Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit Population

Lop-eared and brachycephalic conformations have inconsistently been associated with dental abnormalities in pet and rescue rabbit populations. We investigated conformational risk factors for dental abnormalities in a pedigree population where conformation could be confirmed. Otoscopic oral examinati...

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Main Authors: Maria A. Jackson, Michaela Betts, Joanna Hedley, Charlotte C. Burn
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Animals
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Online Access:https://www.mdpi.com/2076-2615/15/7/980
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author Maria A. Jackson
Michaela Betts
Joanna Hedley
Charlotte C. Burn
author_facet Maria A. Jackson
Michaela Betts
Joanna Hedley
Charlotte C. Burn
author_sort Maria A. Jackson
collection DOAJ
description Lop-eared and brachycephalic conformations have inconsistently been associated with dental abnormalities in pet and rescue rabbit populations. We investigated conformational risk factors for dental abnormalities in a pedigree population where conformation could be confirmed. Otoscopic oral examination was performed on breeder-volunteered pedigree rabbits at British Rabbit Council shows and studs. Multivariable models were used for risk factor analysis of 14 possible dental disease signs. In 435 rabbits examined, 68.28% showed no incisor abnormalities and 55.40% showed no cheek teeth abnormalities. Lop-eared rabbits had higher odds than erect-eared rabbits for ocular discharge (odds ratio [OR]: 4.034, <i>p</i> = 0.007) but not for any dental abnormalities. Erect-eared rabbits showed higher odds of reacting to incisor examination than lop-eared rabbits (OR: 1.666, <i>p</i> = 0.003). Brachycephaly showed no associations with dental abnormalities, whilst more dolichocephalic rabbits had increased odds of cheek teeth step or wave mouth (OR: 1.394, <i>p</i> = 0.004). Other conformational and signalment-related risk factor results were mixed. Brachycephaly showed no significant predisposition to dental abnormalities, and the clinical relevance of predisposition to ocular discharge in lop-eared rabbits is unclear. Conformation appears less important than husbandry factors for preventing rabbit dental disease. Generalising the results to companion rabbits is not advised due to husbandry and population differences.
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spelling doaj-art-c14d2d28f4264e2792ab7228024d19c52025-08-20T03:06:27ZengMDPI AGAnimals2076-26152025-03-0115798010.3390/ani15070980Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit PopulationMaria A. Jackson0Michaela Betts1Joanna Hedley2Charlotte C. Burn3Department of Pathobiology and Population Sciences, The Royal Veterinary College, Hawkshead Lane, Hatfield AL9 7TA, UKDepartment of Pathobiology and Population Sciences, The Royal Veterinary College, Hawkshead Lane, Hatfield AL9 7TA, UKBeaumont Sainsbury Animal Hospital, The Royal Veterinary College, Royal College Street, London NW1 0TU, UKDepartment of Pathobiology and Population Sciences, The Royal Veterinary College, Hawkshead Lane, Hatfield AL9 7TA, UKLop-eared and brachycephalic conformations have inconsistently been associated with dental abnormalities in pet and rescue rabbit populations. We investigated conformational risk factors for dental abnormalities in a pedigree population where conformation could be confirmed. Otoscopic oral examination was performed on breeder-volunteered pedigree rabbits at British Rabbit Council shows and studs. Multivariable models were used for risk factor analysis of 14 possible dental disease signs. In 435 rabbits examined, 68.28% showed no incisor abnormalities and 55.40% showed no cheek teeth abnormalities. Lop-eared rabbits had higher odds than erect-eared rabbits for ocular discharge (odds ratio [OR]: 4.034, <i>p</i> = 0.007) but not for any dental abnormalities. Erect-eared rabbits showed higher odds of reacting to incisor examination than lop-eared rabbits (OR: 1.666, <i>p</i> = 0.003). Brachycephaly showed no associations with dental abnormalities, whilst more dolichocephalic rabbits had increased odds of cheek teeth step or wave mouth (OR: 1.394, <i>p</i> = 0.004). Other conformational and signalment-related risk factor results were mixed. Brachycephaly showed no significant predisposition to dental abnormalities, and the clinical relevance of predisposition to ocular discharge in lop-eared rabbits is unclear. Conformation appears less important than husbandry factors for preventing rabbit dental disease. Generalising the results to companion rabbits is not advised due to husbandry and population differences.https://www.mdpi.com/2076-2615/15/7/980animal welfareconformation<i>Oryctolagus cuniculus</i>risk factorsselective breedingteeth
spellingShingle Maria A. Jackson
Michaela Betts
Joanna Hedley
Charlotte C. Burn
Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit Population
Animals
animal welfare
conformation
<i>Oryctolagus cuniculus</i>
risk factors
selective breeding
teeth
title Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit Population
title_full Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit Population
title_fullStr Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit Population
title_full_unstemmed Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit Population
title_short Rabbit Dental Abnormalities: Investigation of Conformational Risk Factors in a Pedigree Rabbit Population
title_sort rabbit dental abnormalities investigation of conformational risk factors in a pedigree rabbit population
topic animal welfare
conformation
<i>Oryctolagus cuniculus</i>
risk factors
selective breeding
teeth
url https://www.mdpi.com/2076-2615/15/7/980
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AT michaelabetts rabbitdentalabnormalitiesinvestigationofconformationalriskfactorsinapedigreerabbitpopulation
AT joannahedley rabbitdentalabnormalitiesinvestigationofconformationalriskfactorsinapedigreerabbitpopulation
AT charlottecburn rabbitdentalabnormalitiesinvestigationofconformationalriskfactorsinapedigreerabbitpopulation