Common Toxic Plants for Florida Horse Owners
A horse participating in a teaching demonstration at the Horse Teaching Unit.
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Keywords

Horses
Toxic Plants

Categories

How to Cite

Schortinghouse, Alyssa, and Brent Sellers. 2023. “Common Toxic Plants for Florida Horse Owners: VM247/VM247, 1/2023”. EDIS 2023 (1). Gainesville, FL. https://doi.org/10.32473/edis-vm247-2023.

Abstract

This publication is intended to provide horse owners with critical information about common toxic plants encountered in Florida. Written by Alyssa Schortinghouse and Brent Sellers, and published by the UF/IFAS Veterinary Medicine—Large Animal Clinical Sciences Department, January 2023.

https://doi.org/10.32473/edis-vm247-2023
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References

Bamka, W., B. Barbour, C. Williams, and L. Gladney. 2013. “FS938: Poisonous Weeds in Horse Pastures.” Rutgers NJAES. https://njaes.rutgers.edu/fs938/

Bamka, W., B. Barbour, C. Williams, and L. Gladney. 2017. “FS938: Poisonous Weeds in Horse Pastures.” Rutgers NJAES. https://njaes.rutgers.edu/fs938/

Barr, A. C., and J. C. Reagor. 2001. “Toxic Plants: What the Horse Practitioner Needs to Know.” Veterinary Clinics: Equine Practice 17(3): 529–546. https://doi.org/10.1016/S0749-0739(17)30050-0

Bhaduri Hauck, S. 2016. “Toxic Plant Profile: Rhododendron and Azalea.”

Bildfell, R. 2013. “Overview of Pyrrolizidine Alkaloidosis—Toxicology.” Merck Veterinary Manual. https://www.merckvetmanual.com/toxicology/pyrrolizidine-alkaloidosis/overview-of-pyrrolizidine-alkaloidosis

Boemer, F., J. Detilleux, C. Cello, H. Amory, C. Marcillaud-Pitel, E. Richard, G. Galen, G. van Loon, L. Lefère, and D.-M. Votion. 2017. “Acylcarnitines profile best predicts survival in horses with atypical myopathy.” PLOS ONE 12(8): e0182761. https://doi.org/10.1371/journal.pone.0182761

Boyd, N. S., S. Steed, C. Marble, and A. MacRae. 2016. “Biology and Management of American Black Nightshade (Solanum americanum P. Mill.) in Tomato, Pepper, Cucurbit, and Strawberry.” HS1176. Gainesville: University of Florida Institute of Food and Agricultural Sciences. https://doi.org/10.32473/edis-hs1176-2016

Cebra, C., and D. Sisson. 2014. “Diseases of the Cardiovascular and Hemolymphatic Systems.” Llama and Alpaca Care:393–421. https://doi.org/10.1016/B978-1-4377-2352-6.00036-5

Cope, R. B. 2014. “Overview of Cyanide Poisoning—Toxicology.” Merck Veterinary Manual. https://www.merckvetmanual.com/toxicology/cyanide-poisoning/overview-of-cyanide-poisoning

EQUUS. 2004. “10 Most Poisonous Plants for Horses.” https://equusmagazine.com/horse-care/10-most-poisonous-plants-for-horses-8208

EQUUS. 2020. “10 Most Poisonous Plants for Horses.” EQUUS Magazine. https://equusmagazine.com/horse-care/10-most-poisonous-plants-for-horses-8208

González‐Medina, S., F. Montesso, Y.-M. Chang, C. Hyde, and R. J. Piercy. 2019. “Atypical myopathy-associated hypoglycin A toxin remains in sycamore seedlings despite mowing, herbicidal spraying or storage in hay and silage.” Equine Veterinary Journal 51(5): 701–704. https://doi.org/10.1111/evj.13070

Guthrie, T. 2017. “Bracken Fern Poisoning in Horses.” MSU Extension. https://www.canr.msu.edu/news/bracken_fern_poisoning_in_horses

Hinton, T., and G. A. R. Johnston. 2018. “GABA, the Major Inhibitory Neurotransmitter in the Brain.” In Reference Module in Biomedical Sciences. Elsevier. https://doi.org/10.1016/B978-0-12-801238-3.96594-2

Jansen, S. A., I. Kleerekooper, Z. L. M. Hofman, I. F. P. M. Kappen, A. Stary-Weinzinger, and M. A. G. van der Heyden. 2012. “Grayanotoxin Poisoning: 'Mad Honey Disease' and beyond.” Cardiovasc. Toxicol. 12(3): 208–215. doi: 10.1007/s12012-012-9162-2. PMID: 22528814; PMCID: PMC3404272.

Kates, A., D. E. Davis, J. McCormack, and J. Miller. n.d. Poisonous Plants of the Southern United States. 54.

Knight, T. 2019. “Black Locust.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/111

Knight, T. 2019. “Black Walnut.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/69

Knight, T. 2019. “Choke Cherry.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/29

Knight, T. 2019. “Crotalaria.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/39

Knight, T. 2019. “Rhododendron.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/111

Knight, T. 2019a. “Black Nightshade.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/90

Knight, T. 2019b. “Johnsongrass.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/30

Knight, T. 2019b. “Maple.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/87

Knight, T. 2019b. “Oleander.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/60

Knight, T. 2019b. “Water Hemlock.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/47

Knight, T. 2019b. “Yew.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/57

Knight, T. 2019c. “Sudan Grass.” Guide to Poisonous Plants – College of Veterinary Medicine and Biomedical Sciences – Colorado State University. https://csuvth.colostate.edu/poisonous_plants/Plants/Details/63

MacKay, R. n.d. “Creeping Indigo Toxicity.” Accessed January 28, 2021. https://largeanimal.vethospitals.ufl.edu/hospital-services/internal-medicine/creeping-indigo-toxicity/

MacKay, R., E. Jennings, B. Sellers, J. Ferrell, and A. House. 2018. “Creeping Indigo, a Poisonous Plant of Concern in Florida Pastures.” SS-AGR-395. Gainesville: University of Florida Institute of Food and Agricultural Sciences. https://edis.ifas.ufl.edu/ag399

Martinson, K., L. Hovda, M. Murphy, and P. Weicherding. 2018. “Black Walnut: A Toxic Horse Bedding.” https://extension.umn.edu/horse-pastures-and-facilities/black-walnut-toxic-horse-bedding

McGorum, B. C., and R. A. Anderson. 2002. “Biomarkers of Exposure to Cyanogens in Horses with Grass Sickness.” The Veterinary Record 151(15): 442–445. https://doi.org/10.1136/vr.151.15.442

Medina, S. G., C. Hyde, I. Lovera, and R. J. Piercy. 2018. “Detection of Equine Atypical Myopathy-Associated Hypoglycin A in Plant Material: Optimisation and Validation of a Novel LC-MS Based Method without Derivatisation.” PLOS ONE 13(7): e0199521. https://doi.org/10.1371/journal.pone.0199521

Oakes, J. A., and R. Y. Wang. 2016. “Toxalbumins.” In Critical Care Toxicology, edited by J. Brent, K. Burkhart, P. Dargan, B. Hatten, B. Megarbane, and R. Palmer. 1–11. Springer International Publishing. https://doi.org/10.1007/978-3-319-20790-2_98-2

Pinto, C. R. Fontes. 2001. Effects of Nitric Oxide Synthase Inhibitors on Equine and Bovine Follicular Dynamics and Steroidogenesis. 219.

Pollitt, S., M. P. Hegarty, and M. A. Pass. 1999. “Analysis of the Amino Acid Indospicine in Biological Samples by High Performance Liquid Chromatography.” Natural Toxins 7(6): 233–240. https://doi.org/10.1002/1522-7189(199911/12)7:6<233::AID-NT59>3.0.CO;2-3

Popenoe, J., C. Warwick, J. Bourdon, and D. Norman. 2018. “Key Plant, Key Pests: Azalea (Rhododendron spp.).” Gainesville: University of Florida Institute of Food and Agricultural Sciences. https://doi.org/10.32473/edis-ep567-2018

Renier, A. 2018. “Boxelder seeds cause seasonal pasture myopathy in horses.” https://extension.umn.edu/horse-pastures-and-facilities/seasonal-pasture-myopathy

Sander, J., J.-M. V. Cavalleri, M. Terhardt, M. Bochnia, A. Zeyner, A. Zuraw, S. Sander, M. Peter, and N. Janzen. 2016. “Rapid Diagnosis of Hypoglycin A Intoxication in Atypical Myopathy of Horses.” Journal of Veterinary Diagnostic Investigation 28(2): 98–104. https://doi.org/10.1177/1040638715624736

Sellers, B., J. Ferrell, and T. Wilson. 2018. “Bracken Fern Control in Pastures.” SS-AGR-357. Gainesville: University of Florida Institute of Food and Agricultural Sciences. https://edis.ifas.ufl.edu/ag366

Tiwary, A. K., B. Puschner, H. Kinde, and E. R. Tor. 2005. “Diagnosis of Taxus (Yew) Poisoning in a Horse.” Journal of Veterinary Diagnostic Investigation 17(3): 252–255. https://doi.org/10.1177/104063870501700307

Wiese, A. J., R. J. Brosnan, and L. S. Barter. 2014. “Effects of Acetylcholinesterase Inhibition on Quality of Recovery from Isoflurane-Induced Anesthesia in Horses.” American Journal of Veterinary Research 75(3): 223–230. https://doi.org/10.2460/ajvr.75.3.223

Wright, B., A. Bebbington, and T. Leuty. 2008. “Prunus Poisoning in Horses and Other Livestock.” 4. https://www.equineguelph.ca/pdf/facts/Prunus%20Poisoning%20June%2026_08.pdf

Wright, D. L., and A. Blount. 2017. “Agronomic Crop Species and Variety Selection.” SS-AGR-156. Gainesville: University of Florida Institute of Food and Agricultural Sciences. https://edis.ifas.ufl.edu/aa113

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