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RISS 인기검색어
- 검색키워드
- 저자 : Gyeongchan Go (검색결과 2 건)
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Gyurae Kim,Sang-Joon Lee,Taeyeon Kim,Krisdianti,Sulhi Aufa,Hyunsook Min,Gyeongchan Go,Ho-Seong Cho,오연수 한국동물위생학회 2022 한국동물위생학회지 (KOJVS) Vol.45 No.2
The purpose of this study is to evaluate the reduction effect of microbially activated peat on odor generated by livestock farms. The odor gas was measured by stirring the livestock manure sample with the existing litter and the microbially activated peat (Healtha Peat) was developed by this re-search team. In outdoor farm experiment, the measurements were performed by comparing broilers farm using rice husks and microbially activated peat as litter. The weight, mortality, shipment date, and odor levels (NH3) were measured before and after experiment. The result showed that NH3 levels were reduced by 100% in the Healtha Peat mixed group, Healtha Peat and rice husks mixed group. In the peat mixed group, Healtha Peat and saw dust mixed group showed reduce value at 99.6% and 99.1%, respectively. However the rice husks mixed group and saw dust mixed group showed a rela-tively weak NH3 reduction effect with values of 57.5% and 84.8%, respectively. After 3 months, the Healtha Peat mixed group and Healtha Peat and rice husks mixed group showed the highest NH3 reduction effect persistence. In the outdoor farm experiment, NH3 was present in farms using rice husks, but not in farms using Healtha Peat. In farms using Healtha Peat, the mortality and NH3 were reduced by 75% and >90%, respectively. The average body weight increased 18% and resulted to 10% decrease in the shipping date. These results implied that microbially activated peat has a clear effect on farm NH3 reduction and affects the productivity of farm animals.
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Productivity increase and odor reduction effect of fermented barley sprout extract in broiler farms
Gyurae Kim,Ho-Seong Cho,Sang-Joon Lee,Hyunsook Min,Gyeongchan Go,Dongseob Tark,오연수 한국동물위생학회 2022 한국동물위생학회지 (KOJVS) Vol.45 No.4
The current study examined the impact of fermented barley sprout extract prepared using lactic acid bacteria (Lactobacillus sp.) in decreasing odor and increasing livestock productivity and measured the difference in the polyphenol and flavonoid contents of the extract after fermentation. Further-more, the effectiveness of fermented barley sprout extract was evaluated through order level and production index of livestock by supplying it to a broiler house. The results showed that with fer-mented barley sprout extract, the polyphenol and flavonoid contents were increased significantly by 174% and 562%, respectively. When the extract was applied as an additive to drinking water in the test farm, the productivity improved by about 10%, the mortality rate was reduced by about 66%, and there was a significant decrease in odor by about 80%. Compared with the control group, the produc-tion index increased by about 21%, the feed requirement decreased by about 8%, the odor showed a decrease in the NH3 level, and no other gas was detected. It was observed that lactic acid bacteria settle in the intestine, suppress the proliferation of bacteria that cause diarrhea and enteritis, and help digestion. The lactic acid bacteria effectively remove bad odor gases such as NH3, Amines, H2S and CH4S. Such odor reduction improves productivity. Our findings provide valuable information for quality water supply, production optimization and livestock management.
ScienceON
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