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Full-Text Articles in Physical Sciences and Mathematics

Recent Studies On Flavor Aversion Learning In Wildlife Damage Management, Russell F. Reidinger Jr. Aug 1995

Recent Studies On Flavor Aversion Learning In Wildlife Damage Management, Russell F. Reidinger Jr.

National Wildlife Research Center Repellents Conference 1995

Flavor aversion learning (FAL) occurs experimentally when a mammal is presented with a distinctive-flavored food followed by a postingestional illness. Birds may learn aversions to visual cues. Aversions follow a single pairing and may be robust. During the past decade, at least four directions were followed in evaluating FAL for managing wildlife damage: compounds already registered for use on crops such as herbicides, insecticides, or fungicides were tested for their abilities to also repel birds and small mammals from crops; naturally occurring compounds such as sucrose or charcoal were similarly evaluated; eggs were treated with different compounds in attempts to …


An Integrated Strategy To Decrease Eared Dove Damage In Sunflower Crops, Ethel N. Rodriguez, Richard L. Bruggers, Roger W. Bullard, Robert Cook Aug 1995

An Integrated Strategy To Decrease Eared Dove Damage In Sunflower Crops, Ethel N. Rodriguez, Richard L. Bruggers, Roger W. Bullard, Robert Cook

National Wildlife Research Center Repellents Conference 1995

Eared doves (Zenaida auriculata) damage mature sunflowers in Uruguay. Although repellents might be useful as a control method, durability and expense have discouraged their use. In the present report, we describe laboratory, aviary, and field research designed to evaluate methiocarb and calcium carbonate as durable, economical repellents. Calcium carbonate (CaCO3) was as effective as CaCO3 /methiocarb in combination in deterring consumption of sunflowers. Moreover, treating field borders with CaCO3 or the CaCO3 /methiocarb combination was as effective as treating the entire field for at least 12 days. This period is sufficiently long to …


Ripening Field Corn Lost To Wildlife In 1993, Alice P. Wywialowski Apr 1995

Ripening Field Corn Lost To Wildlife In 1993, Alice P. Wywialowski

Great Plains Wildlife Damage Control Workshop Proceedings

Ripening field corn lost to wildlife was measured in fall 1993 in 10 midwestern states that have produced 83% of the field corn in the United States over the past 10 years. Sampling of damage was stratified by producer expectation of likely wildlife damage or unlikely wildlife damage. Damage was assessed immediately before harvest. Two plots that measured 4.5 m x 2 rows were assessed in each selected field. Of assessed fields, wildlife damage was present in 340 of 1,259 (27.0%) likely damaged fields and 108 of 1,243 (8.7%) unlikely damaged fields. As a percentage of harvested production, birds (Aves) …


Livestock Herding Dogs: A Unique Application For Wildlife Damage Management, Roger A. Woodruff, Jeffrey S. Green Apr 1995

Livestock Herding Dogs: A Unique Application For Wildlife Damage Management, Roger A. Woodruff, Jeffrey S. Green

Great Plains Wildlife Damage Control Workshop Proceedings

Canada geese (Branta canadensis) and white-tailed deer (Odocoileus virginianus) have caused increasing problems for people both in urban and agricultural environments. In many instances, traditional methods of resolving conflicts caused by these species have proven ineffective or impractical. Some property owners and others have begun to use livestock herding dogs to haze geese and other wildlife from areas where they are not wanted. We report on the applications and effectiveness of this technique as employed on golf courses, farms, and other areas. The use of trained herding dogs appears to be a feasible and effective method …