Journal article

PLASMA BETA-ENDORPHIN AND ADRENOCORTICOTROPIN IN YOUNG HORSES IN TRAINING

RN MCCARTHY, LB JEFFCOTT, JW FUNDER, M FULLERTON, IJ CLARKE

AUSTRALIAN VETERINARY JOURNAL | AUSTRALIAN VETERINARY ASSN | Published : 1991

Abstract

A controlled period of submaximal exercise on a treadmill was used as a standardised stress test in 6 young horses to monitor the effects of training. Circulating plasma concentrations of immunoreactive beta-endorphin (IR beta-EP) were measured before, during and after the exercise period. The stress test was conducted on 3 occasions during an intensive training program lasting 14 weeks. In week 3 a marked increase in plasma IR beta-EP (P = 0.003) was demonstrated as a result of training, but by the last exercise test performed in week 9 no significant increase in plasma IR beta-EP concentrations could be detected. During the training period the basal concentrations of plasma IR beta-EP sign..

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University of Melbourne Researchers