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The Veterinary clinics of North America. Equine practice2024; S0749-0739(23)00077-9; doi: 10.1016/j.cveq.2023.12.002

Range and Pasture Plants Likely to Poison Horses.

Abstract: Range and pasture toxic plants can poison horses. Many of these plants are noxious weeds that can dominate plant populations and replace healthy forages. Poisoning is often difficult to diagnose as the resulting plant-induced disease is similar to other infectious, toxic, and nutritional diseases. Identifying potentially problem plants, and observing what plants horses are eating, is essential in determining the risk of poisoning. If the risk is significant, it can drive management to invest in strategies to avoid exposure, animal disease, and suffering.
Publication Date: 2024-01-05 PubMed ID: 38184454DOI: 10.1016/j.cveq.2023.12.002Google Scholar: Lookup
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Summary

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This research investigates the types of plants in ranges and pastures that may be toxic and cause poisoning in horses. By recognising these harmful plants and observing the horses’ eating behaviour, the risk of poisoning can be significantly reduced, aiding management in implementing strategies to avoid any animal afflictions and discomfort.

Objective of the Study

  • The main objective of this study is to identify the type of plants in ranges and pastures that can potentially poison horses when ingested. This is done by observing which plants the horses eat and showing which ones are possibly harmful to them.

Problem with Poisonous Plants

  • The poisonous plants present a risk as they often dominate the plant populations and take over spaces where healthy and nourishing forages could thrive. Their presence makes it harder to provide horses with sufficient, nutritious feed.
  • The poisoning symptoms in horses can be quite challenging to diagnose because the diseases induced by plant toxins closely mimic other infectious, toxic, and nutritional diseases. This increases the difficulty in making accurate diagnoses and providing proper treatment.

Importance of Identifying Toxic Plants

  • The study emphasises that identifying the potentially poisonous plants is crucial in determining the overall risk of horses getting poisoned. By doing so, the caretakers or handlers of the horses can monitor their eating habits, paying close attention to whether they ingest harmful plants.
  • If there is a significant risk, it can push management to invest more on preventive measures such as better pasture management or using more controlled, safe feeding practices that will help avoid exposure to these poisonous plants. This in turn will decrease the chances of diseases and suffering in horses.

Conclusion

  • Overall, the research brings to light the existence of toxic plants in ranges and pastures that might pose significant health risks to horses. It highlights the importance of understanding equine dietary patterns and the types of plants growing in their habitat. This knowledge aids in creating better management strategies to protect horses from plant-induced diseases and improve their overall health and quality of life.

Cite This Article

APA
Stegelmeier BL, Davis TZ. (2024). Range and Pasture Plants Likely to Poison Horses. Vet Clin North Am Equine Pract, S0749-0739(23)00077-9. https://doi.org/10.1016/j.cveq.2023.12.002

Publication

ISSN: 1558-4224
NlmUniqueID: 8511904
Country: United States
Language: English
PII: S0749-0739(23)00077-9

Researcher Affiliations

Stegelmeier, Bryan L
  • USDA/ARS Poisonous Plant Research Laboratory, 1150 East 1400 North, Logan, UT 84341, USA. Electronic address: Bryan.Stegelmeier@USDA.GOV.
Davis, T Zane
  • USDA/ARS Poisonous Plant Research Laboratory, 1150 East 1400 North, Logan, UT 84341, USA.

Conflict of Interest Statement

Disclosure The authors have nothing to disclose.

Citations

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