ORIGINAL PAPER
The effect of training on plasma L-carnitine metabolism in purebred Arabian horses
 
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University of Life Sciences, Faculty of Veterinary Medicine, Department of Animal Biochemistry and Physiology, Akademicka 12, 20-033 Lublin, Poland
CORRESPONDING AUTHOR
W. Kędzierski   

University of Life Sciences, Faculty of Veterinary Medicine, Department of Animal Biochemistry and Physiology, Akademicka 12, 20-033 Lublin, Poland
Publication date: 2010-08-16
 
J. Anim. Feed Sci. 2010;19(3):398–407
 
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ABSTRACT
The aim of this study was to evaluate how training affects plasma total, free and esterified L-carnitine concentrations in horses. The study was done on a total of 32 healthy, trained purebred Arabian horses. The 32 horses comprised two groups. In the first group, 12 stallions and 6 mares three-year-old horses involved in race-training were studied at rest. In the second group, 14 stallions were studied during a typical race or endurance training session. Jugular venous blood samples were collected to determine lactic acid (LA), free fatty acids, glycerol, triacylglycerides (TG), and the total esterified and free L-carnitine contents. The race training session caused a significant increase in blood LA and plasma esterified L-carnitine, glycerol, and TG levels. It also caused a decrease in the plasma free L-carnitine concentration determined just after the end of exercise. Compared with endurance training, high-intensity racing exercise increased the plasma esterified L-carnitine concentration and decreased that of free L-carnitine according to training intensity.
 
CITATIONS (1):
1.
Dynamic change of free serum L-carnitine concentration in relation to age, sex, and exercise in Anglo-Arabian Thoroughbred horses
Francesca Arfuso, Claudia Giannetto, Elisabetta Giudice, Francesco Fazio, Giuseppe Piccione
Journal of Equine Veterinary Science
 
ISSN:1230-1388