Evaluation of Microbially Ensiled Spent Mushroom (Pleurotus osteratus) Substrates (Bed-Type Cultivation) as a Roughage for Ruminants

균상재배 느타리버섯부산물 생균발효사료의 반추동물 조사료원으로서의 가치 평가

  • Kim, Young-Il (Animal Science, School of Life Resource and Environmental Sciences, College of Natural Sciences, Konkuk University) ;
  • Seok, Jun-Sang (Animal Science, School of Life Resource and Environmental Sciences, College of Natural Sciences, Konkuk University) ;
  • Kwak, Wan-Sup (Animal Science, School of Life Resource and Environmental Sciences, College of Natural Sciences, Konkuk University)
  • 김영일 (건국대학교 자연과학대학 생명자원환경과학부 축산학) ;
  • 석준상 (건국대학교 자연과학대학 생명자원환경과학부 축산학) ;
  • 곽완섭 (건국대학교 자연과학대학 생명자원환경과학부 축산학)
  • Received : 2010.02.17
  • Accepted : 2010.04.15
  • Published : 2010.04.30


An in situ ruminal disappearance trial and an in vivo sheep metabolism trial were conducted to evaluate the nutritional value of spent mushroom substrate (SMS, originated from Pleurotus osteratus bed-type cultivation). The raw SMS was ensiled (ESMS) for 30 days with 5% (w/w, DM basis) molasses, 0.5% (v/w) yeast (Saccharomyces cerevisiae) and 0.5% (v/w) lactic acid bacteria (Lactobacillus plantarum). Two ruminally cannulated Holsteins (average BW 620 kg) were used to evaluate in situ disappearance. Six sheeps (average BW 48 kg) were fed, in $3{\times}3$ Latin square design, rice straw alone (Control), 25% (ESMS-25) and 50% (ESMS-50) of rice straw were replaced with ensiled SMS. For an in situ trial, ruminal DM and neutral detergent fiber (NDF) disappearance of SMS were increased after ensiling (P<0.05). For a sheep trial, protein and fiber (NDF, acid detergent fiber, crude fiber) digestibilities were decreased (P<0.05), crude ash digestibility was increased (P<0.001), and nitrogen retention was not affected (P>0.05) as rice straw was replaced with ensiled SMS. Ruminating time was decreased by an average of 28% by feeding ensiled SMS (P<0.05). Ensiled SMS (Bed-type cultivation) had 76% of energy value of rice straw. Consequently, ensiled SMS (Bed-type cultivation, 100% cotton waste) could be used as a roughage source appropriate for maintenance type rations for ruminants.


Spent mushroom substrate;Spent mushroom compost;By-products;Ensiling;Roughage;Ruminant


Supported by : 건국대학교


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