The effect of the application of pig slurry on the hygienic safety of drinking water
2005
Venglovsky, J.(University of Veterinary Medicine, Kosice (Slovak Republic))
The aim of the study was to assess the effect of the soil application of pig slurry on the hygienic quality and health safety of water from three sources; natural spring, well, and artesian well. The swine farm investigated is located in west Slavonia, Croatia, and produces about 25,000 fattened hogs per year. Pig slurry is first discharged into lagoons and then applied to surrounding fields sown with cereals. Analysis of water samples from the three investigated sources showed that pig slurry used for fertilization was not the only source of water pollution with nitrogen compounds. The unfavourable microbiological water findings may have been due also to other causes. The conclusion is that appropriate use of slurry for soil fertilization according to agrotechnical terms has no impact on the safety of drinking water sources.
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