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IntroductionAtpresent,thcrearel11anyl11etl1odstodccidefbodco11-stiintion8fherbivores,sucI1asstol11acl1a11al}'sis,fcccsanalysisanddirectobservation.Sol11co11calsouscdesoPl1agusfistulal11etl1odtoanalyzc.Sincel97(),fecesanalysiswaswildlyusedbecauseofitseasiersampIinganditslittledisturba11cetoanimal(Vavractal,l98(),Norburg,l988,GaoZl1o11gxinctal,l99l).Tllisnlctllodt`asalsouscdintI1isstud}'.Tllccxpcri-lllclltaln1aterialcamcfron1XinbarI1uyou,HuIUI1bcir,tvllicllI4'bctWccnlol1gitudcll5"-ll7"48'… 相似文献
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