Efficacy of antibacteriocidal yeast that producing bacteriocin OR-7 in pig

박테리오신 OR-7을 생산하는 항균 효모의 양돈에서의 사양시험 효과

  • Cho, Dong-In (Department of Biological Engineering, Konkuk University) ;
  • Kang, Sang-Mo (Department of Biological Engineering, Konkuk University) ;
  • Lee, Jae-Hwa (Department of Bioscience and Biotechnology, Silla University) ;
  • Lee, Sang-Hyeon (Department of Bioscience and Biotechnology, Silla University) ;
  • Jang, Min-Kyung (Department of Bioscience and Biotechnology, Silla University) ;
  • Kim, Ki-seuk (Department of Veterinary Public Health, College of Veterinary Medicine, Kyungpook National University)
  • Accepted : 2010.09.18
  • Published : 2010.12.30


This study was conducted to investigate the effects of feeding probiotics (gene modified yeast) on the growth performances in pigs. In pigs, this study investigated the effects of dietary probiotics which contained antibacterial probiotics (OR-7, bacteriocin, gene modified yeast) on growth performances and feed efficiency in pig farm. A total of 150 pigs were studied. The treatments are probiotics yeast (PY) 0.3% (basal diet + 0.3% plasmid modified probiotics), PY 0.5% (basal diet + 0.5% plasmid modified probiotics), yeast (Y) 0.3% (basal diet + 0.3% probiotics), Y 0.5% (basal diet + 0.5% probiotics) and control (basal diet). Weight gain, feed intake and feed efficiency were periodically recorded for 90 days. The treatment group trended higher weight gain, feed intake and feed efficiency than control. And, the PY group trended higher weight gain, feed intake and feed efficiency than Y group.


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