Man pages matching name bio::primerdesigner in section 3pm:

Bio::PrimerDesigner.3pm.en	debian 10 / libbio-primerdesigner-perl
Bio::PrimerDesigner.3pm.en	debian 11 / libbio-primerdesigner-perl
Bio::PrimerDesigner.3pm.en	debian 12 / libbio-primerdesigner-perl