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The subject of this study was an assessment of the effectiveness of hygienization of pig slurry during the methane fermentation process. The basic criterion for evaluating the effectiveness of the process was the inactivation rate of Salmonella Senftenberg (W775, H2S negative) and the eggs of Ascaris suum. Bacteria suspensions were introduced into slurry inside microbiological carriers of the FILTER-SANDWICH...
Stałe i płynne odchody zwierząt gospodarskich, wykorzystywane często do celów nawozowych, stanowić mogą źródło groźnych patogenów pochodzenia jelitowego. W celu minimalizacji ryzyka skażenia środowiska związanego z wprowadzeniem ich do gleby, nawozy naturalne poddaje się różnym metodom higienizacji. Ich efektywność jest bardzo zróżnicowana i uzależniona od wielu czynników, wynikających np. ze składu...
Summary The aim of this study was to determine under laboratory conditions the percentage and rate of reduction in invasive Ascaris suum eggs, as well as the maximal time of invasiveness retaining by them in swine slurry and 3 soil types. A. suum eggs were introduced into perforated perlon bags which then were placed in samples of slurry and in humus layers of the soils: podsolic soil, black earth...
Slurry, due to high microbiological contamination, requires hygienization before spreading. The agricultural usage of treated slurry has to guarantee biosafety. Therefore, constant monitoring of the slurry treatment process should be conducted. The use of Filter-Sandwich carriers seems to be a prospective solution. The aim of the research was to test whether Filter-Sandwich carriers influence the...
The study of the bovine enterovirus survival in water, slurry, and two layers of black soil, was carried out at 4°C and 20°C under laboratory conditions. Samples of soil, water, and slurry were infected with a suspension of the enterovirus. The titre of the virus at 4°C was determined on the day of inoculation (day 0) and on 7, 21, 42, 70, and 135 d after inoculation. At 20°C, the titre was determined...
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