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Full-Text Articles in Veterinary Toxicology and Pharmacology

Pharmacokinetics Of Single Feeding Of Cannabidiol In Cattle: A Pilot Study, Haley Cornette Apr 2023

Pharmacokinetics Of Single Feeding Of Cannabidiol In Cattle: A Pilot Study, Haley Cornette

Honors College Theses

Cannabidiol (CBD) is a substance that has been used in complementary medicine for many years. However, modern medicine has little knowledge of how this substance is utilized and metabolized in ruminant animals. Regulations on quality assurance and use in animals are lacking, and CBD supplementation in livestock is not approved. If CBD supplements can be shown to be safe and effective, detection in the animal will be important for determining regulation of use. A withdrawal period can then be established to allow time for deterioration of product to safe levels before livestock products enter human markets. This study sought to …


Hordenine : Pharmacology, Pharmacokinetics And Behavioural Effects In The Horse, M. Frank, T. J. Weckman, T. Wood, W. E. Woods, Chen L. Tai, Shih-Ling Chang, A. Ewing, J. W. Blake, Thomas Tobin Jan 1991

Hordenine : Pharmacology, Pharmacokinetics And Behavioural Effects In The Horse, M. Frank, T. J. Weckman, T. Wood, W. E. Woods, Chen L. Tai, Shih-Ling Chang, A. Ewing, J. W. Blake, Thomas Tobin

Maxwell H. Gluck Equine Research Center Faculty Publications

Hordenine is an alkaloid occurring naturally in grains, sprouting barley, and certain grasses. It is occasionally found in post race urine samples, and therefore we investigated its pharmacological actions in the horse. Hordenine (2.0 mgkg bodyweight [bwt]) was administered by rapid intravenous (iv) injection to 10 horses. Typically, dosed horses showed a tlehmen response and defecated within 60 secs. All horses showed substantial respiratory distress. Respiratory rates increased about 250 per cent and heart rates were approximately double that of resting values. All animals broke out in a sweat shortly after iv injection, but basal body temperature was not affected. …