Effects of Probiotics as an Alternative for Antibiotics on Growth Performance, Nutrient Digestibility, Noxious Gas Emission and Fecal Microbial Population in Growing Piglets
2010
Kim, J.D., Cheonan Yonam College, Cheonan, Republic of Korea | Chung, H.W., Cheonan Yonam College, Cheonan, Republic of Korea | Shim, K.S., Cheonan Yonam College, Cheonan, Republic of Korea | Park, S.Y., Cheonan Yonam College, Cheonan, Republic of Korea | Ju, J.C., Cheonan Yonam College, Cheonan, Republic of Korea | Song, J.J., Howon Co., Ltd., Hwasung, Republic of Korea | Lee, K.H., Howon Co., Ltd., Hwasung, Republic of Korea | Park, J.K., National Institute of Animal Science, RDA, Suwon, Republic of Korea | Park, D.Y., Hankyong National University, Ansung, Republic of Korea | Kim, C.H., Hankyong National University, Ansung, Republic of Korea
This study was conducted to determine the effect of probiotics as an alternative for antibiotics on growth performance, nutrient digestibility, noxious gas emission and fecal microbial population in growing piglets. A total of 96 piglets (22.5±1.3kg average body weight) were allotted to 3 different treatment groups and replicated 4 times with 8 piglets per replicate in randomized complete block design. Treatments were T1) (Control, basal diet+0.2% antibiotics), T2) 0.2% probiotics complex and T3) 0.3% Bacillus probiotics. During the whole experiment period, there were no differences (p greater than 0.05) in average daily gain (ADG), average daily feed intake (ADFI) and feed efficiency. However, digestibility of dry matter, crude protein, ether extract, nitrogen free extract and crude ash were showed higher in probiotics groups (T2 and T3) than those of control. In noxious gas emission, ammonia, amine, hydrogen sulfide and mercaptan were significantly (p less than 0.05) reduced in T2 and T3 treatments compared to those in control. Moisture content of feces was not significantly different among treatments. The colony forming units (CFU) of total bacteria, E. coli and thermoduric bacteria in feces were significantly different among treatments. The CFU of total bacteria, E. coli and thermoduric bacteria in T3 treatment were reduced by feeding probiotics B. From this study, we suggest that probiotics A and B are likely able to improve the growth performance and nutrients digestibility, reduce noxious gas emission and change the fecal microbial composition in growing piglets.
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