commiss decis januari author method grade pig carcas netherland dutch text authent eec commiss european commun regard treati establish european econom commun regard council regul eec octob common organ market pigmeat amend regul eec articl thereof regard council regul eec novemb determin commun scale grade pig carcas amend regul eec articl thereof articl regul eec grade pig carcas determin estim content lean meat accord statist proven assess method base physic measur anatom part pig carcas author grade method subject complianc maximum toler statist error assess toler defin articl commiss regul eec octob lai detail rule applic commun scale grade pig carcas govern netherland request commiss author method grade pig carcas submit detail requir articl regul eec examin request reveal condit author grade method fulfil modif apparatu grade method author mean commiss decis adopt light experi gain measur provid decis accord opinion manag committe pigmeat adopt decis articl apparatu term hennessi grade probe hgp author sole method grade pig carcas netherland apparatu equip probe millimetr diamet millimetr blade top probe photodiod led siemen type lyu eo photodetector type mr oper distanc millimetr result measur convert estim lean meat content mean hgp comput link lean meat content carcas calcul formula estim percentag lean meat carcas thick backfat includ rind millimetr measur centimetr midlin split carcas fourth rib thick muscl millimetr measur time place formula valid carcas weigh kg articl modif apparatu assess method author articl author grade method revok articl decis address kingdom netherland brussel januari commiss fran andriessen vice presid oj oj jo oj oj