Effects of Supplemental Synbiotics Composed of Anaerobic Bacteria, Yeast and Mold on the Change of Chemical Composition and Fermentation Characteristics of Total Mixed Ration for Cattle

혐기성 박테리아, 효모 및 곰팡이로 제조된 synbiotics 첨가 축우용 완전혼합사료의 성분 변화 및 발효 특성에 미치는 영향

  • Lee, Shin-Ja (Division of Applied Life Science (BK 21 Program), Graduate School Gyeongsang National University) ;
  • Shin, Nyeon-Hak (Division of Applied Life Science (BK 21 Program), Graduate School Gyeongsang National University) ;
  • Jung, Ho-Sik (Division of Applied Life Science (BK 21 Program), Graduate School Gyeongsang National University) ;
  • Moon, Yea-Hwang (Department of Animal Science & Biotechnology, Jinju National University,) ;
  • Lee, Sang-Suk (Department of Animal Science & Biotechnology, Sunchon National University) ;
  • Lee, Sung-Sill (Division of Applied Life Science (BK 21 Program), Graduate School Gyeongsang National University)
  • 이신자 (경상대학교 응용생명과학부(BK 21)) ;
  • 신년학 (경상대학교 응용생명과학부(BK 21)) ;
  • 정호식 (경상대학교 응용생명과학부(BK 21)) ;
  • 문여황 (진주산업대학교 동물생명과학과) ;
  • 이상석 (순천대학교 동물자원과학과) ;
  • 이성실 (경상대학교 응용생명과학부(BK 21))
  • Published : 2009.02.28


In order to investigate the effects of synbiotics on change of chemical composition and fermentation characteristics of total mixed ration (TMR), eight TMRs fermented by synbiotics composing the anaerobic microbes (bacteria, yeast, mold) were alloted to the experimental treatments. Treatments were composed of untreated synbiotics(US), bacterial synbiotics (BS), yeast synbiotics (YS), mold synbiotics (MS), bacterial and mold synbiotics (BMS), yeast and mold synbiotics (YMS), bacterial and yeast synbiotics (BYS), and bacterial, yeast and mold synbiotics (BYMS). After 7 days of anaerobic fermentation, fermented-TMRs were exposed to air during 1, 3, 5, 7, 14 and 21 days. One hundred forty four (8 treatments ${\times}$ 6 exposing days ${\times}$ 3 replications) fermented- TMRs were manufactured by vinyl bag sized of 43 cm by 58 cm. The results obtained were as follows. Moisture contents of the fermented TMRs anaerobically ranged from 41% to 45%, and was similar to those of basal TMRs. As results of anaerobic fermentation, the concentration of crude protein was decreased by 11.7% to 14.8% in the untreated sample, while was rather increased by 11% when the TMR was fermented with BMYS. And also BMYS treatment showed decreases by 32% for crude fiber, 15.5% for NDF and 26.1% for ADF. Internal temperature of fermented-TMRs was highest at 7 day of exposing in the air. The pH of fermented-TMR juice was significant difference betweentreatments after 7 day of exposing in air, and that of BMS was highest at 14 day after exposing in air (P<0.05). Acid buffering capacity was increased in proportion to the exposing day of TMR, and peaked at 7 or 14 days after exposing. Ammonia concentration of fermented-TMRs was highest at 5 day after exposing in the air. Individual volatile fatty acid of fermented-TMR juice was very low level in all treatments. Although BMYS treatment to TMR inclined to increase in crude protein and decrease in fibers, but there were no positive effects on the fermentation characteristics after exposing in the air by supplementation of anaerobic synbiotics to TMR.


Fermented TMR;bacteria;yeast;mold;silage


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