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Antibiotic resistance patterns in cervical microbes of gilts and sows

Kellerman, Cecilia and Malaluang, Pongpreecha and Hansson, Ingrid and Eliasson-Selling, Lena and Morrell, Jane (2022). Antibiotic resistance patterns in cervical microbes of gilts and sows. Animals. 22 , 117
[Research article]

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Abstract

Extenders for boar semen contain antibiotics, which may induce antimicrobial resistance (AMR) in inseminated females. The objective was to investigate AMR of bacteria isolated from the cervix of sows and gilts in standing heat, representing females previously exposed to antibiotics in the semen extender and non-exposed females, respectively. Cervical swabs were taken from 30 multiparous sows and 30 gilts prior to their first insemination. After culturing on agar plates, bacterial isolates were identified by Matrix-Assisted Laser Desorption/Ionization Time of Flight Mass Spectrometry and antimicrobial minimum inhibitory concentrations (MIC) were determined. Differences in antibiotic resistance between sows and gilts were analyzed by Chi-squared or Fisher’s exact test. Bacteria isolated were mostly Staphylococcus spp., Streptococcus spp. and Corynebacterium spp. Higher MICs were observed for isolates from sows than from gilts. Most (>80%) Corynebacterium spp. were resistant to clindamycin; small numbers (<20%) were resistant to gentamicin, penicillin, vancomycin, ciprofloxacin and rifampicin, with no differences between gilts and sows. Corynebacterium from gilts were more often resistant to tetracycline than those from sows (25% vs. 4.17%; p = 0.04). In conclusion, bacteria from the porcine cervix showed low resistance to most antibiotics except for clindamycin, but antibacterial resistance may increase with increasing parity.

Authors/Creators:Kellerman, Cecilia and Malaluang, Pongpreecha and Hansson, Ingrid and Eliasson-Selling, Lena and Morrell, Jane
Title:Antibiotic resistance patterns in cervical microbes of gilts and sows
Series Name/Journal:Animals
Year of publishing :2022
Volume:22
Article number:117
Number of Pages:10
ISSN:2076-2615
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 403 Veterinary Science > Clinical Science
Keywords:antimicrobial resistance, vaginal flora of pigs, cervical swabs, antibiotics in semen extenders, antibiotic minimum inhibitory concentration
URN:NBN:urn:nbn:se:slu:epsilon-p-115144
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-115144
Additional ID:
Type of IDID
DOI10.3390/ani12010117
ID Code:26812
Faculty:VH - Faculty of Veterinary Medicine and Animal Science
Department:(VH) > Dept. of Clinical Sciences
(VH) > Department of Biomedical Science and Veterinary Public Health
Deposited By: SLUpub Connector
Deposited On:24 Jan 2022 13:25
Metadata Last Modified:24 Jan 2022 13:31

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