council decis decemb conclus protocol amend european convent protect anim farm purpos eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe decis eec commun approv european convent protect anim farm purpos hereinaft refer convent commun deposit instrument approv committe minist council europ adopt novemb protocol amend convent order account technic scientif develop livestock farm dispar nation law protect anim farm purpos give rise unequ condit competit indirect effect proper function common market convent cover matter fall scope common agricultur polici commun particip contribut achiev object protocol amend approv decid articl protocol amend european convent protect anim farm purpos approv behalf commun text protocol attach decis articl presid council deposit instrument approv accord articl protocol amend brussel decemb council presid gummer oj oj oj