K. Haems, L. Van Brantegem, J. Van Erum, A. Garmyn
Marek’s disease (MD) has a high economic impact in poultry production worldwide. MD consists of several pathologic syndromes of which the most commonly encountered are lymphoproliferative syndromes such as acute MD. Sporadically, MD leads to central nervous system syndromes characterized by non-neoplastic brain pathology. In this case report, an onset of neurological signs on two different broiler farms, housing ‘slow-growing’ Hubbard JA 757 broilers, is described. On the first farm, clinical signs were observed from 42 days of age onwards and on the second farm, respectively from 42 (stable 1) and 30 days (stable 2) of age onwards. The neurological symptoms consisted of acute central nervous system signs, which started with flaccid neck paralysis. Histopathological examination revealed multifocal perivascular cuffing of CD3 positive mononuclear cells in the brain tissues. These findings pointed towards the development of transient paralysis. qPCR analysis confirmed the diagnosis. In broiler flocks, which only have a limited life span, vaccination is not common practice. In flocks of slow-growing breeds, outbreaks of MD might become more important again. Therefore, vaccination of slow-growing broilers against MD seems recommended.
{"title":"Central nervous system syndrome associated with Marek’s disease in Hubbard broilers","authors":"K. Haems, L. Van Brantegem, J. Van Erum, A. Garmyn","doi":"10.21825/vdt.85856","DOIUrl":"https://doi.org/10.21825/vdt.85856","url":null,"abstract":"Marek’s disease (MD) has a high economic impact in poultry production worldwide. MD consists of several pathologic syndromes of which the most commonly encountered are lymphoproliferative syndromes such as acute MD. Sporadically, MD leads to central nervous system syndromes characterized by non-neoplastic brain pathology. In this case report, an onset of neurological signs on two different broiler farms, housing ‘slow-growing’ Hubbard JA 757 broilers, is described. On the first farm, clinical signs were observed from 42 days of age onwards and on the second farm, respectively from 42 (stable 1) and 30 days (stable 2) of age onwards. The neurological symptoms consisted of acute central nervous system signs, which started with flaccid neck paralysis. Histopathological examination revealed multifocal perivascular cuffing of CD3 positive mononuclear cells in the brain tissues. These findings pointed towards the development of transient paralysis. qPCR analysis confirmed the diagnosis. In broiler flocks, which only have a limited life span, vaccination is not common practice. In flocks of slow-growing breeds, outbreaks of MD might become more important again. Therefore, vaccination of slow-growing broilers against MD seems recommended.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"10 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2023-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73095201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Anthelminthicumresistentie bij paarden – In welke mate zijn eikels giftig voor paarden
马的驱虫剂抗性——橡子对马有多有毒
{"title":"Vraag & Antwoord","authors":"E. Claerebout, S. Rutjens, D. Reckelbus","doi":"10.21825/vdt.85862","DOIUrl":"https://doi.org/10.21825/vdt.85862","url":null,"abstract":"Anthelminthicumresistentie bij paarden – In welke mate zijn eikels giftig voor paarden","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"121 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135029187","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In this paper, proliferative necrotizing otitis externa is described in two young cats. The lesions were characterized by proliferative, erosive to ulcerative dermatitis with necrosis affecting the medial aspect of the pinna, the entrance of the ear canal and the periaural skin of both ears. The lesions developed rapidly and were covered by adherent crusts. Histopathology of the lesions was characterized by severe epidermal hyperplasia, with parakeratotic hyperkeratosis, scattered apoptotic keratinocytes in the epidermis and superficial hair follicle epithelium, and serocellular crusts. In both cases, regression of the lesions appeared after systemic and topical immunomodulatory therapy.
{"title":"Proliferative necrotizing otitis externa in two young cats","authors":"E. J. Tjalsma, N. Meertens","doi":"10.21825/vdt.85859","DOIUrl":"https://doi.org/10.21825/vdt.85859","url":null,"abstract":"In this paper, proliferative necrotizing otitis externa is described in two young cats. The lesions were characterized by proliferative, erosive to ulcerative dermatitis with necrosis affecting the medial aspect of the pinna, the entrance of the ear canal and the periaural skin of both ears. The lesions developed rapidly and were covered by adherent crusts. Histopathology of the lesions was characterized by severe epidermal hyperplasia, with parakeratotic hyperkeratosis, scattered apoptotic keratinocytes in the epidermis and superficial hair follicle epithelium, and serocellular crusts. In both cases, regression of the lesions appeared after systemic and topical immunomodulatory therapy.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"13 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2023-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88355463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Geen meer gevreesde veeziekte bij nomadenvolkeren van de Sahel en Oost-Afrika dan runderpest. Wanneer de kwaal toeslaat, is dit voor de veehouders een catastrofe, misschien niet zo zeer omwille van de financiële gevolgen, maar veeleer door het verlies aan prestige en sociale waardigheid. Bij de bewoners van deze regio’s wordt immers traditioneel het bezit van veekudden, vooral runderen, aanzien als de voornaamste maatstaf voor rijkdom en gezag.
{"title":"Runderpestbestrijding in Ethiopië in 1953 - een ooggetuigenis -","authors":"F. Vandemaele","doi":"10.21825/vdt.85522","DOIUrl":"https://doi.org/10.21825/vdt.85522","url":null,"abstract":"Geen meer gevreesde veeziekte bij nomadenvolkeren van de Sahel en Oost-Afrika dan runderpest. Wanneer de kwaal toeslaat, is dit voor de veehouders een catastrofe, misschien niet zo zeer omwille van de financiële gevolgen, maar veeleer door het verlies aan prestige en sociale waardigheid. Bij de bewoners van deze regio’s wordt immers traditioneel het bezit van veekudden, vooral runderen, aanzien als de voornaamste maatstaf voor rijkdom en gezag.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"92 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85168980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Toom, J. Saunders, G. Vercauteren, R. Haesendonck, A. Quievy, E. Stock
A seven-year-old, female ring-tailed lemur was referred for progressive non-ambulatory paraplegia. A computed tomographic (CT) scan of the whole body revealed multifocal lytic lesions involving multiple vertebrae and several pathological vertebral fractures. Necropsy and histopathology identified pyogranulomatous osteomyelitis. The imaging and histopathological findings resemble chronic recurrent multifocal osteomyelitis described in human medicine.
{"title":"Imaging features of chronic recurrent multifocal osteomyelitis (CRMO) involving the vertebral column of a lemur with subsequent paraplegia due to pathological fractures","authors":"M. Toom, J. Saunders, G. Vercauteren, R. Haesendonck, A. Quievy, E. Stock","doi":"10.21825/vdt.85517","DOIUrl":"https://doi.org/10.21825/vdt.85517","url":null,"abstract":"A seven-year-old, female ring-tailed lemur was referred for progressive non-ambulatory paraplegia. A computed tomographic (CT) scan of the whole body revealed multifocal lytic lesions involving multiple vertebrae and several pathological vertebral fractures. Necropsy and histopathology identified pyogranulomatous osteomyelitis. The imaging and histopathological findings resemble chronic recurrent multifocal osteomyelitis described in human medicine.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":" 45","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72379338","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A. Singh, C. Debnath, R. Biswas, R. Barua, N. Gurung
Scedosporium apiospermum, an emerging opportunistic fungus, is increasingly implicated with serious invasive mycoses in immunocompromised patients. Rare occurrence and difficulty in identification of this species complicate the management of infection in dogs. In the present report, the characterization of a Scedosporium apiospermum isolate obtained from a dog’s skin wound is described. Identification was obtained through macroscopic and microscopic examination of the cultured isolate and by sequencing the internal transcribed spacer (ITS) gene of the rRNA region. Numerous hyaline septate hyphae along with conidia were observed histologically. The isolate exhibited low MIC values for voriconazole, itraconazole and isavuconazole while high MIC/MEC values were recorded for the remaining antifungals. To the best of the authors’ knowledge, this is the first reported case of isolation of S. apiospermum from a skin wound in a dog.
{"title":"Scedosporium apiospermum isolated from a skin wound in a dog and in vitro activity of eleven antifungal drugs","authors":"A. Singh, C. Debnath, R. Biswas, R. Barua, N. Gurung","doi":"10.21825/vdt.85518","DOIUrl":"https://doi.org/10.21825/vdt.85518","url":null,"abstract":"Scedosporium apiospermum, an emerging opportunistic fungus, is increasingly implicated with serious invasive mycoses in immunocompromised patients. Rare occurrence and difficulty in identification of this species complicate the management of infection in dogs. In the present report, the characterization of a Scedosporium apiospermum isolate obtained from a dog’s skin wound is described. Identification was obtained through macroscopic and microscopic examination of the cultured isolate and by sequencing the internal transcribed spacer (ITS) gene of the rRNA region. Numerous hyaline septate hyphae along with conidia were observed histologically. The isolate exhibited low MIC values for voriconazole, itraconazole and isavuconazole while high MIC/MEC values were recorded for the remaining antifungals. To the best of the authors’ knowledge, this is the first reported case of isolation of S. apiospermum from a skin wound in a dog.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"221 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79594559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Menniti, C. Baptista da Silva, M. C. Hottat, M. Hesta
Requests for homemade diets are becoming more common in general practice. It is essential that general practice veterinarians understand the advantages, drawbacks and risks of these diets to facilitate evidence-based discussions in the consult room. In the veterinary literature, it has been shown that many clients are choosing to feed homemade diets without consulting a qualified veterinary nutritionist. This may put their pets at risk of nutrient deficiencies. Calcium, phosphorus and vitamin D deficiencies appear to be common as evidenced by selected case studies. In this article, an overview is given of current homemade diet use in general practice, answers to why clients are interested in using them and how to have better discussions with clients about their use.
{"title":"Homemade diets for pets: reasons, risks and rewards","authors":"M. Menniti, C. Baptista da Silva, M. C. Hottat, M. Hesta","doi":"10.21825/vdt.85521","DOIUrl":"https://doi.org/10.21825/vdt.85521","url":null,"abstract":"Requests for homemade diets are becoming more common in general practice. It is essential that general practice veterinarians understand the advantages, drawbacks and risks of these diets to facilitate evidence-based discussions in the consult room. In the veterinary literature, it has been shown that many clients are choosing to feed homemade diets without consulting a qualified veterinary nutritionist. This may put their pets at risk of nutrient deficiencies. Calcium, phosphorus and vitamin D deficiencies appear to be common as evidenced by selected case studies. In this article, an overview is given of current homemade diet use in general practice, answers to why clients are interested in using them and how to have better discussions with clients about their use.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"27 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86781034","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
L. Ledeganck, F. Verdoodt, M. Hesta, I. Cornelis, L. Van Ham, S. Bhatti
Approximately thirty percent of the dogs with idiopathic epilepsy develop multidrug resistance. Therefore, the search for new non-drug treatment alternatives is important. There is a growing interest in the gut-brain axis and its role in the pathogenesis of epilepsy. The gut microbiota can influence brain function by different neural, endocrine, immune and metabolic pathways, but this process is not yet fully understood. In this study, five client-owned dogs with drug-resistant, idiopathic epilepsy received amoxicillin-clavulanic acid as add-on orally (mean duration 32 days (range 21-64 days)). The mean isolated epileptic seizure frequency of these five dogs was 3.3/ week (range 2.5-6.5) with a mean cluster seizure frequency of 0.9/week (range 0.4-1.5). During the amoxicillin-clavulanic acid treatment, three dogs showed complete seizure freedom, one dog showed an 80% decrease of both isolated epileptic seizure and cluster seizure frequency, and one dog showed an increase in isolated epileptic seizure and cluster seizure frequency of 54% and 38%, respectively. In the two-month follow-up period after cessation of the antibiotic administration, the mean isolated epileptic seizure and cluster seizure frequency increased again to 1.5 seizures/week (range 0.9-2.8) and 0.4 clusters/week (range 0.4-0.6), respectively. The preliminary results in this study highlight the need for future research into the role of the canine gut-brain axis in idiopathic epilepsy.
{"title":"The gut-brain axis: effect of antibiotics on canine drug-resistant idiopathic epilepsy","authors":"L. Ledeganck, F. Verdoodt, M. Hesta, I. Cornelis, L. Van Ham, S. Bhatti","doi":"10.21825/vdt.85520","DOIUrl":"https://doi.org/10.21825/vdt.85520","url":null,"abstract":"Approximately thirty percent of the dogs with idiopathic epilepsy develop multidrug resistance. Therefore, the search for new non-drug treatment alternatives is important. There is a growing interest in the gut-brain axis and its role in the pathogenesis of epilepsy. The gut microbiota can influence brain function by different neural, endocrine, immune and metabolic pathways, but this process is not yet fully understood. In this study, five client-owned dogs with drug-resistant, idiopathic epilepsy received amoxicillin-clavulanic acid as add-on orally (mean duration 32 days (range 21-64 days)). The mean isolated epileptic seizure frequency of these five dogs was 3.3/ week (range 2.5-6.5) with a mean cluster seizure frequency of 0.9/week (range 0.4-1.5). During the amoxicillin-clavulanic acid treatment, three dogs showed complete seizure freedom, one dog showed an 80% decrease of both isolated epileptic seizure and cluster seizure frequency, and one dog showed an increase in isolated epileptic seizure and cluster seizure frequency of 54% and 38%, respectively. In the two-month follow-up period after cessation of the antibiotic administration, the mean isolated epileptic seizure and cluster seizure frequency increased again to 1.5 seizures/week (range 0.9-2.8) and 0.4 clusters/week (range 0.4-0.6), respectively. The preliminary results in this study highlight the need for future research into the role of the canine gut-brain axis in idiopathic epilepsy.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"2007 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78887907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Een vijftien maanden oude, mannelijke, gecastreerde labrador retriever werd aangeboden met uitgesproken apathie, bruinrood verkleurde urine, polyurie en polydipsie. Differentiaaldiagnostisch werd initieel aan leptospirose, intoxicatie en acuut nierfalen gedacht. Uit het bloed- en urineonderzoek kon een zeer erge spierbeschadiging afgeleid worden. De eigenaars hadden de hond zien kauwen op een pensbolus met monensin. Monensin-intoxicatie uit zich onder andere in erge myopathie. Dit is een casusbeschrijving van een accidentele monensin-intoxicatie.
{"title":"Accidentele monensin-intoxicatie bij een hond","authors":"H. De Bosschere, E. Kindermans","doi":"10.21825/vdt.85519","DOIUrl":"https://doi.org/10.21825/vdt.85519","url":null,"abstract":"Een vijftien maanden oude, mannelijke, gecastreerde labrador retriever werd aangeboden met uitgesproken apathie, bruinrood verkleurde urine, polyurie en polydipsie. Differentiaaldiagnostisch werd initieel aan leptospirose, intoxicatie en acuut nierfalen gedacht. Uit het bloed- en urineonderzoek kon een zeer erge spierbeschadiging afgeleid worden. De eigenaars hadden de hond zien kauwen op een pensbolus met monensin. Monensin-intoxicatie uit zich onder andere in erge myopathie. Dit is een casusbeschrijving van een accidentele monensin-intoxicatie.","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"78 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75149435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Het hoornvlies vormt het voorste gedeelte van de buitenste laag van het oog en de doorzichtigheid ervan speelt een vitale rol in het oculaire refractieve systeem. Deze transparantie wordt bereikt door een combinatie van fysiologische en anatomische aanpassingen, waaronder een niet-verhoornd oppervlakte-epitheel, de relatieve acellulariteit, een gebrek aan pigment, lymfevaten en bloedvaten en niet-gemyeliniseerde corneazenuwen. Elk proces dat de epitheliale of stromale architectuur van het hoornvlies wijzigt, leidt tot meer corneapigment en bijdraagt tot de migratie van bloedvaten of predisponeert voor cornea-oedeem, tast deze doorzichtigheid aan en duidt op ziekten van het hoornvlies. Infecties en ontstekingen, evenals traumatische of operatie-geïnduceerde letsels van het hoornvlies zijn veelvoorkomende oorzaken van een dergelijk verlies van transparantie. Er zijn meerdere manieren om hoornvliesaandoeningen te classificeren, en de kleur van de aanwezige letsels zou de dierenarts kunnen helpen bij het bepalen van de onderliggende oorzaak en als leidraad kunnen dienen bij de keuze van de juiste therapie
{"title":"Kleuren van het hoornvlies bij kat en hond: wat betekenen ze?","authors":"M. Frejlich, E. Capiau","doi":"10.21825/vdt.85300","DOIUrl":"https://doi.org/10.21825/vdt.85300","url":null,"abstract":"Het hoornvlies vormt het voorste gedeelte van de buitenste laag van het oog en de doorzichtigheid ervan speelt een vitale rol in het oculaire refractieve systeem. Deze transparantie wordt bereikt door een combinatie van fysiologische en anatomische aanpassingen, waaronder een niet-verhoornd oppervlakte-epitheel, de relatieve acellulariteit, een gebrek aan pigment, lymfevaten en bloedvaten en niet-gemyeliniseerde corneazenuwen. Elk proces dat de epitheliale of stromale architectuur van het hoornvlies wijzigt, leidt tot meer corneapigment en bijdraagt tot de migratie van bloedvaten of predisponeert voor cornea-oedeem, tast deze doorzichtigheid aan en duidt op ziekten van het hoornvlies. Infecties en ontstekingen, evenals traumatische of operatie-geïnduceerde letsels van het hoornvlies zijn veelvoorkomende oorzaken van een dergelijk verlies van transparantie. Er zijn meerdere manieren om hoornvliesaandoeningen te classificeren, en de kleur van de aanwezige letsels zou de dierenarts kunnen helpen bij het bepalen van de onderliggende oorzaak en als leidraad kunnen dienen bij de keuze van de juiste therapie","PeriodicalId":23487,"journal":{"name":"Vlaams Diergeneeskundig Tijdschrift","volume":"82 1","pages":""},"PeriodicalIF":0.2,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81685078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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