Eco-friendly and Modern Method of Poultry Waste Recycling

• Published in: IOP conference series. Earth and environmental science Vol. 666; no. 6; p. 62143
• Main Authors: Piskaeva, A I, Babich, O O
• Format: Journal Article
• Language: English
• Published: Bristol IOP Publishing 01.03.2021
• Subjects: Animal wastes; Bacteria; Chickens; Composting; Decomposition; Ecological effects; Feathers; Keratin; Keratinase; Microorganisms; Poultry; Poultry farming; Vertebrates; Waste management
• ISSN: 1755-1307; 1755-1315
• DOI: 10.1088/1755-1315/666/6/062143

Throughout the world, along with the benefits that poultry farming brings to the economy of each individual country, there is a large-scale problem of such byproduct of its activity as feathers. In addition, 91% of them consist of a very valuable protein source with β -keratin. Keratin itself is very poorly decomposed and further disposed component. It makes up one of the components of feathers, the part of vertebrate skin. There is a growing preference for cost-effective and ecologically friendly poultry waste management ways. And it is the keratinase enzyme, obtained as a result of the bacteria activities, that shows great potential in this area. The selection, identification and improvement of the activities of such species of bacteria which could decompose the chicken feathers is the subject of ongoing research. About 89% provided chicken feathers were disposed (in other words, utilized) by bacteria in 2 days at temperature of 37° C. Full disposal took place after 53 hours. This study provides new results on the activities of microorganisms in the sphere of feather composting, and could also serve as an instruction for improving the work of the poultry industry in the management of keratin waste.