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Phenotypic and genetic antimicrobial resistance of the intestinal microbiota isolated from two alpacas (Vicugna pacos) post mortem

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Jul 15, 2025

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Antimicrobial resistance pattern of miscellaneous isolates from two alpacas’ intestinal swabs and faeces

Species Sample source (animal) Antimicrobial resistance profile
Moraxella osloensis small intestine (2) PG-ERY
Leuconostoc citreum rectum (2) PG
Corynebacterium diphtheriae colon (1) PG-DOX-OXY-ERY-SXT
Corynebacterium stationis colon (1) PG-DOX-OXY-ERY-SXT
Stenotrophomonas maltophilia colon (1) DOX-OXY-SXT

Antimicrobial resistance pattern of Gram-negative Yersiniaceae isolates from two alpacas’ intestinal swabs and faeces

Yersiniaceae rods Sample source (animal) Antimicrobial resistance profile Antimicrobial resistance gene
Serratia liquefaciens colon (2) AMO-AMC-CLE-CF-COL-PB-DOX-TET-FLO tetA
Serratia liquefaciens small intestine (2) CLE-CF-COL-PB-FLO -
Serratia odorifera faeces (2) AMO-AMC-CLE-CF-COL-PB-FLO -
Serratia odorifera rectum (2) CLE-CF-COL-PB-FLO -
Serratia marcescens faeces (1) AMO-AMC-CF-COL-PB-DOX-TET-FLO tetB

Antimicrobial resistance pattern of Bacillus spp_ isolates from alpaca 2’s intestinal swabs and faeces

Bacillus species Sample source (animal) Antimicrobial resistance profile
Bacillus altitudinis small intestine PG-ERY-SXT
Bacillus licheniformis small intestine PG-DOX-OXY-ERY-SXT
Bacillus licheniformis small intestine PG-SXT
Bacillus cereus colon PG-ERY-SXT
Bacillus cereus colon PG-ERY-SXT
Bacillus cecembensis colon PG-SXT
Bacillus flexus colon PG-ERY-SXT
Bacillus licheniformis colon PG-GEN-SXT
Bacillus licheniformis colon PG-ERY-SXT
Bacillus pumilus colon PG-ERY-SXT
Bacillus pumilus colon PG-ERY-SXT
Bacillus pumilus colon PG-ERY-SXT
Bacillus subtilis colon PG-ERY-SXT
Bacillus subtilis colon PG-ERY-SXT
Bacillus licheniformis rectum PG-DOX-OXY-ERY-SXT
Bacillus aeolinus rectum PG-DOX-OXY-ERY-SXT
Bacillus cereus rectum PG-SXT

Antimicrobial resistance pattern of Gram-positive cocci isolates from two alpacas’ intestinal swabs and faeces

Gram-positive cocci species Sample source (animal) Antimicrobial resistance profile (T)ECOFF*
Enterococcus faecium small intestine (1) PG-BEN-NOR-DOX-TET GEN-NEO-STR
Enterococcus hirae small intestine (1) PG-BEN-NOR-ERY GEN-NEO-STR
Enterococcus hirae colon (2) PG-BEN-NOR-ERY-DOX-TET-FLO GEN-NEO-STR
Enterococcus hirae rectum (2) PG-BEN-NOR-ERY-DOX-TET-FLO GEN-NEO-STR
Enterococcus casseliflavus colon (2) PG-BEN-ERY-FLO -
Enterococcus casseliflavus rectum (2) PG-BEN-ERY-FLO -
Enterococcus gallinarum rectum (1) PG-BEN-DOX-TET-NOR-ERY GEN-NEO-STR
Staphylococcus aureus colon (1) AMO-ENR NEO-STR
Staphylococcus aureus rectum (1) AMO-ENR NEO-STR
Staphylococcus pseudintermedius rectum (2) AMO-PG-BEN-ERY TYL
Staphylococcus sciuri colon (1) AMO-PG-BEN -
Staphylococcus sciuri small intestine (2) PG-BEN -
Micrococcus luteus rectum (2) PG-BEN-ERY-CLI -

Antimicrobial resistance pattern of Gram-negative Enterobacteriaceae isolates from two alpacas’ intestinal swabs and faeces

Enterobacteriaceae rods Sample source (animal) Antimicrobial resistance profile Antimicrobial resistance gene
Citrobacter freundii rectum (1) AMP-AMO-AMC-CLE-CF-DOX-TET-FLO-SXT-ENR-NOR tetA, sul1, floR
Citrobacter freundii rectum (1) AMP-AMO-AMC-CLE-CF-DOX-TET-FLO-SXT-ENR-NOR tetA, sul1, floR
Citrobacter freundii faeces (1) AMP-AMO-AMC-CLE-CF-DOX-TET-FLO-SXT-ENR-NOR tetA, sul1, floR
Citrobacter freundii faeces (2) AMP-AMO-AMC-CLE-CF-DOX-TET-FLO-SXT-NOR aadA, tetA, sul1
Citrobacter braakii small intestine (1) DOX-TET-FLO-SXT floR
Enterobacter cloacae colon (1) AMP-AMO-CF-FLO-SXT sul1, sul2, floR
Enterobacter cloacae colon (1) AMP-AMO-CF-FLO-SXT sul1, sul2, floR
Enterobacter cloacae colon (1) AMO-CF-DOX-TET-ENR-NOR tetA
Enterobacter cloacae rectum (2) AMP-AMO-CF-ENR-NOR -
Enterobacter cloacae faeces (2) AMP-AMO-AMC-CLE-CF-SXT sul1
Enterobacter gergoviae small intestine (2) AMP-AMO-AMC-CLE-FLO -
Enterobacter hormaechei colon (2) AMP-AMO-CLE-CF-FLO-SXT sul1, dfrA1
Enterobacter ludwigii rectum (1) AMP-AMO-AMC-CLE-CF-FLO -
E. coli colon (1) AMP-AMO-AMC-CF-STR aadA, strA/strB
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