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Pharmacokinetics of Amoxicillin Trihydrate in Desert Sheep and Nubian Goats

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Abstract

The pharmacokinetics of amoxicillin were studied in five Desert sheep and five Nubian goats after intravenous (i.v.) or intramuscular (i.m.) administration of a single dose of 10 mg/kg body weight. Following i.v. injection, the plasma concentration-versus-time data were best described by a two-compartment open model. The kinetic variables were similar in both species except for the volume of the central compartment (Vc), which was larger in sheep (p<0.05). Following i.m. injection, except for the longer half-life time of absorption in goats (p<0.05), there were no significant differences in other pharmacokinetic parameters between sheep and goats. The route of amoxicillin administration had no significant effect on the terminal elimination half-life in either species. The bioavailability of the drug (F) after i.m. administration was high (>0.90) in both species. These results indicate that the pharmacokinetics of amoxicillin did not differ between sheep and goats; furthermore, because of the high availability and short half-life of absorption, the i.m. route gives similar results to the i.v. route. Therefore, identical intramuscular and intravenous dose regimens should be applicable to both species.

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Authors and Affiliations

  1. Department of Veterinary Basic Sciences, Faculty of Veterinary Medicine, Jordan University of Science and Technology, PO Box 3030, Irbid, 22210, Jordan

    H.A. Elsheikh

  2. Department of Medicine, Pharmacology and Toxicology, Faculty of Veterinary Science, University of Khartoum, PO Box 32, Khartoum North, Sudan

    A.A. Taha, A.E. Khalafalla & I.A.M. Osman

  3. Camelracing Forensic Laboratory, PO Box 253, Abu Dhabi, United Arab Emirates

    I.A. Wasfi

Authors
  1. H.A. Elsheikh
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  2. A.A. Taha
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  3. A.E. Khalafalla
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  4. I.A.M. Osman
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  5. I.A. Wasfi
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Elsheikh, H., Taha, A., Khalafalla, A. et al. Pharmacokinetics of Amoxicillin Trihydrate in Desert Sheep and Nubian Goats. Vet Res Commun 23, 507–514 (1999). https://doi.org/10.1023/A:1006318623854

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  • DOI: https://doi.org/10.1023/A:1006318623854

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