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KMID : 1024520150240010025
Journal of the Environmental Sciences
2015 Volume.24 No. 1 p.25 ~ p.30
Evaluation of Probiotics on Animal Husbandry and Environmental Management as Manure Additives to Reduce Pathogen and Gas Emissions in Pig Slurry
Choi In-Hag

Lee Hyuk-Jun
Kim Dong-Hyeon
Lee Yong-Bok
Kim Sam-Churl
Abstract
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.
KEYWORD
Probiotics, Pig slurry, Salmonella enterica, Carbon dioxide, Methane
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