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Short Communication
Online Published: 08 Jul 2016


Aging effect on plasma metabolites and hormones concentrations in riding horses

K. Kawasumi, M. Yamamoto, M. Koide, Y. Okada, N. Mori, I. Yamamoto, T. Arai.


Abstract
Age effects on plasma metabolites, hormone concentrations, and enzyme activities related to energy metabolism were investigated in 20 riding horses. Animals were divided into two groups: young (3-8 years) and aged (11-18 years). They were clinically healthy, and not obese. Plasma adiponectin (ADN) concentrations in aged horses were significantly lower than those in young horses (mean±SE, 6.5±1.3 µg mL-1 vs, 10.9±1.7 µg mL-1, Mann-Whitney U test, respectively; P=0.0233). Plasma non-esterified fatty acid levels and Insulin and malondialdehyde concentrations in aged group tended to increase compared to those in young group although there were not significant differences statistically. In aged group, malate dehydrogenase/lactate dehydrogenase (M/L) ratio, which is considered an energy metabolic indicator, did not change significantly compared to that in young group. Present data suggest that aging may negatively affect nutrition metabolism, but not induce remarkable changes in M/L ratio in riding horses.

Key words: Adiponectin, Aging, Horses.


 
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How to Cite this Article
Pubmed Style

Kawasumi K, Yamamoto M, Koide M, Okada Y, Mori N, Yamamoto I, Arai T. Aging effect on plasma metabolites and hormones concentrations in riding horses. Open Vet J. 2015; 5(2): 154-157. doi:10.5455/OVJ.2015.v5.i2.p154

Web Style

Kawasumi K, Yamamoto M, Koide M, Okada Y, Mori N, Yamamoto I, Arai T. Aging effect on plasma metabolites and hormones concentrations in riding horses. https://www.openveterinaryjournal.com/?mno=235333 [Access: March 19, 2025]. doi:10.5455/OVJ.2015.v5.i2.p154

AMA (American Medical Association) Style

Kawasumi K, Yamamoto M, Koide M, Okada Y, Mori N, Yamamoto I, Arai T. Aging effect on plasma metabolites and hormones concentrations in riding horses. Open Vet J. 2015; 5(2): 154-157. doi:10.5455/OVJ.2015.v5.i2.p154


Vancouver/ICMJE Style

Kawasumi K, Yamamoto M, Koide M, Okada Y, Mori N, Yamamoto I, Arai T. Aging effect on plasma metabolites and hormones concentrations in riding horses. Open Vet J. (2015), [cited March 19, 2025]; 5(2): 154-157. doi:10.5455/OVJ.2015.v5.i2.p154


Harvard Style

Kawasumi, K., Yamamoto, . M., Koide, . M., Okada, . Y., Mori, . N., Yamamoto, . I. & Arai, . T. (2015) Aging effect on plasma metabolites and hormones concentrations in riding horses. Open Vet J, 5 (2), 154-157. doi:10.5455/OVJ.2015.v5.i2.p154


Turabian Style

Kawasumi, K., M. Yamamoto, M. Koide, Y. Okada, N. Mori, I. Yamamoto, and T. Arai. 2015. Aging effect on plasma metabolites and hormones concentrations in riding horses. Open Veterinary Journal, 5 (2), 154-157. doi:10.5455/OVJ.2015.v5.i2.p154


Chicago Style

Kawasumi, K., M. Yamamoto, M. Koide, Y. Okada, N. Mori, I. Yamamoto, and T. Arai. "Aging effect on plasma metabolites and hormones concentrations in riding horses." Open Veterinary Journal 5 (2015), 154-157. doi:10.5455/OVJ.2015.v5.i2.p154


MLA (The Modern Language Association) Style

Kawasumi, K., M. Yamamoto, M. Koide, Y. Okada, N. Mori, I. Yamamoto, and T. Arai. "Aging effect on plasma metabolites and hormones concentrations in riding horses." Open Veterinary Journal 5.2 (2015), 154-157. Print. doi:10.5455/OVJ.2015.v5.i2.p154


APA (American Psychological Association) Style

Kawasumi, K., Yamamoto, . M., Koide, . M., Okada, . Y., Mori, . N., Yamamoto, . I. & Arai, . T. (2015) Aging effect on plasma metabolites and hormones concentrations in riding horses. Open Veterinary Journal, 5 (2), 154-157. doi:10.5455/OVJ.2015.v5.i2.p154


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