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http://dx.doi.org/10.5322/JESI.2021.30.8.703

Effects of Adding Oyster Shell Powder to Hanwoo Manure on its Quality and Microbial Composition - A Lab Study -  

Chang, Hong Hee (Department of Animal Science, Gyeongsang National University)
Joo, Young-Ho (Institute of Agriculture and Life Science, Gyeongsang National University)
Seo, Myeong-Ji (Department of Animal Science, Gyeongsang National University)
Kim, Ji-Yoon (Department of Animal Science, Gyeongsang National University)
Lee, Seong-Shin (Institute of Agriculture and Life Science, Gyeongsang National University)
Choi, Jeong-Seok (Division of Applied Life Science (BK21Four), Gyeongsang National University)
Jeong, Seung-Min (Division of Applied Life Science (BK21Four), Gyeongsang National University)
Noh, Hyeon-Tak (Division of Applied Life Science (BK21Four), Gyeongsang National University)
Kim, Sam-Churl (Department of Animal Science, Gyeongsang National University)
Publication Information
Journal of Environmental Science International / v.30, no.8, 2021 , pp. 703-708 More about this Journal
Abstract
To improve the environmental management and resources, in this study, we aimed to investigate the effect of adding oyster shell powder to Hanwoo manure on its characteristics and microbial composition during the storage period. Additives were deposited on top of the manure surface at the rate of 0, 0.5, and 1% of oyster shell powder per 200 g of Hanwoo manure in a plastic container with three replicates; however, untreated manure litter served as the control. Manure characteristics (dry matter, organic matter and crude ash) and microbial composition (lactic acid bacteria, yeast, Bacillus subtilis, Salmonella, and E.coli) were evaluated at day 0, 2, 4, and 8. Manure characteristics exhibited an effect on dry matter, organic matter, and crude ash at day 2 and 8 (p<0.05), and not for day 0 and 4 (p>0.05). With the exception of yeast content at day 4 of storage, lactic acid bacteria, yeast, Bacillus subtilis, Salmonella, and E.coli exhibited no significant differences in all conditions during the storage period. Conclusively, addition of 1% oyster shell powder to Hanwoo manure resulted in slightly better manure characteristics; however, its microbial composition remained unchanged.
Keywords
Environmental management; Hanwoo manure; Microbial composition; Oyster shell powder; Resource circulation;
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Times Cited By KSCI : 3  (Citation Analysis)
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