Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the Race

A total of 47 racing greyhounds were enrolled in this study on two race days (in July and September, resp.) at a racetrack. Twelve of the dogs participated in the study on both days. Thermographic images were taken before and after each race. From the images, superficial temperature points of select...

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Main Authors: Mari Vainionpää, Esa-Pekka Tienhaara, Marja Raekallio, Jouni Junnila, Marjatta Snellman, Outi Vainio
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/2012/182749
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author Mari Vainionpää
Esa-Pekka Tienhaara
Marja Raekallio
Jouni Junnila
Marjatta Snellman
Outi Vainio
author_facet Mari Vainionpää
Esa-Pekka Tienhaara
Marja Raekallio
Jouni Junnila
Marjatta Snellman
Outi Vainio
author_sort Mari Vainionpää
collection DOAJ
description A total of 47 racing greyhounds were enrolled in this study on two race days (in July and September, resp.) at a racetrack. Twelve of the dogs participated in the study on both days. Thermographic images were taken before and after each race. From the images, superficial temperature points of selected sites (tendo calcaneus, musculus gastrocnemius, musculus gracilis, and musculus biceps femoris portio caudalis) were taken and used to investigate the differences in superficial temperatures before and after the race. The thermographic images were compared between the right and left legs of a dog, between the raced distances, and between the two race days. The theoretical heat capacity of a racing greyhound was calculated. With regard to all distances raced, the superficial temperatures measured from the musculus gastrocnemius were significantly higher after the race than at baseline. No significant differences were found between the left and right legs of a dog after completing any of the distances. Significant difference was found between the two race days. The heat loss mechanisms of racing greyhounds during the race through forced conduction, radiation, evaporation, and panting can be considered adequate when observing the calculated heat capacity of the dogs.
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issn 1537-744X
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publisher Wiley
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series The Scientific World Journal
spelling doaj-art-b690339aa13246a99b3406d881b1461a2025-02-03T01:33:07ZengWileyThe Scientific World Journal1537-744X2012-01-01201210.1100/2012/182749182749Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the RaceMari Vainionpää0Esa-Pekka Tienhaara1Marja Raekallio2Jouni Junnila3Marjatta Snellman4Outi Vainio5Department of Equine and Small Animal Medicine, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Helsinki, Koetilantie 7, 00014 Helsinki, FinlandKosonkuja 3, 04370 Rusutjärvi, FinlandDepartment of Equine and Small Animal Medicine, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Helsinki, Koetilantie 7, 00014 Helsinki, Finland4Pharma Ltd, 02130 Espoo, FinlandDepartment of Equine and Small Animal Medicine, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Helsinki, Koetilantie 7, 00014 Helsinki, FinlandDepartment of Equine and Small Animal Medicine, Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Helsinki, Koetilantie 7, 00014 Helsinki, FinlandA total of 47 racing greyhounds were enrolled in this study on two race days (in July and September, resp.) at a racetrack. Twelve of the dogs participated in the study on both days. Thermographic images were taken before and after each race. From the images, superficial temperature points of selected sites (tendo calcaneus, musculus gastrocnemius, musculus gracilis, and musculus biceps femoris portio caudalis) were taken and used to investigate the differences in superficial temperatures before and after the race. The thermographic images were compared between the right and left legs of a dog, between the raced distances, and between the two race days. The theoretical heat capacity of a racing greyhound was calculated. With regard to all distances raced, the superficial temperatures measured from the musculus gastrocnemius were significantly higher after the race than at baseline. No significant differences were found between the left and right legs of a dog after completing any of the distances. Significant difference was found between the two race days. The heat loss mechanisms of racing greyhounds during the race through forced conduction, radiation, evaporation, and panting can be considered adequate when observing the calculated heat capacity of the dogs.http://dx.doi.org/10.1100/2012/182749
spellingShingle Mari Vainionpää
Esa-Pekka Tienhaara
Marja Raekallio
Jouni Junnila
Marjatta Snellman
Outi Vainio
Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the Race
The Scientific World Journal
title Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the Race
title_full Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the Race
title_fullStr Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the Race
title_full_unstemmed Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the Race
title_short Thermographic Imaging of the Superficial Temperature in Racing Greyhounds before and after the Race
title_sort thermographic imaging of the superficial temperature in racing greyhounds before and after the race
url http://dx.doi.org/10.1100/2012/182749
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