2011
DOI: 10.1590/s0100-736x2011000900004
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Surto de abscesso mandibular por Pseudomonas aeruginosa em ovinos

Abstract: Descreve-se um surto de abscesso mandibular em ovelhas da raça Bergamácia no município de Botucatu, estado de São Paulo. Do rebanho de 120 animais, 35 apresentaram aumento de volume mandibular com a presença de nódulos únicos, de consistência pétrea, de diferentes tamanhos, fistulados ou não e sem indicativos de inflamação dos tecidos moles adjacentes. Os animais eram criados em pasto de Panicum maximum cv. Tanzânia com água e sal mineral ad libitum e everminados, via oral, com pistolas dosificadoras. O materi… Show more

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Cited by 3 publications
(6 citation statements)
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“…The individual prevalence obtained in our study (5.5%) was similar to that obtained by other authors in a study carried out on European domestic sheep (5%) [28]. Although higher individual prevalences of oral lesions have been described in the literature, these are always associated with outbreaks related to the entry of a highly pathogenic microorganism onto the farm [29][30][31][32].…”
Section: Discussionsupporting
confidence: 89%
See 1 more Smart Citation
“…The individual prevalence obtained in our study (5.5%) was similar to that obtained by other authors in a study carried out on European domestic sheep (5%) [28]. Although higher individual prevalences of oral lesions have been described in the literature, these are always associated with outbreaks related to the entry of a highly pathogenic microorganism onto the farm [29][30][31][32].…”
Section: Discussionsupporting
confidence: 89%
“…A high prevalence of mandibular inflammation was also reported in sheep, with 15% of domestic ewes affected [29]. Furthermore, outbreaks of mandibular osteomyelitis caused by Pseudomona aeruginosa have been reported in Brazil, Iran, and Spain, with prevalences of 12.0% [30], 20.0% [31], and 29.2% [32].…”
Section: Introductionmentioning
confidence: 98%
“…However, some reports associate these disorders with a specific microorganism. That is the case of several outbreaks of acute mandibular osteomyelitis caused by Pseudomonas aeruginosa that were reported in Brazil, Iran, and Spain [8][9][10]. In the present study, Trueperella pyogenes and Escherichia coli were isolated in a high percentage in OMO lesions (7.26% and 6.22%, respectively) and rarely isolated in healthy animals (0.00% and 2.20%).…”
Section: Discussionsupporting
confidence: 53%
“…In these cases, plant material has been found between the teeth and the alveolar bone, which provides access for environmental bacteria into the bone [5]. However, sometimes OMO has been associated with the entry of a specific and invasive microorganism, such as Pseudomonas aeruginosa [8][9][10], which can cause a severe acute outbreak.…”
Section: Introductionmentioning
confidence: 99%
“…The richness and diversity of the dental microbiome of ruminants in health and diseased phenotypes (Borsanelli et al 2018(Borsanelli et al , 2021(Borsanelli et al , 2022b(Borsanelli et al , 2022c suggest a robust source of possibilities and risks in orofacial infections. Of this predominantly strict anaerobic microbiota, there are several opportunistic bacteria with invasive capacity, including aerobic or facultative microorganisms detected when using only conventional-bacterial culture (Benito-Peña et al 2010, Amorim et al 2011, Rasooli et al 2018. Indeed, the richness and diversity of the anaerobic microbiota associated with mandibular infections are underestimated when this diagnostic method is used (Arcaute et al 2021) since some groups of microorganisms, such as spirochetes, cannot be cultivated (Arweiler & Netuschil 2016).…”
Section: Introductionmentioning
confidence: 99%