[Quality of dredged material in sewerages: practice experiments with veterinary parameters]

analyse de sol animal health assessment bacteria calidad del agua contamination desechos ensayo fango ganado health hazards livestock microbial contamination mud netherlands pathogens pathotype pathotypes patotipos peligro para la salud pollution de l'eau pollution du sol riesgo risk risk assessment risque sanidad animal sediment sedimento sewerage soil pollution soil testing testage testing vase waste disposal wastes water pollution water quality