However, for an endangered breed of the bovine, porcine, ovine and caprine species and for ‘hardy’ sheep breeds for which there are not enough purebred male reproductive animals, Member States should have the possibility to authorise the breed societies to apply less stringent rules for upgrading the progeny of those animals recorded in supplementary sections to the main section of the breeding book in order to avoid the further deterioration of the genetic diversity of those breeds.
I gcás pór den speiceas buaibheach, den speiceas mucúil, den speiceas caorach agus den speiceas gabhair atá i mbaol agus i gcás pórtha “crua” caorach nach bhfuil dóthain ainmhithe atáirgeacha folaíochta fireanna ann díobh, áfach, ba cheart an fhéidearthacht bheith ag Ballstáit a údarú do chumainn phóir rialacha nach bhfuil chomh dian a chur i bhfeidhm maidir le sliocht na n-ainmhithe sin atá taifeadta sna codanna forlíontacha a ghabhann le príomhchuid an phórleabhair a uasghrádú chun go seachnófaí aon mheathlú eile ar éagsúlacht ghéiniteach na bpórtha sin.