PRESENCE OF MICROORGANISMS OF SELECTED ENZYME GROUPS IN VARIOUS STAGES OF POULTRY WASTE COMPOST FORMATION PART II. SUBSTRATE: PROTEIN, FAT, AND STARCH
Journal Title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica - Year 2016, Vol 39, Issue 328
Abstract
The increasing production of poultry meat makes the amount of associated waste proportionately increases. The difficulty arises with the management of this material type, because of its heterogeneous nature and present contaminants. Therefore, the utilization of poultry waste materials is very troublesome and is associated with large financial inputs. A good solution might be the introduction of microorganisms having high enzymatic activity in order to optimize the process of management of arduous waste mass and making it more environmentally friendly. The aim of the study was to determine the number of microorganisms capable of degrading the protein, starch and fat in a variety of waste materials derived from the poultry slaughter and its management (sludge, sediment from biological sewage treatment plant, proper compost). Test samples came from the composting facility within the poultry processing plant in Western Poland. The materials have been subjected to microbiological analysis on selective media, according to recommendations. Based on achieved results, it was found that all of the tested waste products were colonized by enzymatic microorganisms. The predominant number of microorganisms was found in sludge from the reservoir for liquid waste, while the smallest population was detected in the proper compost. An outstanding group of physiological microorganisms were microorganisms capable of fat degrading.
Authors and Affiliations
Ilona WROŃSKA, Krystyna CYBULSKA
Keywords
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