Biodegradation of urea-NH3 treated wheat straw using anaerobic rumen fungi
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National Dairy Research Institute, Dairy Microbiology Division, Karnal -132 001, India
National Dairy Research Institute, Dairy Cattle Nutrition Division, Karnal -132 001, India
Publication date: 2007-09-06
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K. Singh   

National Dairy Research Institute, Dairy Microbiology Division, Karnal -132 001, India
J. Anim. Feed Sci. 2007;16(3):484-489
In present study, the in vitro dry matter digestibility and cell-wall content degradation of urea-NH 3 treated wheat straws were reported by incubating with rumen liquor and anaerobic fungi i.e. Orpinomyces sp. C-14 or Piromyces sp. WNG-12. The maximum digestibility of dry matter (55.8%) in urea-NH3 treated wheat straws was shown by Piromyces sp. WNG-12, when compared to Orpinomyces sp. C-14 (54.3%) and control (45.5%) after 72 h. The cell-wall contents in terms of percent neutral detergent fibre, acid detergent fibre and acid detergent lignin were found to decrease significantly when wheat straw was treated with Piromyces sp. WNG-12, followed by Orpinomyces sp. C-14 and controls, for 48 or 72 h.
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