 for pellets.


Archive | 2003

NF247 Assistance With Wildlife Damage Problems in Nebraska

Scott E. Hygnstrom; John M. Hobbs; James G. Bruner; James Weverka; Dallas R. Virchow; Dennis M. Ferraro


Archive | 2003

G03-1510 Using Burrow Builders for Pocket Gopher Control

Dallas R. Virchow; Scott E. Hygnstrom; Bruce Anderson

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Scott E. Hygnstrom

University of Nebraska–Lincoln

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Dennis M. Ferraro

University of Nebraska–Lincoln

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Kurt C. VerCauteren

United States Department of Agriculture

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Anil K. Jayaprakash

University of Nebraska–Lincoln

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James A. Brandle

University of Nebraska–Lincoln

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Jason M. Gilsdorf

University of Nebraska–Lincoln

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Kent M. Eskridge

University of Nebraska–Lincoln

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Michael C. Brumm

University of Nebraska–Lincoln

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Peter M McDonald

University of Nebraska–Lincoln

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Peter Skelton

New Mexico State University

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