commiss decis august implement survei avian influenza poultri wild bird member state notifi document number ec commiss european commun regard treati establish european commun regard council decis eec june expenditur veterinari field amend decis ec articl thereof council direct eec introduc commun measur control avian influenza regular monitor poultri flock wild bird order assess presenc diseas popul foreseen experi shown strain avian influenza viru cover control measur direct abil mutat highli pathogen strain circul poultri popul time situat liabl high mortal poultri sever econom loss poultri industri decreas implement screen system member state earlier detect control precursor strain scientif committe anim health anim welfar issu opinion definit avian influenza vaccin avian influenza report recommend chang definit avian influenza order includ avian influenza strain erad measur survei carri determin preval strain poultri popul estim cost modifi diseas control measur novemb commiss organis symposium prepared influenza pandem human stress survei anim popul carri assess zoonot impact infect zoonot aspect anim health implic underlin survei influenza anim popul light survei develop commun polici influenza decid commun refer laboratori avian influenza weybridg drawn guidelin survei basi programm implement member state member state submit programm approv commiss financi assist commun grant measur provid decis accord opinion stand committe food chain anim health adopt decis articl member state submit approv commiss octob plan implement survei avian influenza poultri wild bird accord guidelin laid annex articl commun financi contribut measur refer articl rate cost incur member state sampl analys sampl maximum eur member state total articl decis address member state brussel august commiss david byrn member commiss oj oj oj annex programm surveil avian influenza poultri wild bird carri member state object perform initi screen detect infect avian influenza viru subtyp speci poultri precursor studi eu wide monitor contribut cost benefit studi relat erad subtyp poultri envisag chang definit avian influenza carri preliminari survei avian influenza wild bird member state establish contact prepar cooper ornitholog organis bodi lead implement perman surveil provid earli warn system strain introduc poultri wild bird contribut knowledg threat anim health wildlif initi step connect integr human veterinari network influenza surveil gener guidelin survei poultri wild bird test sampl carri nation refer laboratori member state result serolog virolog commun refer laboratori crl collat ensur flow inform crl provid technic support enlarg stock diagnost reagent ai viru isol submit crl virus subtyp subject standard characteris test nucleotid sequenc ivpi direct eec specif protocol accompani send materi crl tabl collect survei data provid crl stage survei poultri detect infect subtyp avian influenza poultri duck gees popul sampl reflect major poultri host member state sampl size adapt densiti poultri hold backyard flock includ survei group ideal includ seropreval studi fatten turkei chicken turkei breeder broiler layer abattoir farm game bird ratit member state carri sampl maintain statu free vaccin countri commiss decis ec utilis sampl breed flock examin antibodi number sampl host speci popul suscept infect influenza viru greater focu turkei compar broiler region blood sampl collect speci poultri serolog examin sampl carri member state region ideal defin articl council direct eec prefer select high densiti poultri consid repres member state take account number hold sampl number defin ensur identif infect hold preval infect hold confid interv tabl number bird sampl hold defin ensur probabl identifi posit bird number seroposit bird amp gt sampl prefer abattoir bird hold sampl test tabl number hold test select region gt tabl gt detect infect subtyp duck gees hold duck gees prefer bird field cloacal swab faec virolog investig virolog examin carri serolog investig identifi duck gees depend local factor product method avail test sampl adapt identifi period presenc poultri host pose greater risk introduct diseas total number poultri hold area question sampl size defin ensur identif infect hold preval infect hold confid interv tabl sampl virolog serolog investig prefer abattoir select hold swab virolog investig test pool sampl blood sampl case serolog test survei avian influenza wild bird survei design implement liaison bird conserv watch institut ring station sampl carri staff group station cooper hunter obtain sampl bird hunt sampl procedur cloacal swab virolog examin host speci high suscept increas contact poultri mallard duck addit quot year quot bird autumn offer highest chanc success distribut speci ideal waterfowl shorebird free live bird swab faec fresh carefulli collect faec wild bird trap hunt found freshli dead pool sampl speci laboratori test serolog test carri haemagglutin inhibit test accord direct eec design strain suppli commun refer laboratori initi test turkei ontario test posit ostrich denmark elimin cross reactiv antibodi initi test turkei england test posit african starl elimin cross reactiv antibodi initi screen altern valid assai test poultri sampl oj oj