The present invention provides a method to promote the growth of pigs and pig odor improved biological agents and their method of biological agents comprising an effective amount of Bacillus subtilis (Bacillus subtilis, BS139), which is stored at the Department of Republic of China food industry development Institute of biological resources conservation and Research Center Storage BCRC910457 number of strains, including the formulation of feed additive, drinking water additive, deodorization agent, sewage treatment agent, compost optimization agent using a method comprising probiotics added to pig feed or drinking water that can promote the growth of pigs and improve the odor of farms, or probiotics added to farm reservoirs, sewage treatment plants or compost that can effectively improve the farm odor.本發明提供一種促進豬隻生長及改善養殖場氣味的生物製劑及其方法,其生物製劑包含一有效量的枯草桿菌(Bacillus subtilis,BS139),該枯草桿菌係為保存於中國臺灣食品工業發展研究所生物資源保存及研究中心寄存編號BCRC910457之菌株,該製劑包括飼料添加劑、飲用水添加劑、環境改善劑、污水處理劑及堆肥發酵劑;其使用方法包含將一益生菌加入豬隻的飼料或飲用水中,使能促進豬隻生長及改善養殖場氣味,或將一益生菌加入養殖場的蓄水池、污水處理池、豬舍或堆肥中,使能有效改善養殖場氣味。
