Update on Diseases of Chinchillas

Mans, Christoph; Donnelly, Thomas M.

doi:10.1016/j.cvex.2013.01.007

Cited by 23 publications

(23 citation statements)

References 47 publications

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“…Seventy-four percent of the sick or injured free-range population had PD, a similar rate has been identified in other herbivorous species. (du Toit et al, 2009b, Mans andDonnelly, 2013) In most species, periodontal disease is generally regarded as a condition that is not seen in the young. In this study, a similar finding was discovered.…”

Section: 5mentioning

confidence: 99%

Oral health in South East Queensland Koalas: Prevalence of periodontal disease and other pathologies

Pettett¹

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The koala (Phascolarctos cinereus) is one of Australia's most highly specialised folivores with a diet exclusively of eucalyptus leaves to provide all nutritive needs. For this it is dependent on good dentition for optimal health and quality of life. The purpose of this study was to characterise and describe the level of oral health and disease in koalas and then create tools for ongoing analysis.The historical records over a 17-year period were noted for the koalas admitted to the Moggill Koala Hospital in South East Queensland. Further, in this study the conclusions were that oral health issues when they existed were only being identified as "low key" due to the lack of investigative tools being used during examinations. This provided the reasoning and impetus behind developing tools to determine the true extent of oral health conditions in the koala. A suitable assessment tool for diagnosing the oral health was designed based on the index scoring methodology and the layout of the Moggill Koala Hospital admission chart, a new oral health chart template was developed. The chart was based on examination of 30 "free-range koalas" and validation and quality assurance analysis of four examiners of varying qualifications. The chart was separated into three sections; containing general animal information such as sex, age, and current systemic health; the General Oral Cavity section and containing information on 12 koala-specific health questions and finally a section on the periodontal health. The charting data is multifunctional with analysis of individual koalas, (sex, group or age). The data from each section provided an index value that was compatible with values from other species clinical charting systems.Using the chart, populations of 200 "free-range" and 95 captive koalas (from three zoos) were examined. Three major indexes were developed during the chart development process and used the following equation; General Oral Cavity (GOCI) + Oral Health Index (OHI) = Final Oral Health Index (FOHI). Initially, the three major index values plus all additional information of each chart were analysed to show the current baseline values of oral health conditions in the koala. Any ii comparison based on singular or multiple animals would either show a decline, same rate or increase from the baseline. These baseline parameters could be compared against any other species that uses the same 0-3 index system.The proportion of koalas from the whole population with an orally related problem was 86%.The average FOHI for the koala as a species was 3.78 ± 3.19, median 3.00. This is the mild category and held 84.5% of all cases. The maximum scores for the groups showed Zoo 3 as having lower range (Zoo 1; 11.42 for a TWC 1 male, Zoo 2; 13.40, Zoo 3; 4.13 and "free-range"; 15.98). The third zoo was the only group to have also had significantly better oral health than "free-range" koalas.Captive koalas showed high scoring at young age (11.42), the "free-range" comparable age score was 3.84. At population level when controlli...

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Section: 5mentioning

confidence: 99%

Oral health in South East Queensland Koalas: Prevalence of periodontal disease and other pathologies

Pettett¹

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“…5; Figs. [6][7][8][9]. Complete assessment of the external ear includes evaluation of Excessive debris and cerumen accumulation (see Fig.…”

Section: Video Otoscopy In Exotic Companion Mammalsmentioning

confidence: 99%

“…[6][7][8] When evaluating the middle ear through the intact tympanic membrane, the surgeon may visualize the presence of yellowish exudate behind the pars tensa. Particularly in rats, otitis media is commonly presented with the pars flaccida bulging into the external ear canal, therefore, hindering the evaluation of the pars tensa (Figs.…”

Section: Myringotomymentioning

confidence: 99%

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Video Otoscopy in Exotic Companion Mammals

Jekl

Hauptman

Knotek

2015

Veterinary Clinics of North America: Exotic Animal Practice

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“…Chinchillas have been domesticated for about 100 years and in the past were predominately bred for their fur. Nowadays, chinchillas are increasingly popular as companion animals and are also used extensively as animal models in human otological disease research (Mans & Donnelly ). Chinchillas are long‐lived hystricomorphic rodents, originating from an extreme environment in the South American Andes, which is characterised by low humidity, and extreme temperature fluctuations (Quesenberry et al .…”

Section: Introductionmentioning

confidence: 99%