Abstract
Reducing the number of young minks falls is a resultant of many factors among which a high standard of hygiene maintenance in the premises plays an important role, as indicated by
differences in morbidity and mortality of young minks, depending on the farm. The aim of this study was to determine the microbiological status of the mink houses environment in the perinatal period. Studying the microbiological properties of litter collected in two treatment periods, significant differences in the number of mesophilic bacteria were found. The presence of pathogenic and potentially pathogenic bacilli on the body surface and in the intestines of young minks, from the mothers of both weigh groups were observed. Own research, which showed abundant growth of pure bacterial cultures from both the litter and dead bodies of young minks, may indicate a significant effect of bacterial factors on the health and survival of young minks in the perinatal period of these animals.
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