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An investigation of microbial communities able to form biofilms and inhabiting an extreme acid mine drainage (AMD) polymetallic mine with pH ranging from 1.0 to 1.5 was carried out. Presented results concern an abandoned polymetallic mine that has not been studied so far. Geochemical analyses of the sampled area reveals a high concentration of heavy metals – especially arsenic and iron derived from...
Investigations of bacterial communities and characterization of mineralogy of the environment in the Złoty Stok As-Au deposit werecarried out. PXRD analysis revealed the presence of picropharmacolite as the most common secondary arsenic mineral in the mine. Total DNA was extracted from slime streams or slime biofilms samples to investigate the bacterial communities. PCR amplification of 16S rDNA was...
The investigation was performed on 75 of Golden Retriever puppies. Faecal samples were collected on the 42 day of the puppies life (control). Probiotic preparation was administered on 43 day of the puppies life and 10 days after the application of the probiotic, faecal samples were collected again (on 53 day of puppies life). All isolates of Campylobacter coli isolated prior to the administration...
Celem prezentowanych badań była kontrola wpływu niskich temperatur 4˚C na częstotliwość występowania bakterii Campylobacter coli na mięsie drobiowym. Próbki mięsa drobiowego (n=300) były pobierane losowo z wybranych ubojni. Identyfikacji C. coli dokonano przy zastosowaniu testu Api Camy i reakcji PCR. Stwierdzono, że schładzanie spowodowało obniżenie występowania C. coli w surowym mięsie drobiowym...
This study was conducted to determine the prevalence of Campylobacter spp. isolated from dogs’ faecal samples. From June 2012 to June 2013, a total of 210 faecal samples from pet dogs living in different kennels (n=210) were collected by the owners in Greater Poland Voivodeship, Poznań District, Poland. The study revealed that 105 out of 210 faecal samples (50%) contained Campylobacter. The highest...
The investigations were conducted on 60 Holstein-Friesian dairy cows (at age 3 year and weight 590 kg) kept in tie-stall barn. The animals were divided into 3 groups of 20 heads each. The control group (K) was fed diets without probiotics, group (EM) -- was fed diet with the addition of EM probiotic (dose of 150 ml ⋅ t-1 TMR) and group (T) -- was fed diet with the addition of ToyoCerin probiotic (dose...
Badania przeprowadzono w sezonie wegetacyjnym 2012 r. w Zakładzie Doświadczalno-Dydaktycznym Brody, należącym do Uniwersytetu Przyrodniczego w Poznaniu. Ich celem było poznanie wpływu sposobu uprawy gleby po wysiewie międzyplonu ścierniskowego (gorczyca biała i łubin + groch) pod uprawę pszenicy jarej na liczebność mikroorganizmów (bakterii i grzybów) i aktywność enzymów: dehydrogenazy, fosfatazy...
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