One reason for refusal could be that the approval of a further breeding programme for the same breed would compromise the preservation of that breed or the genetic diversity within that breed in that Member State.
Cúis amháin a d'fhéadfadh a bheith le diúltú ná dá ndéanfaí clár póraithe eile don phór céanna a fhormheas go ndéanfadh sé dochar do chaomhnú an phóir sin nó don éagsúlacht ghéiniteach laistigh den phór sin sa Bhallstát sin.