Characteristic study and isolation of Bacillus subtilis SRCM 101269 for application of cow manure
2016
Jeon, S.B., Chonbuk National University, Jeonju, Republic of Korea | Oh, H., Chonbuk National University, Jeonju, Republic of Korea | Uhm, T.B., Chonbuk National University, Jeonju, Republic of Korea | Cho, J.Y., Chonbuk National University, Jeonju, Republic of Korea | Yang, H.J., Microbial Institute for Fermentation Industry (MIFI), Sunchang, Republic of Korea | Jeong, D.Y., Microbial Institute for Fermentation Industry (MIFI), Sunchang, Republic of Korea
Bacillus subtilis SRCM 101269 having safety and amo gene isolated from Korean traditional fermented food and their investigated characterization to apply the cow manure such as cellulase and xylanase activities, 16S rRNA sequencing, and ability of removal of livestock manure odor. Cow manure application results for the removal of livestock manure odor, the ammonia gas was reduced more than two-folder compared to the control group after 6 days, and reduced to less than 10 ppm after 9 days. In the case of cow manure added fowl droppings and other wood-based mixture components, ammonia gas maintained constant after 3 days of fermentation. However, in the case of sample inoculated B. subtilis SRCM 101269, ammonia gas reduced in course of fermentation time, and concentration of hydrogen sulfide also reduced for 65 ppm. Changes of nitrite concentration according to fermentation time no showed different for cow manure, however nitrite concentration in mixed livestock manure increased when compared to control. And then sulfate concentration in cow manure decreased, and no showed different when compared to the initial fermentation. No apparent change of sulfate concentration in mixed livestock manure detected. Through the previously studies, B. subtilis SRCM 101269 has high potential in industrial application manufacturing the cow manure as removal of livestock manure odor.
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