title: Acute phase protein concentrations after limited distance and long distance endurance rides in horses.
abstract: Acute phase proteins (APP) have been described as useful for assessing health in human and animal patients, as they closely reflect the acute phase reaction (APR). In humans and dogs a reaction analogous to APR has also been described after prolonged or strenuous exercise. The aim of this study was to determine, if similar reactions occur in endurance horses after limited and long distance rides. Seventeen horses that successfully completed various distance competitions were tested. Routine haematological and biochemical tests were performed and the concentrations of serum amyloid A (SAA), C-reactive protein (CRP) and haptoglobin were measured. Typical endurance exercise-induced haematological and biochemical changes were observed in all horses, regardless the distance. After long distance rides, the level of SAA markedly increased, but CRP and haptoglobin concentrations remained unchanged. After limited distance rides no changes in the levels of APPs were noted. Exercise-induced APR in horses occurred only after prolonged, strenuous exertion, and differed from APR in inflammation in that only SAA concentration was increased.
authors.affiliation: Department of Pathology and Veterinary Diagnostics, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Poland. anna_cywinska@sggw.pl
authors.forename: Anna
authors.initials: A
authors.lastname: Cywińska
authors.forename: Ewa
authors.initials: E
authors.lastname: Szarska
authors.forename: Renata
authors.initials: R
authors.lastname: Górecka
authors.forename: Lucjan
authors.initials: L
authors.lastname: Witkowski
authors.forename: Mateusz
authors.initials: M
authors.lastname: Hecold
authors.forename: Andrzej
authors.initials: A
authors.lastname: Bereznowski
authors.forename: Antoni
authors.initials: A
authors.lastname: Schollenberger
authors.forename: Anna
authors.initials: A
authors.lastname: Winnicka
mesh_terms: D000209:Acute-Phase Proteins / Q000378:metabolism*; D000818:Animals; D005260:Female; D006736:Horses / Q000097:blood* / Q000502:physiology*; D008297:Male; D010805:Physical Conditioning, Animal; D010807:Physical Endurance / Q000502:physiology*; D013177:Sports
chemical_list: D000209:Acute-Phase Proteins