A follow-up study of exercise test results and severity of brachycephalic obstructive airway syndrome signs in brachycephalic dogs

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Aromaa , M , Rajamäki , M M & Lilja-Maula , L 2021 , ' A follow-up study of exercise test results and severity of brachycephalic obstructive airway syndrome signs in brachycephalic dogs ' , Animal Welfare , vol. 30 , no. 4 , pp. 441-448 . https://doi.org/10.7120/09627286.30.4.007

Title: A follow-up study of exercise test results and severity of brachycephalic obstructive airway syndrome signs in brachycephalic dogs
Author: Aromaa, M.; Rajamäki, M. M.; Lilja-Maula, L.
Contributor organization: Equine and Small Animal Medicine
Faculty of Veterinary Medicine
Helsinki One Health (HOH)
Departments of Faculty of Veterinary Medicine
Veterinary Teaching Hospital
Date: 2021-11
Language: eng
Number of pages: 8
Belongs to series: Animal Welfare
ISSN: 0962-7286
DOI: https://doi.org/10.7120/09627286.30.4.007
URI: http://hdl.handle.net/10138/340402
Abstract: To promote successful breeding against brachycephalic obstructive airway syndrome (BOAS), it is important to assess how BOAS signs progress during young adulthood and how evaluation age and ageing affect the results of chosen breeding selection tools. The aims of this study were to assess how veterinary-assessed and owner-reported BOAS signs and exercise test results change when dogs age. Eight English Bulldogs, 25 French Bulldogs, and 31 Pugs that had undergone previous evaluation were re-examined 2- 3 years later. An owner questionnaire regarding BOAS signs, a veterinary assessment of BOAS severity, and exercise, ie walk tests were re-performed. In Pugs, both 6-min walking distance and 1,000-m time worsened and the initial evaluation age had a significant effect on the 1,000-m time. No significant changes were seen in the results of the French Bulldogs but a negative effect on the 1,000-m time was seen with weight gain. Exercise test statistics were not performed with regard to English Bulldogs due to low sample size. The veterinary-assessed BOAS severity class remained the same in the majority of dogs and the BOAS grade worsened mostly in those dogs that were initially evaluated at less than two years of age. Most owners reported no major changes in BOAS severity. BOAS grading and walk tests were easy to repeat and results remained relatively constant in dogs initially evaluated at over two years of age, supporting the use of these breeding selection tools. However, further, large-scale offspring studies are still needed.
Subject: animal welfare
brachycephalic obstructive airway syndrome
English Bulldog
French Bulldog
Pug
walk test
AIRWAY-OBSTRUCTION
SURGICAL-CORRECTION
DOGS
WELFARE
OBESITY
SIGNS
PUGS
413 Veterinary science
Peer reviewed: Yes
Rights: cc_by_nc_nd
Usage restriction: openAccess
Self-archived version: publishedVersion


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