Bacteria associated with clinical postpartum dysgalactia syndrome in farmed sows in the Republic of Macedonia
Journal
TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES
Date Issued
2016
Author(s)
Angjelovski, Branko
Cvetkovikj, Aleksandar
Radeski, Miroslav
Ratkova, Marija
DOI
10.3906/vet-1602-102
Abstract
The objective of this study was to gather information about the prevalence of bacterial species in farmed sows, with special
focus on the clinical manifestation of postpartum dysgalactia syndrome (PDS). One hundred and sixteen sows from 5 pig farms in the
Republic of Macedonia were clinically examined for PDS 12–24 h after farrowing. Milk samples and vaginal swabs for bacteriological
testing were taken from PDS-affected (PDSA, n = 30) and PDS-unaffected (PDSU, n = 86) sows. Escherichia coli, staphylococci, and
streptococci were the predominant bacteria isolates. Escherichia coli was the most frequently found isolate, with a prevalence of 73.3%
in PDSA and 31.4% in PDSU sows. Compared to PDSU sows, Escherichia coli was more prevalent in both milk (53.8% vs. 31.4%) and
vaginal swabs (74.3% vs. 47.1%) from PDSA sows. Greater prevalence of Escherichia coli in vaginal swabs (66.7%) from PDSA sows
suggests that the genital tract represents a possible route for transmission of the infection and that Escherichia coli plays a major role
in the development of clinical PDS. Further investigation should be made in order to identify whether specific virulent factors of this
bacterium isolated from the genital tract of PDSA sows are associated with clinical occurrence of the syndrome.
focus on the clinical manifestation of postpartum dysgalactia syndrome (PDS). One hundred and sixteen sows from 5 pig farms in the
Republic of Macedonia were clinically examined for PDS 12–24 h after farrowing. Milk samples and vaginal swabs for bacteriological
testing were taken from PDS-affected (PDSA, n = 30) and PDS-unaffected (PDSU, n = 86) sows. Escherichia coli, staphylococci, and
streptococci were the predominant bacteria isolates. Escherichia coli was the most frequently found isolate, with a prevalence of 73.3%
in PDSA and 31.4% in PDSU sows. Compared to PDSU sows, Escherichia coli was more prevalent in both milk (53.8% vs. 31.4%) and
vaginal swabs (74.3% vs. 47.1%) from PDSA sows. Greater prevalence of Escherichia coli in vaginal swabs (66.7%) from PDSA sows
suggests that the genital tract represents a possible route for transmission of the infection and that Escherichia coli plays a major role
in the development of clinical PDS. Further investigation should be made in order to identify whether specific virulent factors of this
bacterium isolated from the genital tract of PDSA sows are associated with clinical occurrence of the syndrome.
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