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K. Horak · SciRah

Researcher profile · Semantic Scholar

K. Horak

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K. Horak — researcher profile on SciRah

h-index: 19
Works: 56
Citations: 956

Most-cited papers

Acute toxicity, histopathology, and coagulopathy in American kestrels (Falco sparverius) following administration of the rodenticide diphacinone
B. Rattner, K. Horak, Sarah E. Warner, D. Day +4 more
2011Environmental Toxicology and Chemistry83 citations
Semantic Scholar
Toxicokinetics and coagulopathy threshold of the rodenticide diphacinone in eastern screech‐owls (Megascops asio)
B. Rattner, K. Horak, R. Lazarus, D. A. Goldade +1 more
2014Environmental Toxicology and Chemistry66 citations
Semantic Scholar
Assessment of toxicity and potential risk of the anticoagulant rodenticide diphacinone using Eastern screech-owls (Megascops asio)
B. Rattner, K. Horak, R. Lazarus, K. Eisenreich +5 more
2012Ecotoxicology60 citations
Semantic Scholar
Pharmacokinetics of Anticoagulant Rodenticides in Target and Non-target Organisms
K. Horak, P. Fisher, B. Hopkins
201853 citations
Semantic Scholar
Acute toxicity of diphacinone in Northern bobwhite: effects on survival and blood clotting.
B. Rattner, K. Horak, Sarah E. Warner, J. Johnston
2010Ecotoxicology and Environmental Safety42 citations Open access
Semantic Scholar
Weathered MC252 crude oil-induced anemia and abnormal erythroid morphology in double-crested cormorants (Phalacrocorax auritus) with light microscopic and ultrastructural description of Heinz bodies.
K. Harr, F. Cunningham, C. Pritsos, K. Pritsos +11 more
2017Ecotoxicology and Environmental Safety38 citations Open access
Semantic Scholar
Brodifacoum Toxicity in American Kestrels (Falco sparverius) with Evidence of Increased Hazard on Subsequent Anticoagulant Rodenticide Exposure
B. Rattner, S. Volker, Julia S. Lankton, T. Bean +2 more
2019Environmental Toxicology and Chemistry36 citations
Semantic Scholar
Dietary intake of Deepwater Horizon oil-injected live food fish by double-crested cormorants resulted in oxidative stress.
K. Pritsos, C. R. Perez, T. Muthumalage, Karen M. Dean +8 more
2017Ecotoxicology and Environmental Safety34 citations Open access
Semantic Scholar
Toxicity reference values for chlorophacinone and their application for assessing anticoagulant rodenticide risk to raptors
B. Rattner, K. Horak, R. Lazarus, Sandra L. Schultz +3 more
2015Ecotoxicology33 citations
Semantic Scholar
Dermal exposure to weathered MC252 crude oil results in echocardiographically identifiable systolic myocardial dysfunction in double-crested cormorants (Phalacrocorax auritus).
K. Harr, M. Rishniw, Tracy L Rupp, D. Cacela +9 more
2017Ecotoxicology and Environmental Safety31 citations Open access
Semantic Scholar
Grass is not always greener: rodenticide exposure of a threatened species near marijuana growing operations
A. Franklin, P. Carlson, Angela Rex, Jeremy T. Rockweit +7 more
2018BMC Research Notes30 citations Open access
Semantic Scholar
Toxic effects of orally ingested oil from the Deepwater Horizon spill on laughing gulls.
K. Horak, S. Bursian, Christine K. Ellis, Karen M. Dean +9 more
2017Ecotoxicology and Environmental Safety30 citations Open access
Semantic Scholar
Organ weights and histopathology of double-crested cormorants (Phalacrocorax auritus) dosed orally or dermally with artificially weathered Mississippi Canyon 252 crude oil.
K. Harr, D. Reavill, S. Bursian, D. Cacela +9 more
2017Ecotoxicology and Environmental Safety29 citations
Semantic Scholar
Overview of avian toxicity studies for the Deepwater Horizon Natural Resource Damage Assessment.
S. Bursian, C. R. Alexander, D. Cacela, F. Cunningham +20 more
2017Ecotoxicology and Environmental Safety27 citations
Semantic Scholar
Reprint of: Overview of avian toxicity studies for the Deepwater Horizon Natural Resource Damage Assessment.
S. Bursian, C. R. Alexander, D. Cacela, F. Cunningham +20 more
2017Ecotoxicology and Environmental Safety26 citations
Semantic Scholar
Reprint of: CYP1A protein expression and catalytic activity in double-crested cormorants experimentally exposed to Deepwater Horizon Mississippi Canyon 252 oil.
C. R. Alexander, M. Hooper, D. Cacela, Kim D Smelker +10 more
2017Ecotoxicology and Environmental Safety23 citations Open access
Semantic Scholar
Effects of Low-level Brodifacoum Exposure on the Feline Immune Response
Jennifer H. Kopanke, K. Horak, E. Musselman, Craig A. Miller +5 more
2018Scientific Reports22 citations Open access
Semantic Scholar
Changes in white cell estimates and plasma chemistry measurements following oral or external dosing of double-crested cormorants, Phalacocorax auritus, with artificially weathered MC252 oil.
Karen M. Dean, S. Bursian, D. Cacela, M. Carney +10 more
2017Ecotoxicology and Environmental Safety22 citations Open access
Semantic Scholar
Development of methods for avian oil toxicity studies using the double crested cormorant (Phalacrocorax auritus).
F. Cunningham, Karen M. Dean, K. Hanson‐Dorr, K. Harr +6 more
2017Ecotoxicology and Environmental Safety20 citations
Semantic Scholar
Effects of Repeated Sublethal External Exposure to Deep Water Horizon Oil on the Avian Metabolome
Brian S. Dorr, K. Hanson‐Dorr, F. Assadi-Porter, E. Selen +2 more
2019Scientific Reports18 citations Open access
Semantic Scholar
Potential secondary poisoning risks to non-targets from a sodium nitrite toxic bait for invasive wild pigs.
Nathan P. Snow, J. Foster, Eric H. Vannatta, K. Horak +4 more
2018Pest Management Science18 citations
Semantic Scholar
Experimental and modeled thermoregulatory costs of repeated sublethal oil exposure in the Double-crested Cormorant, Phalacrocorax auritus.
P. Mathewson, K. Hanson‐Dorr, W. Porter, S. Bursian +6 more
2018Marine Pollution Bulletin15 citations
Semantic Scholar
Comparative toxicity of diphacinone to northern bobwhite (Colinus virginianus) and American kestrels (Falco sparverius)
B. Rattner, K. Horak, Sarah E. Warner, D. Day +1 more
201015 citations Open access
Semantic Scholar
Testing of an oral dosing technique for double-crested cormorants, Phalacocorax auritus, laughing gulls, Leucophaeus atricilla, homing pigeons, Columba livia, and western sandpipers, Calidris mauri, with artificially weather MC252 oil.
Karen M. Dean, D. Cacela, M. Carney, Fred L. Cunningham +19 more
2017Ecotoxicology and Environmental Safety14 citations Open access
Semantic Scholar
Increased diphacinone and chlorophacinone metabolism in previously exposed wild caught voles, Microtus californicus
K. Horak, S. Volker, C. M. Campton
201514 citations
Semantic Scholar
Current Ecotoxicity Testing Needs Among Selected U.S. Federal Agencies
P. Ceger, Natalia Garcia-Reyero Vinas, D. Allen, Elyssa Arnold +27 more
2022Regulatory toxicology and pharmacology : RTP13 citations Open access
Semantic Scholar
RNAi: Applications in Vertebrate Pest Management.
K. Horak
2020Trends in Biotechnology13 citations Open access
Semantic Scholar
CYP1A protein expression and catalytic activity in double-crested cormorants experimentally exposed to deepwater Horizon Mississippi Canyon 252 oil.
C. R. Alexander, M. Hooper, D. Cacela, Kim D Smelker +10 more
2017Ecotoxicology and Environmental Safety13 citations
Semantic Scholar
Detecting Methemoglobinemia in Animals with a Drop of Blood
Toni G. Patton, Stephen L Blamer, K. Horak
2016PLoS ONE13 citations Open access
Semantic Scholar
Comparative risk assessment of the first-generation anticoagulant rodenticide diphacinone to raptors
B. Rattner, R. Lazarus, K. Eisenreich, K. Horak +5 more
201213 citations Open access
Semantic Scholar
Effects of brodifacoum and diphacinone exposure on four species of reptiles: Tissue residue levels and survivorship.
R. Mauldin, G. Witmer, S. Shriner, Rachael S. Moulton +1 more
2019Pest Management Science12 citations Open access
Semantic Scholar
Reprint of: Development of methods for avian oil toxicity studies using the double crested cormorant (Phalacrocorax auritus).
F. Cunningham, Karen M. Dean, K. Hanson‐Dorr, K. Harr +6 more
2017Ecotoxicology and Environmental Safety12 citations
Semantic Scholar
New Rodenticides: An Update on Recent Research Trials
G. Witmer, K. Horak, Rachael S. Moulton, R. Baldwin
20139 citations
Semantic Scholar
Landscape scale thermoregulatory costs from sublethal exposure to Deep Water Horizon oil in the double-crested cormorant.
Brian S. Dorr, P. Mathewson, K. Hanson‐Dorr, K. Healy +2 more
2020Marine Pollution Bulletin8 citations Open access
Semantic Scholar
Environmental contaminant concentrations in Canada goose (Branta canadensis) muscle: probabilistic risk assessment for human consumers.
K. Horak, R. Chipman, L. Murphy, J. Johnston
2014Journal of Food Protection8 citations Open access
Semantic Scholar
Assessment of zinc phosphide bait shyness and tools for reducing flavor aversions
K. Horak, N. Hofmann, B. Kimball
2018Crop Protection7 citations Open access
Semantic Scholar
Low secondary risks for captive coyotes from a sodium nitrite toxic bait for invasive wild pigs
Nathan P. Snow, K. Horak, S. Humphrys, L. Staples +2 more
2019Wildlife Society bulletin6 citations Open access
Semantic Scholar
Invasive Species Control and Resolution of Wildlife Damage Conflicts: A Framework for Chemical and Genetically Based Management Methods
L. Clark, J. Eisemann, J. Godwin, K. Horak +5 more
2020GMOs4 citations Open access
Semantic Scholar
Effects of Deepwater Horizon oil on feather structure and thermoregulation in gulls: Does rehabilitation work?
K. Horak, Nicole L. Barrett, Jeremy W. Ellis, Emma Campbell +2 more
2020Science of the Total Environment4 citations Open access
Semantic Scholar
Effects of External Oiling and Rehabilitation on Hematological, Biochemical, and Blood Gas Analytes in Ring-Billed Gulls (Larus delawarensis)
Nicholas G. Dannemiller, K. Horak, Jeremy W. Ellis, Nicole L. Barrett +2 more
2019Frontiers in Veterinary Science4 citations Open access
Semantic Scholar
The LAST Mile: Evaluating Genetic Biocontrol as a Supplemental Tool for Eradicating Invasive Rodents on Islands
Aysegul Birand, Bruce A. Hay, Matthew Combs, Luke Gierus +8 more
2025bioRxiv3 citations Open access
Semantic Scholar
Are reports of reduced field efficacy of diphacinone and chlorophacinone in California ground squirrels (Otospermophilus beecheyi) due to elevated rodenticide metabolism?
K. Horak, C. M. Campton, S. Volker
20203 citations Open access
Semantic Scholar
Is Sensitivity to Anticoagulant Rodenticides Affected by Repeated Exposure in Hawks
B. Rattner, R. Lazarus, T. Bean, K. Horak +2 more
20183 citations Open access
Semantic Scholar
Development of Dietary-Based Toxicity Reference Values to Assess the Risk of Chlorophacinone to Non-Target Raptorial Birds
B. Rattner, R. Lazarus, Sandra L. Schultz, K. Horak +2 more
20143 citations Open access
Semantic Scholar
Toxicity of sodium nitrite-based vertebrate pesticides for European starlings (Sturnus vulgaris)
Scott J. Werner, S. T. DeLiberto, Hailey E. McLean, K. Horak +1 more
2021PLoS ONE2 citations Open access
Semantic Scholar
Assessment of toxicity and potential risk of the anticoagulant rodenticide diphacinone using Eastern screech-owls (Megascops asio) Barnett A. RattnerKatherine E. HorakRebecca S. Lazarus • Karen M. EisenreichCarol U. MeteyerSteven F. Volker • Christopher M. CamptonJohn D. EisemannJohn J. Johnston
K. Horak, S. Volker, C. M. Campton, J. Eisemann +2 more
20122 citations
Semantic Scholar
Effects of Environmentally Realistic Brodifacoum Exposure on Feline Immune Response (Abstract)
K. Horak, S. Bevins, Jennifer H. Kopanke, E. Musselman +4 more
20181 citations Open access
Semantic Scholar
Development of sublethal thresholds and toxicity reference values to examine the risk of brodifacoum to raptors
B. Rattner, K. Horak, J. Lankton, R. Lazarus +2 more
20161 citations
Semantic Scholar
The Use of Liver Microsome In -Vitro Methods to Study Toxicant Metabolism and Predict Species Efficacy
K. Horak, Chad R. Wermager, T. Primus
20101 citations Open access
Semantic Scholar
A preliminary study of regeneration in wild populations of threatened endemic Hawaiian palms (Pritchardia; Arecaceae)
M. H. Chapin, M. Maunder, K. Horak
20071 citations
Semantic Scholar

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