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KMID : 1024520150240010025
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Journal of the Environmental Sciences
2015 Volume.24 No. 1 p.25 ~ p.30
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Evaluation of Probiotics on Animal Husbandry and Environmental Management as Manure Additives to Reduce Pathogen and Gas Emissions in Pig Slurry
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Choi In-Hag
Lee Hyuk-Jun
Kim Dong-Hyeon
Lee Yong-Bok
Kim Sam-Churl
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Abstract
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This study aimed to evaluate the effects of probiotics as manure additives on pathogen, mineral, carbon dioxide and methane emissions in pig slurry as a function of time and provide information about the importance of pig slurry management to pig producers. An experiment was a completely randomized design and four treatments: CON: no treatment (5 kg pig slurry), T1: 5 kg pig slurry + 0.2% bacillus subtilis, T2: 5 kg pig slurry + 0.2% yeast, T3: 5 kg pig slurry + 0.2% actinomycetales. All treatments were replicated three times. The results information that is analyzed includes the following: First, in spite of the lack of statistically significant differences, pH values and carbon dioxide were lowered (P < 0.05) in all probiotic treatments compared with the controls as a function of time. Second, all probiotic treatments had no effect on Salmonella enterica, mineral, and methane emission. The results of this study indicated that addition of 0.2% probiotic to pig slurry resulted in lower pH and carbon dioxide emissions, and carbon dioxide and methane emitted from pig slurry is not listed as noxious gases.
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KEYWORD
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Probiotics, Pig slurry, Salmonella enterica, Carbon dioxide, Methane
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