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1、WT/DS291/R/Add.7WT/DS292/R/Add.7WT/DS293/R/Add.7PageI-197ANNEXI-3COMMENTSBYARGENTINAONTHEREPLIESBYTHESCIENTIFICEXPERTSTOTHEQUESTIONSPOSEDBYTHEPANEL31JANUARY2005COMMENTONREPLIESTOQUESTIONSBYDR.ANDOWQuestion33.OnthebasisoftheinformationbeforethePanel,ist
2、hereanyscientificevidencetosupportthehypothesisthatwide-spreadcultivationofBtcropssuchasbiotechmaizeoftheBtvarietyadverselyaffectsnon-targetorganismswhichmaybeexposedtosuchcropsundertypicalagriculturalpractice?(See,interalia,EC-149,EC-150,EC-151,EC-152
3、)Ifso,howdoesthisriskcomparewithriskstonon-targetorganismsarisingfromnon-biotechapplicationsforBttoxins(i.e.,theuseofBttoxinasaninsecticideinconventionalandorganicfarming)?Whatriskmanagementoptionsareavailabletomitigateanyresultingrisksandwhatistheiref
4、ficacy?Scientificevidence03.01.Intheanswertothisquestion,IwillconcentrateonBtmaizeandBtcotton.Yes.thereissomescientificevidencetosupportthehypothesisthatwide-spreadcultivationofBtcropsadverselyaffectsnon-targetorganismswhichmaybeexposedtosuchcropsunder
5、typicalagriculturalpractice.However,thisevidenceisinsufficienttoestablishthehypothesisthatsuchadverseeffectsareexpectedtooccur.CommentsbyArgentinaThisstatementstartsmentioningthatthereis"some(sic)scientificevidencetosupportthehypothesis"…,ofnon-targete
6、ffectsonorganisms,"whichmaybeexposed",andendsthat"thisevidence(sic)isinsufficienttoestablishthehypothesisthatsuchadverseareexpectedtooccur".Itisclearfromthiswordingthatthereisnosolidevidencetosupportthefactthattheorganismswillactuallybeexposedinawaywhi
7、chmaybeofconcernaboutthesafetyoftheBtcropsmentioned.03.02.Thereviewofnon-targeteffectsofBtplantsinEC-149covered13laboratorystudiesevaluatingpotentialhazard,and14fieldstudiesaimedatevaluatingpotentialrisk.Ofthe13labstudiesreviewed,Iconcludethatfivestudi
8、esdidnotexposethetestorganismsproperlyandthereforeareirrelevanthazardevaluations(anorganismmustbeexposedtoevaluatehazard).Intwoadditionalstudies,fourofeighttestspecieswerenotproperlyexposed.Oftheremaining,sevenspecieswerestudied.1Ofthes
