Manure Hygienization developement and application (MIDA) as biological technology for treatment of laying han manure

Overall, the goal is to overcome the management of manure as waste and the agricultural lands need for its spreading through the direct production of quality hygienic fertilizer, that improves the soil structure, enhances its fertility and rehabilitates for predesertification. In details, the aim of the project was to verify LHM hygienisation by bio-treatment, according to Reg. CE 1774/2002 indications. The obtained product, should be transformed not in a waste, but in an hygienic admarketable safe organic fertilizer. LHM dried at three different level of humidity by MDS (Manure Drying System) was treated inside big-bags and pile, by adding PAV (Vegetal Active Ingredient) a biocatalyst of plant origin. Manure sampling and analysis, taken at days -3 (before MDS), 0, 38, 81, 123, were carried out following reg. (CE) 1774/2002 and taking into account also the chemical polluters considered in D. Lgs. 217/06 Objectives for thermal and chemical process are: - absence of Salmonella spp.in 25 grams; - concentration of Escherichia coli in 1 gram lower than or equal to 1000 u.f.c.; - reduction 5 log 10 of Enterococcus faecalis in 1 gram; - reduction 3 log 10 of Parvovirus. In this early stage, due to the high environmental resistence of dispersal stages of parasites, we have added also the evaluation of PAV’s activity on coccidia and ascarid eggs. This justified the sampling at day -3 useful to assess the parasites burden in the fresh LHM. Due to the absence of Parvovirus in poultry, to follow the reg. (CE) 1774/2002 we have developed a doughter trial in controlled conditions adding Parvovirus of swine origin to LHM. From a general point of view, the experimental activity of MIDA has shown good results in reducing biological and chemical parameters after 123 days and appear to be encouraging for the authors to go on, developing the project and searching for financial support.