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College of Veterinary Medicine

Steve Ensley

Steve EnsleyClinical Veterinary Toxicologist

Mosier P217
785-532-4287
sensley01@vet.k-state.edu

Degrees

Doctorate of Philosophy in Toxicology, 2000, Iowa State University
Master of Science in Toxicology, 1998, Iowa State University
Doctorate of Veterinary Medicine, 1981, Kansas State University
Bachelor of Science in Biology, 1979, Kansas State University

 

Experience
Faculty, Dept. of Anatomy and Physiology, College of Veterinary Medicine, Kansas State University
Faculty, Dept. of Veterinary Diagnostic and Production Animal Medicine, College of Veterinary Medicine, Iowa State University
Diagnostic Toxicologist, Veterinary Diagnostic Laboratory, College of Veterinary Medicine, Iowa State University
Assistant Professor, University of Nebraska-Lincoln. Dept. of Veterinary Science

 

Research Interests

Applied veterinary toxicology, animal drinking water quality, mineral and vitamin nutrition

 

Selected publications

36. Jian Yuan, Hyun-Joong Kim, Christopher Filstrup, Baoquing Guo, Paula Imerman, Steve Ensley, Kyoung-Jian Yoon.  Utility of a PCR-based method for rapid and specific detection of toxigenic Microcystis spp. in farm ponds. PLOS ONE. pending

35.  Scott Radke, Chris Olsen, Steve Ensley. 2018. Elemental impurities in injectable iron products for swine. J Swine Health Prod. 2018;26(3):142-145.

34. Sara T Elazab, Dwayne Schrunk, Ronald Griffith, Steve Ensley, Dell’ Anna Giuseppe,  Kathleen Mullin, MG Elsayed, MS Amer, SM El-Nabtity and Walter Hsu. 2018. Pharmacokinetics of cefquinome in healthy and Pasteurella multocida-infected rabbits. Journal of Veterinary Pharmacology and Therapeutics. Doi.10.1111/vp.12489.

33. Dyneah Classen, Kent Schwartz, Darin Madson, Steve Ensley. 2017. Microcystin toxicity in nursery piglets. Journal of Swine Health and Production. 25(4):198-205.

32. Xiangwei Du, D Schrunk, D Shao, P Imerman, W Chong, S Ensley, W Rumbeiha. 2017. Intra-laboratory Development and Evaluation of a Quantitative Method for Measurement of Aflatoxins B1, M1, and Q1 in Animal Urine by High Performance Liquid Chromatography with Fluorescence Detection. J Anal Toxicol. Pg 1-10.

31.  Renate Reimschuessel, J Abbott, S Bodeis-Jones, M Grabenstein, J Guag, S Nemser, G Tyson, K Song, J Qiu, K Clothier, S Marks, B Byrne, K Cadmus, K  Pabilonia, S Sanchez, S Rajeev, S Ensley, T Frana, A Jergens, S Thakur, K . Chappell, B Byrum, Ji Cui, Y Zhang, M Erdman, S Rankin, R Daly, Seema Das, L Ruesch, S Lawhon, S Zhang, T Baszler, D Diaz-Campos, F Hartmann, O Okwumabua. 2017.  Multi-Laboratory survey to evaluate Salmonella prevalence in diarrheic and non-diarrheic dogs 3 and cats-in the USA between 2012 and 2014. J Clin Microbiol. Vol 55, no. 5: 1350-1368.

30.  Daniel Thomson, G. Longeragan, J. Henningson, Steve Ensley, B. Bawa. 2015.         Description of a novel fatigue syndrome of finished feedlot cattle following transportation, JAVMA. Jul 1; 247(1): 66-72.

29.  June Olds, E Burrough, D Madson, Steve Ensley, R Horst, B Janke, K Schwartz, G Stevenson, P Gauger, V Cooper, P Arruda, T Opriessnig. Clinical Investigation into Feed-Related Hypervitaminosis D in a Captive Flock of Budgerigars (Melopsittacus undulates): Morbidity, Mortalities and Pathologic Lesions. Journal of Zoo and Wildlife Medicine. 2015. 46(1). 9-17.

28.  Ma, R; Tian Zhang, Shannon Bartlet-Hunt, Young Qi, William Kranz, Daniel Snow, Terry Mader, Charles Shapiro, David Shelton, Simon van Donk, David Tarkalson, Steve Ensley. 2015.  Influence of Soil Properties and Test Conditions on Sorption and Desorption of Testosterone, Journal of Environmental Eng., 10.1061/ (ASCE) EE. 1943-7870.0000937, 1-9.

27.  Douglas Snider, D. Gardner, B Janke, Steven Ensley. 2015. A toxin-induced abortion outbreak in Nebraska cattle was confirmed to be caused by pine needle consumption following detection of tetrahydroagathic acid in fetal fluids using gas chromatography-mass spectroscopy.  Journal of Veterinary Diagnostic Investigation. Vol 27 (1) 74-79.

26.  Arnold J, Madson DM, Ensley SM, Goff JP, Sparks C, Stevenson GW, Crenshaw T, Wang C, Horst RL. Survey of vitamin D status in swine using serum across different stages of production and an evaluation of supplemental bulk vitamin D premixes used in swine diets. Journal of Swine Health and Production. 23(1):28-34 2015.

25.  Canty M, U Fogarty, M Sheridan, S Ensley, D Schrunk, S More. Ergot alkaloid intoxication in perennial ryegrass (Lolium perenne): an emerging animal health concern in Ireland? Irish Veterinary Journal. 2014, 67:21. 

24.  Leuschen B, S. Ensley, P Plummer. Ergot toxicosis causing death in weaned beef calves. The Bovine Practioner. 2014. Vol. 48. No. 2. Pg 134-138.

23.  Patience J, A.J. Myers, S. Ensley, B.M. Jacobs and D Madson. 2014. Evaluation of two mycotoxin mitigation strategies in grow-finish swine diets containing corn dried distillers grains with solubles naturally contaminated with deoxynivalenol, Journal of Animal Science. Vol 10. Number 2527. Pg 620-626.

22.  Madson Darin, SM Ensley, J F Patience, P Gauger and R Main.  2014. Diagnostic assessment of swine chronically feed deoxynivalenol (DON) during the growing period. JSHAP. Volume 22, Number 2. Pg78-83.

21.  Van Donk, S. J., Biswas, S., Kranz, W. L., Snow, D. D., Bartelt-Hunt, S. L., Mader, T. L.,Shapiro, C. A., Shelton, D. P., Tarkalson, D. D., Zhang, T. C., Ensley, S. 2013.Transport of Steroid Hormones in the Vadose Zone After Land Application of Beef Cattle Manure. Trans. ASABE, 56(4), 1327−1338.

20.   Biswas S, C. Shapiro , W.L. Kranz, T. Mader, D.P. Shelton, D.D. Snow, S.L. Bartelt-Hunt, D.D. Tarkalson, S. J. van Donk T.C. Zhang, S. Ensley. 2013. Current Knowledge on the Environmental Fate, Potential Impact, and Management of Growth Promoting Steroids Used in the Beef Cattle Industry. Journal of Soil and Water Conservation, Volume 68, Number 4, page 325.

19.  Nicholas J, S Ensley, A Barker, C Stahl, Tremorgenic Mycotoxicosis in Dogs, Compendium on Continuing Education for Practicing Veterinarians, 2013 February,: E1-E6.

18.  Oruc H, W Rumbeiha, S Ensley, C Olsen, D Schrunk. Simultaneous Detection of Six Different Groups of Antimicrobial Drugs in Porcine Oral Fluids Using a Biochip Array Based Immunoassay. Kafkas Universitesi Veteriner Fakultesi Dergisi. 2013; 19 (3) 407-412. 

17.  Madson DM, Ensley SM, Gauger PC, Schwartz KJ, Stevenson GW, Cooper VL, Janke BH, Burrough ER, Goff JP, Horst RL. Rickets: case series and diagnostic review of hypovitaminosis D in swine.J Vet Diagn Invest. 2012 Nov; 24(6):1137-44. Epub 2012 Sep 18.

16.  Drewnoski ME, Ensley SM, Beitz DC, Schoonmaker JP, Loy DD, Imerman PM, Rathje JA, Hansen SL. Assessment of ruminal hydrogen sulfide or urine thiosulfate as diagnostic tools for sulfur induced polioencephalomalacia in cattle. J Vet Diagn Invest. 2012 Jul; 24(4):702-9. Epub 2012 May 29.

15.  L. R. Mundell, Jaeger, J.R., Waggoner,J.W.,  Stevenson, J. S. ,  Grieger, D. M.,   Pacheco, L. A., Bolte, J. W.,  Aubel, N. A., Eckerle, G. J. , Macek, M. J. ,  Ensley, S. M., Havenga, L. J. and K. C. Olson.  2012.  Effects of prepartum and postpartum bolus injections of trace minerals on performance of beef cows and calves grazing native range. Professional Animal Scientist, vol. 28 no. 1 82-88.

14.   H. Shen, Thomas, P.R., Ensley, S.M., Kim, W-I, Loynachan, A.T., Halbur, P.T., Opriessnig, T. Vitamin E and selenium levels are within normal range in pigs diagnosed with mulberry heart disease and evidence for viral involvement in the syndrome is lacking. Transboundry and Emerging Diseases, 2011.58(6):483-91. 

13.   Yaeger MJ, Mullin K, Ensley SM, Ware WA, Slavin RE. Myocardial Toxicity in a Group of Greyhounds Administered Ractopamine. Vet Pathol. 2011 Oct 12. [Epub ahead of print]

12.   Schwarte K.E., J. R. Russell, J. L. Kovar, D. G. Morrical, S. M. Ensley, K. J. Yoon, N. A. Cornick, and Y. I.  Cho, 2011. Grazing Management Effects on Sediment, Phosphorus, and Pathogen Loading of Streams in Cool-Season Grass Pastures.  J. Environ. Qual., 40:1303–1313.  

11.   Atkins C. E, S.L. Vaden, R.G. Arther, D.K. Ciszewski,  W.L. Davis, S.M. Ensley,  H. Chopade, 2011.  Renal Effects of Dirofilaria immitis in Experimentally-Infected Cats.  Vet Parasitol 2011 Mar 22; 176(4):317-23. Epub 2011 Jan 19

10.    Robertson A.E., G. Munkvold, S. Ensley, C. Hurburgh, 2011, Effects of natural hail damage on Ear Rots, Mycotoxins and Grain Quality Characteristics of Corn. Agronomy Journal. Volume 103, Issue 1.pg 1193-1199

9.    G.D. Osweiler, S. Jagannatha, D. W. Trampel, P. M. Imerman, S. M. Ensley, I. Yoon, and D. T. Moore, 2010. Evaluation of XPCTM and prototypes on aflatoxin challenged broilers.  Poultry Science.  89:1887-1893.

8.   Atkins C. E., R.G. Arther, D.K. Ciszewski, W.L. Davis, S.M. Ensley et. al. 2008.    Echocardiographic Quantification of Dirofilaria immitis in Experimentally-Infected Cats. Veterinary Parasitology. Dec 10; 158(3):164-70.

7.    Tarkalson, D.D., J.O. Payero, S. Ensley, and C. Shapiro. 2006. Nitrate accumulation and movement under deficit irrigation in soil receiving cattle manure and commercial fertilizer.  Agricultural Water Management. 85:201-210.

6.    Aga D.S., S. O’Connor, S. Ensley, J.O. Payero, D. Snow, and D.D. Tarkalson. 2005.  Determination of the Persistence of Tetracycline Antibiotics and Their Degradates in Manure-Amended Soil Using Enzyme-Linked Immunosorbent Assay and Liquid Chromatography-Mass Spectrometry.  Journal of Agricultural and Food Chemistry. 53:7165-7171.

5.   Arther RG, Atkins C, Ciszewski DK, Davis WL, Ensley SM, Settje TL, 2005. Safety of imidacloprid plus moxidectin topical solution applied to cats heavily infected with adult heartworms (Dirofilaria immitis).  Parasitol Res 97: Sup 1, 70-75.

4.   Trampel D, Imerman P, Carson T, Kinker J, Ensley S:  2003, Lead Contamination of Chicken Eggs and Tissues from a Small Farm Flock. J Vet Diag Invest 15:418-422

3.    Fogarty U, Perl D, Ensley S:  et.al. 1998, A cluster of equine granulomatous enteritis cases:  the link with aluminum.  Vet Human Toxicol 40:297-305.

2.    Benson JE, Ensley S:  et.al. 1998, Lasalocid toxicosis in neonatal calves.  J Vet Diag Invest 10:210-214.

  1. Ensley LE, Ensley S:  1991, Field experience with cross-protective anti-endotoxin antiserum in neonatal calves. Agri-Practice May/June 12:13-19.

 

BOOKS AND BOOK CHAPTERS

Ensley S, S Radke: Pending, Toxic Minerals, Chemicals, Plants, and Gases, In” Diseases of Swine”

Ensley S, S Radke: Pending, Mycotoxins in Grains and Feeds, In” Diseases of Swine”

Ensley S: Pending, Organochlorines, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier.

Ensley S: Pending, Pyrethrins, Pyrethroids and Other Insecticides, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier.

Ensley S: Pending, Neonicotinoids, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier.

Ensley S, 2017, Carbamates In: “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Carbamates In: “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Organophosphates in “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Fluoride Toxicity In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Cardiotoxin Plants In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Conium, Poison Hemlock In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Grass Tetany In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Pyrrolizidine Alkaloids In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Trematol In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Urea In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2017, Phenyloxyl Toxicity In “Blackwell’s Five-Minute Veterinary Consult: Ruminant, Second Edition”, (Chris Chase, Ed), John Wiley & Sons, Inc.

Ensley S, 2016, Pesticides and Herbicides, In Encyclopedia of Food and Health, 1st Edition, (Caballero, Finglas and Toldra, Ed), Elsevier.pg 307-310.  

Ensley S, W Rumbeiha: 2012, Ruminant Toxicology Diagnostics, In “Veterinary Clinics of North America” Diagnostic Pathology (V Cooper, Ed), Philadelphia, Elsevier. pg 557-564.

Ensley S, G Osweiler: 2012, Toxic Minerals, Chemicals, Plants, and Gases, In” Diseases of Swine”

Ensley S: 2012, Organochlorines, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier.

Ensley S: 2012, Pyrethrins, Pyrethroids and Other Insecticides, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier.

Ensley S: 2012, Organophosphates and Carbamate Toxicosis, In “Equine Veterinary Clinical Advisor” (C Gaskill, Ed), St Louis, Elsevier. pg 414-415. 

Ensley S: 2011, Biofuels Co-Products Tolerance and Toxicology for Ruminants, In “Veterinary Clinics of North America” Toxicology Edition (G Osweiler, Ed), Philadelphia, Elsevier. pg 297-303.

Ensley S, 2010, Introductory chapter in the toxicology section for the 10th edition of the Merck Veterinary Manual

Ensley S: 2007, Organochlorines, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier. pg 489-493.

Ensley S: 2007, Pyrethrins, Pyrethroids and Other Insecticides, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier. pg 494-498.

Ensley S: 2007, Water Quality for Animals, In “Veterinary Toxicology: Basic & Clinical Principles” (R. Gupta, Ed.), Elsevier. pg 1045-1059.

Ensley S:  2002, Organochlorines.  In:  Clinical Veterinary Toxicology. Plumlee, K., ed. St Louis, Mosby.pg 186-188.

Ensley S:  2002, Arsenic.  In:  Clinical Veterinary Toxicology. Plumlee, K., ed. St Louis, Mosby. pg 193-195.

Ensley S:  2002, Mercury. In:  Clinical Veterinary Toxicology. Plumlee, K., ed. St Louis, Mosby.pg 210-211.