Microbial agent comprising a mixture of species for reducing ammonia odor and method for manufacturing the same

The present invention relates to a mixed microbial agent for reducing ammonia odor, including: at least one selected from among a Bacillus amyloliquefaciens AEY-1 strain (Deposit No. KCTC18314P), a culture thereof, and a concentrate and dried material of the culture; at least one selected from among a Bacillus amyloliquefaciens AEY-2 strain (Deposit No. KCTC18315P), a culture thereof, and a concentrate and dried material of the culture; and at least one selected from among a Bacillus amyloliquefaciens AEY-3 strain, a culture thereof, and a concentrate and dried material of the culture. According to the present invention, the agent is capable of making a contribution to an improvement in livestock industries by quickly and efficiently reducing ammonia odor.