set in their breeding programme a period for the establishment of the new breeding book that is appropriate for the generation interval of the species or the breed concerned;
socróidh siad ina gclár póraithe tréimhse chun pórleabhar nua a bhunú a bheidh iomchuí d'eatramh idir glúine an speicis nó an phóir atá i gceist;