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Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks

Knowledge of pathogenic potential, frequency and antimicrobial resistance patterns of porcine Streptococcus (S.) spp. other than S. suis is scarce. Between 2016 and 2020, altogether 553 S. spp. isolates were recovered from clinical specimens taken from Austrian swine stocks and submitted for routine...

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Autores principales: Renzhammer, René, Loncaric, Igor, Ladstätter, Marisa, Pinior, Beate, Roch, Franz-Ferdinand, Spergser, Joachim, Ladinig, Andrea, Unterweger, Christine
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7764176/
https://www.ncbi.nlm.nih.gov/pubmed/33322266
http://dx.doi.org/10.3390/antibiotics9120893
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author Renzhammer, René
Loncaric, Igor
Ladstätter, Marisa
Pinior, Beate
Roch, Franz-Ferdinand
Spergser, Joachim
Ladinig, Andrea
Unterweger, Christine
author_facet Renzhammer, René
Loncaric, Igor
Ladstätter, Marisa
Pinior, Beate
Roch, Franz-Ferdinand
Spergser, Joachim
Ladinig, Andrea
Unterweger, Christine
author_sort Renzhammer, René
collection PubMed
description Knowledge of pathogenic potential, frequency and antimicrobial resistance patterns of porcine Streptococcus (S.) spp. other than S. suis is scarce. Between 2016 and 2020, altogether 553 S. spp. isolates were recovered from clinical specimens taken from Austrian swine stocks and submitted for routine microbiological examination. Antimicrobial susceptibility testing towards eight antimicrobial substances was performed using disk diffusion test. All isolates from skin lesions belonged to the species S. dysgalactiae subspecies equisimilis (SDSE). S. hyovaginalis was mainly isolated from the upper respiratory tract (15/19) and S. thoraltensis from the genitourinary tract (11/15). The majority of S. suis isolates were resistant to tetracycline (66%), clindamycin (62%) and erythromycin (58%). S. suis isolates from the joints had the highest resistance rates. S. suis and SDSE isolates resistant to tetracycline were more likely to be resistant to erythromycin and clindamycin (p < 0.01). Results show that different species of Streptococcus tend to occur in specific body sites. Nevertheless, a statement whether these species are colonizers or potential pathogens cannot be given so far. High resistance rates of S. suis towards tetracyclines and erythromycin and high recovery rates of S. suis from lung tissue should be considered when treating pigs with respiratory diseases.
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spelling pubmed-77641762020-12-27 Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks Renzhammer, René Loncaric, Igor Ladstätter, Marisa Pinior, Beate Roch, Franz-Ferdinand Spergser, Joachim Ladinig, Andrea Unterweger, Christine Antibiotics (Basel) Article Knowledge of pathogenic potential, frequency and antimicrobial resistance patterns of porcine Streptococcus (S.) spp. other than S. suis is scarce. Between 2016 and 2020, altogether 553 S. spp. isolates were recovered from clinical specimens taken from Austrian swine stocks and submitted for routine microbiological examination. Antimicrobial susceptibility testing towards eight antimicrobial substances was performed using disk diffusion test. All isolates from skin lesions belonged to the species S. dysgalactiae subspecies equisimilis (SDSE). S. hyovaginalis was mainly isolated from the upper respiratory tract (15/19) and S. thoraltensis from the genitourinary tract (11/15). The majority of S. suis isolates were resistant to tetracycline (66%), clindamycin (62%) and erythromycin (58%). S. suis isolates from the joints had the highest resistance rates. S. suis and SDSE isolates resistant to tetracycline were more likely to be resistant to erythromycin and clindamycin (p < 0.01). Results show that different species of Streptococcus tend to occur in specific body sites. Nevertheless, a statement whether these species are colonizers or potential pathogens cannot be given so far. High resistance rates of S. suis towards tetracyclines and erythromycin and high recovery rates of S. suis from lung tissue should be considered when treating pigs with respiratory diseases. MDPI 2020-12-11 /pmc/articles/PMC7764176/ /pubmed/33322266 http://dx.doi.org/10.3390/antibiotics9120893 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Renzhammer, René
Loncaric, Igor
Ladstätter, Marisa
Pinior, Beate
Roch, Franz-Ferdinand
Spergser, Joachim
Ladinig, Andrea
Unterweger, Christine
Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks
title Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks
title_full Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks
title_fullStr Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks
title_full_unstemmed Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks
title_short Detection of Various Streptococcus spp. and Their Antimicrobial Resistance Patterns in Clinical Specimens from Austrian Swine Stocks
title_sort detection of various streptococcus spp. and their antimicrobial resistance patterns in clinical specimens from austrian swine stocks
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7764176/
https://www.ncbi.nlm.nih.gov/pubmed/33322266
http://dx.doi.org/10.3390/antibiotics9120893
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