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KMID : 1024520070160091103
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Journal of the Environmental Sciences
2007 Volume.16 No. 9 p.1103 ~ p.1109
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Isolation and Application of Feather-Degrading Bacteria for Development of Environment-Friendly Biofertilizer
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Woo Eun-Ok
Kim Min-Ju
Ryu Eun-Yeon
Park Geun-Tae
Lee Chung-Yeol
Son Hong-Joo
Lee Sang-Joon
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Abstract
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The aim of this study was to isolate mesophilic chicken feather-degrading bacteria and to evaluate feather hydrolysate as alternative biofertilizer. Isolate RS7 was isolated from compost and identified as Bacillus pumilus according to API analysis and l6S rDNA sequencing analysis. Chicken feathers were completely degraded after 5 days of cultivation at . Feather hydrolysate treated by B. pumilius RS7 positively influenced Helianthus sannuus L. (sunflower) growth (e.g. growth rate, number and dry weight of leave, and flowering rate). These results suggest that feather hydrolysate prepared using B. pumilius RS7 could successfully be used as alternative biofertilizer, thereby reducing the environmental impact of feather waste from the poultry industry.
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KEYWORD
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Biofertilizer, Chicken feather, Feather hydrolysate, Keratin
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