Abstract
BackgroundThe performance of piglet weight gain is strongly dependent on the sow's ability to meet the demand for adequate milk. Postparturient disorders, especially those subsumed under the term postpartum dysgalactia syndrome (PPDS), can alter or reduce the milk production sensitively, resulting in starving piglets. The aim of this study was to gather further information about the prevalence of different bacterial species in the anterior and posterior mammary glands of sows with respect to the clinical appearance of PPDS.MethodsIn this study, the health status of 56 sows after farrowing was determined with special regard to mastitis and dysgalactia. Pooled milk samples from anterior and posterior glands were taken from both affected and non-affected animals and analysed bacteriologically for the presence of a wide spectrum of different pathogens.ResultsMainly Escherichia coli, staphylococci and streptococci were detected in high percentages but without significant differences in healthy and diseased animals and anterior and posterior glands. However, the large percentages of coliform bacteria suggested a transmission route via faecal contamination.ConclusionIn this study, the prevalence of different bacteria in anterior and posterior glands in PPDS positive and negative sows was analysed. No significant differences in bacteria of healthy and diseased sows were assessed. Therefore, the development of clinical PPDS and actual infection seems to be largely dependant on individual resistance in single sows.
Highlights
The performance of piglet weight gain is strongly dependent on the sow's ability to meet the demand for adequate milk
(page number not for citation purposes) http://www.actavetscand.com/content/51/1/26 lates were proven in anterior (43 isolates) and posterior samples (41 isolates), while 75 were present in anterior (47 isolates) and posterior (28 isolates) samples from non-affected sows. In both postpartum dysgalactia syndrome (PPDS)-affected and nonaffected sows, no bacteria were detected in 18.5% (PPDS+) and 13.8% (PPDS-) of pooled samples from anterior glands and in 25.9% (PPDS+) and 34.5% (PPDS) from posterior mammary glands (Table 1)
This percentage was increased in the posterior glands in PPDS-negative sows
Summary
The performance of piglet weight gain is strongly dependent on the sow's ability to meet the demand for adequate milk Postparturient disorders, especially those subsumed under the term postpartum dysgalactia syndrome (PPDS), can alter or reduce the milk production sensitively, resulting in starving piglets. In their first days of life, piglets are totally reliant on the sow for access to colostrum and milk. Postparturient disorders, including dysgalactia in sows, are a very important disease complex economically [1] They are reported world-wide, but subsumed under different terms depending on the geographical location. The syndrome is characterised by greatly reduced (page number not for citation purposes)
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