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Chemical composition and digestibility of Stipa caphillata-Cleistogenes squarrosa communities in the Eastern Mongolian rangelands

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  • Forage samples from Stipa caphillata-Cleistogenes squarrosa communities from the Eastern Mongolian rangelands were analysed for chemical composition and digestibility. Samples were collected at 10-days intervals from 30th June to 10th September. The study indicated that OM content of Stipa caphillata-Cleistogenes squarrosa communities ranged from 94.4 to 95.2%. The highest value (10.2%) of CP was found at the end of June, the lowest value (8.0%) was found in September. Forage NDF and ADF ranged from 61.4 to 66.1%, and from 36.8 to 39.6%, respectively. DMD ranged from 66.5 to 71.9%. Cumulative in vitro gas production during 70 h fermentation of forages ranged from 243.6 to 276.1 ml/g. A year old standing dead of these communities has showed similar nutritive value as that of cold season straw hay.
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  • Daalkhaijav, D., M. Shagdarsuren, and S. Tserendash. 2003. Chemical composition and digestibility of Stipa capillata-Cleistogenes squarrosa communities on the Eastern Mongolian rangelands (in Mongolian, with English abstract). Proc. of Animal Management School, 5:21-25. University of Agriculture, Ulaanbaatar. Mongolia.
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  • Research Institute of Animal Husbandry, Ulaanbaatar, Mongolia.Eastern Oregon Agricultural Research Center, Union, Oregon, USA
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