Veterinary dermatology最新文献

{"title":"Skin disease in sheep (Ovis aries): A retrospective report of 299 cases at a university veterinary medical teaching hospital (1986-2020).","authors":"Emma E Lauth, Stephen D White, Sarah M Depenbrock, Grace VanHoy, Meera C Heller, Munashe Chigerwe, Verena K Affolter","doi":"10.1111/vde.13338","DOIUrl":"10.1111/vde.13338","url":null,"abstract":"<p><strong>Background: </strong>Skin diseases in sheep are important animal health and production problems, especially in wool-producing sheep.</p><p><strong>Hypothesis/objectives: </strong>To document the type, signalment, associations and prevalence of skin disease in a referral hospital population.</p><p><strong>Animals: </strong>Case population at a university veterinary medical teaching hospital.</p><p><strong>Materials and methods: </strong>Retrospective study by searching computerised medical records of sheep examined between 1 January 1986 and 1 January 2021.</p><p><strong>Keywords: </strong>'alopecia, Arcanobacterium pyogenes, Corynebacterium, Demodex, dermatitis, Dermatophilus, dermatophyte, ectoparasite, examination, fibre damage, foot rot, fungus, interdigital necrobacillosis, itching, lice, Malassezia, melanoma, mite, pruritus, rubbing, scabies, skin, SCC, squamous cell carcinoma, Staphylococcus, Trueperella pyogenes, wool break, wool loss'.</p><p><strong>Results: </strong>Two thousand and two records, totalling 11,799 sheep, had the age, breed and sex reported. Older sheep were more likely to present with skin disease (p < 0.0001; standard deviation 36.6 ± 1.15 confidence interval). The American Merino, East Friesian, Rambouillet, Suffolk and Shetland breeds were at higher risk of developing skin disease (p < 0.0001). Males, whether rams or wethers, were more likely to present with skin disease than ewes (p = 0.0019). Owing to the lack of dermatological examination reported, the four largest flocks (a total of 7,892 sheep) were excluded from disease analysis. Of the remaining 3,907 sheep, 299 (7.6%) had skin disease recorded. The most common diagnoses made were pododermatitis, bacterial abscesses, squamous cell carcinoma and myiasis. Fifty-five of 299 sheep were presented primarily for nonskin disease.</p><p><strong>Conclusions and clinical relevance: </strong>Clinicians should include a dermatological examination in sheep regardless of the reason for presentation.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"321-331"},"PeriodicalIF":1.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143650232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A retrospective, multicentric controlled study of the effect of specific allergen immunotherapy on medication needs in cats with atopic skin syndrome.","authors":"Thomas Brément, Emmanuel Bensignor, Emilie Vidémont Drevon-Gaillot, Maria-Dolores Sanchez, Sarah Pariente, Sébastien Viaud","doi":"10.1111/vde.13333","DOIUrl":"10.1111/vde.13333","url":null,"abstract":"<p><strong>Background: </strong>Intradermal allergen testing (IDT) and allergen-specific immunotherapy (ASIT) remain underrated in feline dermatology.</p><p><strong>Hypothesis/objectives: </strong>The objectives of this retrospective study were to report the results of IDT and the effects of ASIT on the medication needs in a population of 158 cats diagnosed with feline atopic skin syndrome (FASS).</p><p><strong>Materials and methods: </strong>FASS was diagnosed after the exclusion of other pruritic conditions. IDT was performed under sedation/anaesthesia in 158 cats; in 136 of them, intravenous fluorescein and a Wood's lamp were used to facilitate interpretation. The medication scores were compared between cats with and without ASIT over a 1-year follow-up period.</p><p><strong>Results: </strong>IDT was interpretable in 153 cats (97%) of which no specific sensitisation could be detected in 53 cases (35%). Among the remaining 100 (65%) cats, polysensitisation and monosensitisation were observed in 78 and 22 cases, respectively. Cats were sensitised to house dust mites (HDM; 74%) including Dermatophagoides farinae (67%) and D. pteronyssinus (27%); storage mites (SM; 44%) including Tyrophagus putrescentiae (27%), Acarus siro (32%) and Lepidoglyphus destructor (8%); moulds (7%); grasses (18%); weeds (19%); tree pollens (19%); and fleas (17%). ASIT was initiated in 78 of 100 cats, and a 1-year follow-up period was available for 42. ASIT had no effect in 11 cats (26%). In the remaining 31 cats (74%), ASIT was associated with a significant reduction (≥ 30%) in medication scores.</p><p><strong>Conclusions and clinical relevance: </strong>ASIT is associated with a sparing effect in a significantly greater number of treated cats than untreated ones.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"332-342"},"PeriodicalIF":1.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143606492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative efficacy of selenoureido carbonic anhydrase inhibitors and azole antifungal drugs against clinical isolates of Malassezia pachydermatis.","authors":"Costanza Spadini, Nicolò Mezzasalma, Amienwanlen Eugene Odigie, Andrea Angeli, Fabrizio Carta, Silvia Selleri, Emanuele Gandolfo, Simone Taddei, Valentina Franceschi, Sergio Minesso, Claudiu T Supuran, Clotilde Silvia Cabassi","doi":"10.1111/vde.13336","DOIUrl":"10.1111/vde.13336","url":null,"abstract":"<p><strong>Background: </strong>Malassezia pachydermatis (MP) is implicated in severe dermatitis and otitis externa (OE) of companion animals and recently gained attention for its increasing resistance to azole compounds. For this reason, developing novel therapeutic strategies is of great interest. In a previous work, we used reference yeast isolates to evaluate several compounds bearing acyl/selenoureido moieties and primary/secondary sulfonamide groups for antifungal activity through organic selenium and carbonic anhydrase inhibition.</p><p><strong>Objectives: </strong>This work aimed to evaluate the antifungal efficacy of eight selenoureido compounds on 36 clinical MP isolates from dogs, compared to selected azoles, notably ketoconazole (KCZ), miconazole (MCZ) and fluconazole (FCZ).</p><p><strong>Materials and methods: </strong>MIC assays of 5g, 7a, 7c, 7k, 8c, 10c, 11b, 11f, KCZ, MCZ and FCZ were performed on 36 MP field isolates isolated from dogs affected by dermatitis and/or OE in which yeast aetiology was suspected. Minimum 50% and 90% inhibitory concentrations (MIC₅₀ and MIC₉₀) were calculated. MP identification was confirmed with a nested PCR for the internal transcribed spacer region of the rRNA gene.</p><p><strong>Results: </strong>Overall, the MIC₅₀ of the tested compounds on MP field isolates was higher than the MICs obtained on reference MP DSM 6172. Although KCZ showed the lowest MIC₅₀ value, compounds 5g, 7a and 7k showed lower MIC₅₀s than MCZ and FCZ. Five clinical isolates showed a MIC on azoles >MIC₉₀. Compounds 7a (four of five), 10c (three of five) and 8c (three of five) showed lower MIC values on these isolates compared to the tested azoles, suggesting good activity in phenotypically azole-resistant MP.</p><p><strong>Conclusions and clinical relevance: </strong>Considering the increasing azole resistance of the Malassezia genus, selenoureido compounds could represent a potential topical treatment for dog skin and ear mycotic infections.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"302-313"},"PeriodicalIF":1.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12058572/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143650230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A blinded randomised split-body clinical trial evaluating the effect of fluorescent light energy on antimicrobial management of canine interdigital furunculosis.","authors":"A Lange, U Mayer, E Bensignor, L Cornegliani, D Ferreira, I Matricoti, M Mosca, L Ordeix, D Pin, F Scarampella, E Videmont, A Yu, O Fantini","doi":"10.1111/vde.13340","DOIUrl":"10.1111/vde.13340","url":null,"abstract":"<p><strong>Background: </strong>Canine interdigital furunculosis (CIF) is a complex, relapsing inflammatory condition, typically complicated by deep bacterial infections requiring prolonged systemic antibiotics.</p><p><strong>Hypothesis/objectives: </strong>This split-body study, where dogs acted as their own control, evaluated whether the adjunctive use of fluorescent light energy (FLE) could shorten the time to clinical resolution of CIF and minimise systemic antimicrobial use.</p><p><strong>Animals: </strong>Thirty-five client-owned dogs with signs of interdigital furunculosis in at least two paws.</p><p><strong>Materials and methods: </strong>This prospective, single-blinded, randomised, split-body multicentre clinical trial treated dogs with systemic antibiotics based on bacterial culture and sensitivity. One paw per dog was randomly selected using a coin-toss method for weekly FLE application, while the other paw served as a control. Dogs were scored every 2 weeks over 56 days on two parameters: a global lesion score (including haemorrhagic vesicles, fistulae with draining tracts, crusts and ulcers) and neutrophils engulfing bacteria score (NES, 0-4). Time to clinical resolution and lesion scores were assessed and compared between groups.</p><p><strong>Results: </strong>At Day (D)28 and D56, the FLE group showed significantly more healed paws (50% and 88%, p = 0.021) compared to the control (17% and 54%, p = 0.008). The median time to clinical resolution was shorter for the FLE group (35 days) compared to the control group (56 days, p = 0.017). No difference in NES score was observed between groups.</p><p><strong>Conclusions and clinical relevance: </strong>This blinded, randomised, split-body clinical trial demonstrated that FLE is an effective adjunctive therapy for CIF. It reduces the time to clinical resolution and increases the resolution rate while minimising the need for antibiotics.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"291-301"},"PeriodicalIF":1.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12058574/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143674577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intragenic PNPLA1 duplication in Labrador retrievers with nonepidermolytic ichthyosis.","authors":"Stefan J Rietmann, Jennifer L Clegg, Vidhya Jagannathan, Dominique J Wiener, Angelica Kallenberg, Robert A Grahn, Clarissa P Souza, Tosso Leeb","doi":"10.1111/vde.13341","DOIUrl":"10.1111/vde.13341","url":null,"abstract":"<p><strong>Background: </strong>Ichthyoses represent a heterogeneous group of cornification disorders characterised by epidermal scaling.</p><p><strong>Objectives: </strong>To describe the clinical, histopathological and genetic analysis of a Labrador retriever with nonepidermolytic ichthyosis, and the results of a population screening for a newly detected PNPLA1 genomic duplication.</p><p><strong>Animals: </strong>Two 7-year-old male littermates, 531 population samples.</p><p><strong>Materials and methods: </strong>Clinical and histopathological analysis, whole genome sequencing and digital PCR-based genotyping were performed.</p><p><strong>Results: </strong>Generalised scaling and histological laminar orthokeratotic hyperkeratosis confirmed the ichthyosis diagnosis on Dog 1. Dog 2 showed mild clinical signs possibly associated with allergies and not ichthyosis. The genome of Dog 1 was sequenced and compared to 1469 genetically diverse control genomes. The analysis identified a 6099-bp duplication spanning three internal exons of the PNPLA1 gene, which is predicted to result in an altered C-terminal tail of the protein, NP_001277038.2:p.(E558Lfs*17). Dog 2 had a heterozygous genotype and carried one copy of the duplicated PNPLA1 allele. Of the screened 531 additional Labrador retrievers, 491 were homozygous wild-type, 36 were heterozygous carriers and four carried the duplication in a homozygous state.</p><p><strong>Conclusions and clinical relevance: </strong>Previously identified PNPLA1 variants cause autosomal recessive ichthyosis in golden retrievers and humans. Given the well-established function of PNPLA1, the identified genomic duplication represents a likely candidate causal variant for the observed ichthyosis in the examined Labrador retriever. This is the first report of a new form of autosomal recessive ichthyosis in Labrador retrievers, which provides the basis for genetic testing.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"314-320"},"PeriodicalIF":1.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12058569/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143731987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Claw growth rates in a subset of adult, indoor, domestic cats (Felis catus).","authors":"Elena T Contreras, Kate Bruner, Courtney Hegwer, Andrew Simpson","doi":"10.1111/vde.13335","DOIUrl":"10.1111/vde.13335","url":null,"abstract":"<p><strong>Background: </strong>Keratinised tissues, such as nails and claws, accumulate hormones over time; the claws' hormone concentrations are being explored as potential biomarkers. Timelines for hormone deposition can be established if claw growth rates are known. Hormone concentration within cat claws has been recently evaluated, yet the growth rates of cat claws remain unknown.</p><p><strong>Hypothesis/objectives: </strong>To estimate the growth rate of adult cats' claws, we hypothesised that front claw growth rates would differ from those of rear claws.</p><p><strong>Animals: </strong>Seventeen client-owned, indoor, neutered, adult cats.</p><p><strong>Materials and methods: </strong>Cats' claws were clipped and then measured lengthwise. Claws were repeatedly measured over time with repeat claw trims after approximately 1 month, followed by repeat measurements. Average claw growth rates were calculated for three digit groups: forelimb digit 1, forelimb digits 2-5 (front) and hind limb (rear). Growth rates of the front compared to the rear and digit 1 were compared through linear mixed effects regression modelling.</p><p><strong>Results: </strong>The daily mean claw growth rates were 0.13 mm for front and digit 1, and 0.08 mm for rear. The growth rate of rear claws was significantly lower (p < 0.001) than for front claws; rear claws grew, on average, 0.04 mm less per day than front claws.</p><p><strong>Conclusions and clinical relevance: </strong>Our study provides the first measurement of claw growth rates in cats. The significantly slower growth rate of rear claws compared to front claws should be considered when evaluating metabolites within cat claws.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"362-367"},"PeriodicalIF":1.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12058566/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143606493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect on Staphylococcus species isolation from a 72-h transport delay of canine pyoderma samples to a microbiology laboratory.","authors":"L Tongen, N Heinrich, M Mcgilliard","doi":"10.1111/vde.13337","DOIUrl":"10.1111/vde.13337","url":null,"abstract":"<p><strong>Background: </strong>The submission of bacterial cultures to an off-site microbiology laboratory is standard practice in veterinary medicine. The effects of a transport delay on culture results from canine pyoderma samples remain unknown.</p><p><strong>Hypothesis/objectives: </strong>The first objective was to evaluate the reliability of Staphylococcus species isolation by aerobic bacterial cultures from samples collected from canine pyoderma when transported to a microbiology laboratory on the collection day. The second objective was to evaluate the effect of a 72-h transport delay on Staphylococcus spp. isolation and antibiotic susceptibilities.</p><p><strong>Animals: </strong>Thirty client-owned dogs with pyoderma that presented to a private dermatology clinic were included in this study.</p><p><strong>Materials and methods: </strong>Three sterile culturettes were used to sequentially swab one pyoderma lesion per dog. Two samples were transported on the collection day (immediate cultures), while one was refrigerated for 72 h before transportation to a microbiology laboratory. Ninety cultures were performed and the results compared.</p><p><strong>Results: </strong>There was good reliability of Staphylococcus spp. isolation between the immediate cultures. There was no significant difference in the Staphylococcus spp. isolation, Staphylococcus spp. methicillin resistance or Staphylococcus pseudintermedius antibiotic susceptibilities with a 72-h transport delay, with the exception of chloramphenicol susceptibilities.</p><p><strong>Conclusions and clinical relevance: </strong>Cultures from canine pyoderma can have good reliability of Staphylococcus spp. isolation when submitted to a microbiology laboratory on the collection day. Cultures that are delayed at 4°C for ≤72 h can still have reliable results regarding S. pseudintermedius isolation and susceptibilities.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"343-352"},"PeriodicalIF":1.9,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143664788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Successful bacteriophage therapy of pyoderma caused by methicillin-resistant Staphylococcus pseudintermedius in a dog.","authors":"Cátia Mota Sá, Cláudia Rodrigues, Vanessa Silva, Joana Azeredo, Luís D R Melo","doi":"10.1111/vde.13328","DOIUrl":"10.1111/vde.13328","url":null,"abstract":"<p><p>Pyoderma caused by methicillin-resistant Staphylococcus pseudintermedius poses significant challenges to canine health. Successful therapy requires an integrated approach to prudent antimicrobial use. This report describes the successful treatment of a dog with generalised superficial pyoderma using a topical formulation of S. pseudintermedius phage applied once daily for a period of 30 days.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"227-230"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143415435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Topical dexamethasone decelerates epithelial migration on the canine tympanic membrane.","authors":"Jihyun Kim, Taeho Oh, Seulgi Bae","doi":"10.1111/vde.13314","DOIUrl":"10.1111/vde.13314","url":null,"abstract":"<p><strong>Background: </strong>Epithelial migration (EM) is integral to normal ear structure and function. Glucocorticoids are considered the first-line therapy for various external ear disorders; however, their effects on EM on the tympanic membrane (TM) and the external auditory canal (EAC) are understudied.</p><p><strong>Hypothesis/objectives: </strong>To test the hypothesis that topical dexamethasone decelerates EM on the TM, this study aimed to evaluate the effects of topical dexamethasone on EM on the TMs of dogs.</p><p><strong>Animals: </strong>Seven ears of four healthy dogs.</p><p><strong>Materials and methods: </strong>The migration distance of an ink drop deposited on the posterior quadrant of the pars tensa (TM EM rate) of dogs was calculated over 3 weeks from images captured with a video-otoscope. The results were compared by paired Student's t-test to those obtained from a subsequent experiment in which the same dogs were administered a fresh ink drop at the same position as previously (control group), yet additionally administered 0.1% dexamethasone (0.2 mL/ear) daily for the first 14 days (treatment group).</p><p><strong>Results: </strong>One of eight ears was excluded because of an anatomical problem. The TM EM rate of the remaining seven ears decreased by 46.74% in the treatment group compared with the control group (p < 0.05).</p><p><strong>Conclusions and clinical relevance: </strong>Topical dexamethasone decelerates EM on the TM of normal dogs' ears. In turn, it is extrapolated that debris removal from the EAC may be slowed, negatively impacting the EAC environment. Consequently, when dogs with otitis receive topical dexamethasone treatment, additional treatment, such as ear canal cleaning, may be required to minimise the effects of impaired TM EM.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"159-164"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142795181","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cutaneous disorders in captive psittacines, a retrospective study of 1454 cases at a university veterinary teaching hospital (1988-2021).","authors":"Stephen D White, Hugues Beaufrère, David S-M Guzman, Verena K Affolter, Lisa A Tell, Joanne Paul-Murphy, Michelle G Hawkins","doi":"10.1111/vde.13320","DOIUrl":"10.1111/vde.13320","url":null,"abstract":"<p><strong>Background: </strong>Psittacines (parrots and their allies) are kept under human care as companion animals, live exhibit specimens in zoological institutions and occasionally as research subjects. Cutaneous disorders such as feather destructive behaviour (FDB) and pododermatitis are commonly noted in clinical reviews, case reports and text book chapters.</p><p><strong>Hypothesis/objectives: </strong>To document the type, signalment associations and prevalence of cutaneous disorders in a large number of captive psittacines in an academic referral teaching hospital population.</p><p><strong>Animals: </strong>Case population at a university veterinary teaching hospital.</p><p><strong>Methods and materials: </strong>Retrospective study using computerised medical records of birds (psittacine and non-psittacine) examined between 1 January 1988 and 31 December 2021. Inclusion criteria were records of psittacines with dermatological diagnoses.</p><p><strong>Results: </strong>Of 3472 psittacines, 1454 (41.9%) had cutaneous disease. Age was strongly associated with an increased risk of cutaneous diseases. The most common cutaneous disorders were pododermatitis (n = 729) and FDB (n = 528). Female sex and increased age were associated with significantly higher odds of FDB, as were the genera Cacatua (cockatoos), Psittacus (African grey parrots), Ara (macaws) and Agapornis (lovebirds). Increased age and the genus Agapornis also were associated with significantly higher odds of pododermatitis. The most common infectious disease was mite (presumed Knemidocoptes) infestation, almost exclusively seen in budgerigars; increased age was associated with significantly lower odds of having mites.</p><p><strong>Conclusions and clinical relevance: </strong>Pododermatitis and FDB were the most common cutaneous disorders in psittacines. As 50% of psittacines with skin disease presented for nonskin concerns, clinicians should perform a dermatological examination regardless of the reason for presentation.</p>","PeriodicalId":23599,"journal":{"name":"Veterinary dermatology","volume":" ","pages":"205-217"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142955753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}