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The Veterinary clinics of North America. Equine practice2019; 35(3); 589-606; doi: 10.1016/j.cveq.2019.08.011

Clinical Pharmacology in Donkeys and Mules.

Abstract: Donkeys and mules show several pharmacodynamic and pharmacokinetic idiosyncrasies that have to be fully considered by any clinician dealing with these species. Because they possess an increased metabolic rate and cellular water content compared with horses, higher doses (or shorter dosing intervals) are usually recommended for those drugs where pharmacologic studies have been performed. Nonetheless, owing to the lack of species-specific information, this assumption cannot be arbitrarily applied. Thus, when a drug protocol published for horses is extrapolated to a donkey or a mule, a close monitoring is required to detect any secondary effect or subdosing.
Publication Date: 2019-10-03 PubMed ID: 31587974DOI: 10.1016/j.cveq.2019.08.011Google Scholar: Lookup
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Summary

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The research article discusses the unique pharmacological characteristics and requirements of donkeys and mules, indicating that these species require higher drug doses or more frequent intervals due to their higher metabolic rate and cellular water content compared to horses.

Distinct Pharmacological Characteristics of Donkeys and Mules

  • The article highlights the pharmacodynamic and pharmacokinetic peculiarities of donkeys and mules.
  • These species demonstrate a higher metabolic rate and a greater cellular water content than horses, affecting their bodies’ interactions with drugs.
  • As a result of these distinct physiological traits, donkeys and mules usually require higher doses of medications or shorter intervals between doses.

Limited Species-Specific Information

  • The scientists note the scarcity of species-specific information, which means that drug protocols can’t be arbitrarily applied to donkeys, mules, and horses alike based solely on their physiological similarities.
  • Without sufficient data and research, it is risky to assume that medicinal doses effective for horses will have the same impact on donkeys and mules.

The Need for Closely Monitored Extrapolation

  • Clinicians must exercise caution when extrapolating drug protocols designed for horses to donkeys and mules.
  • Close monitoring is necessary to detect any side effects or instances of underdosing.
  • Overall, the research emphasizes the need for more species-specific studies to determine appropriate pharmacological approaches for donkeys and mules.

Cite This Article

APA
Mendoza FJ, Perez-Ecija A, Toribio RE. (2019). Clinical Pharmacology in Donkeys and Mules. Vet Clin North Am Equine Pract, 35(3), 589-606. https://doi.org/10.1016/j.cveq.2019.08.011

Publication

ISSN: 1558-4224
NlmUniqueID: 8511904
Country: United States
Language: English
Volume: 35
Issue: 3
Pages: 589-606
PII: S0749-0739(19)30049-5

Researcher Affiliations

Mendoza, Francisco J
  • Department of Animal Medicine and Surgery, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, Cordoba 14014, Spain. Electronic address: fjmendoza@uco.es.
Perez-Ecija, Alejandro
  • Department of Animal Medicine and Surgery, University of Cordoba, Campus Rabanales, Road Madrid-Cadiz km 396, Cordoba 14014, Spain.
Toribio, Ramiro E
  • Department of Veterinary Clinical Sciences, The Ohio State University, 601 Vernon Tharp Street, Columbus, OH 43210, USA.

MeSH Terms

  • Animals
  • Equidae / physiology
  • Horse Diseases / drug therapy
  • Horses
  • Pharmacology, Clinical

Citations

This article has been cited 4 times.
  1. Kośka I, Kubalczyk P. Development of the Chromatographic Method for Simultaneous Determination of Azaperone and Azaperol in Animal Kidneys and Livers.. Int J Mol Sci 2022 Dec 21;24(1).
    doi: 10.3390/ijms24010100pubmed: 36613536google scholar: lookup
  2. Ebner L, O O, Simon B, Lizarraga I, Smith J, Cox S. Pharmacokinetics of butorphanol following intravenous and intramuscular administration in donkeys: A preliminary study.. Front Vet Sci 2022;9:979794.
    doi: 10.3389/fvets.2022.979794pubmed: 36213418google scholar: lookup
  3. Straticò P, Carluccio A, Varasano V, Guerri G, Suriano R, Robbe D, Cerasoli I, Petrizzi L. Analgesic Effect of Butorphanol during Castration in Donkeys under Total Intravenous Anaesthesia.. Animals (Basel) 2021 Aug 9;11(8).
    doi: 10.3390/ani11082346pubmed: 34438803google scholar: lookup
  4. Chapuis RJJ, Smith JS, French HM, Toka FN, Peterson EW, Little EL. Nonlinear Mixed-Effect Pharmacokinetic Modeling and Distribution of Doxycycline in Healthy Female Donkeys after Multiple Intragastric Dosing-Preliminary Investigation.. Animals (Basel) 2021 Jul 9;11(7).
    doi: 10.3390/ani11072047pubmed: 34359175google scholar: lookup