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Laboratory Evaluation Of A Methyl Anthranilate Bead Formulation For Reducing Mallard Mortality And Feeding Behavior, John Cummings, Larry Clark, Patricia Pochop, James Davis
Laboratory Evaluation Of A Methyl Anthranilate Bead Formulation For Reducing Mallard Mortality And Feeding Behavior, John Cummings, Larry Clark, Patricia Pochop, James Davis
Larry Clark
This study tested a modified MA formulation that was encapsulated at 15% MA by weight in a food-grade material coated with a water-impermeable material. The MA formulation was evaluated in a simulated pond setting to determine the effects on feeding behavior of mallards.
Field Evaluation: Mortality Of Mallards Feeding In Areas Treated With Methyl Anthranilate, John `Cummings, Larry Clark, Patricia Pochop
Field Evaluation: Mortality Of Mallards Feeding In Areas Treated With Methyl Anthranilate, John `Cummings, Larry Clark, Patricia Pochop
Larry Clark
In1992 a study was conducted to determine MA effectiveness in reducing the mortality of exposed mallards. The mortality of ducks continuously exposed to WP-contaminated sediment in a treated MA and control pen was equal at 24 hours but increased in the control pen through the onclusion of the test. Subsequently mallard mortality was reduced 60% in the MA-treated pen. However, mOdification in the MA bead formulation and replicated testing were needed.
Field Behavioral Response And Bead Formulations For Methyl Antiiranilate Encapsulated Bird Repellents, Larry Clark, John Cummings
Field Behavioral Response And Bead Formulations For Methyl Antiiranilate Encapsulated Bird Repellents, Larry Clark, John Cummings
Larry Clark
The main objective of the 1993 field season was to find a formulation that would provide suitable repellency and optimal characteristics•of stability. A secondary objective was to determine whether ducks could be moved off a treated area and whether feeding activity would reflect the substrate conditions, i.e. lower feeding activity on treated surfaces and increased feeding activity on control surfaces.
Evaluation Of Concover® And Bentoballstm On Contaminated Sediments To Reduce Mortality, Patricia Pochop, John Cummings, Larry Clark, James Davis
Evaluation Of Concover® And Bentoballstm On Contaminated Sediments To Reduce Mortality, Patricia Pochop, John Cummings, Larry Clark, James Davis
Larry Clark
The objectives of this study were to evaluate the physical characteristics, application rate and longevity of Concover® and Bento'6alls™ (clay barrier system) when applied to bottom sediment in a simulated pond setting. The product that held up under mallard use was field tested to determine its effects on waterfowl feeding behavior and mortality at ERF.
Tests And Refinements Of A General Structure-Activity Model For Avian Repellents, Larry Clark, Pankaj Shah
Tests And Refinements Of A General Structure-Activity Model For Avian Repellents, Larry Clark, Pankaj Shah
Larry Clark
We tested the robustness of a structure-activity model for avian trigeminal chemoirritants. Fourteen benzoates and acetophenones were tested using European starlings Sturn us vulgaris as a bioassay. In general. the pre viously proposed model was a reasonable predictor of repellency (i.e., irritant potency). We found that the presence of a phenyl ring was critical to repel lency. Basicity of the molecule is the next most critical feature influencing repellency. The presence of an acidic function within the electron-withdrawing functionality seriously detracts from repellency. The presence or absence of an electron-withdrawing or -donating group may potentiate repellent effects, but its presence …