Relevant genetic diseases by breed Please find below a list of the most relevant genetic diseases by breed. Please click on the different diseases for more information. Cat breed Genetic disease Abyssinian Progressive Retinal Atrophy (rdAc) Pyruvate Kinase Deficiency (PKDef) American Curl Progressive Retinal Atrophy (rdAc) American Wirehair Progressive Retinal Atrophy (rdAc) Asian Burmese Head Defect Burmese Hypokalaemia Polycystic Kidney Disease (PKD) - low prevalence Pyruvate Kinase Deficiency (PKDef) - for GGCF Active register Australian Mist Burmese Head Defect Burmese Hypokalaemia Pyruvate Kinase Deficiency (PKDef) Balinese Progressive Retinal Atrophy (rdAc) Bengal Bengal Progressive Retinal Atrophy (PRA-b) Pyruvate Kinase Deficiency (PKDef) Birman Polycystic Kidney Disease (PKD) - low prevalence Bombay Burmese Head Defect Burmese Hypokalaemia Polycystic Kidney Disease (PKD) - low prevalence British Blue Polycystic Kidney Disease (PKD) British Shorthair British Shorthair Autoimmune Lymphoproliferative Syndrome (ALPS) Polycystic Kidney Disease (PKD) Burmese Burmese GM2 Burmese Head Defect Burmese Hypokalaemia Relevant genetic diseases by breed Burmilla Burmese Head Defect Burmese Hypokalaemia Polycystic Kidney Disease (PKD) - low prevalence Chinchilla Persian Progressive Retinal Atrophy Polycystic Kidney Disease (PKD) Colourpoint Progressive Retinal Atrophy (rdAc) Shorthair Cornish Rex Burmese Hypokalaemia Polycystic Kidney Disease (PKD) - low prevalence Progressive Retinal Atrophy (rdAc) Devon Rex Burmese Hypokalaemia Congenital Myasthenic Syndrome (CMS) - low prevalence Polycystic Kidney Disease (PKD) - low prevalence Egyptian Mau Pyruvate Kinase Deficiency (PKDef) Exotic Shorthair Persian Progressive Retinal Atrophy Polycystic Kidney Disease (PKD) Himalayan Persian Progressive Retinal Atrophy Polycystic Kidney Disease (PKD) Javanese Progressive Retinal Atrophy (rdAc) Korat Korat GM1 Gangliosidosis - low prevalence Korat GM2 Gangliosidosis - low prevalence La Perm Pyruvate Kinase Deficiency (PKDef) Maine Coon Maine Coon HCM Pyruvate Kinase Deficiency (PKDef) Spinal Muscular Atrophy (SMA) Norwegian Forest Glycogen Storage Disease Type IV (GSD IV) Cat Pyruvate Kinase Deficiency (PKDef) Ocicat/Aztec Progressive Retinal Atrophy (rdAc) Pyruvate Kinase Deficiency (PKDef) - for GCCF import registry Relevant genetic diseases by breed Oriental Shorthair Progressive Retinal Atrophy (rdAc) Persian Persian Progressive Retinal Atrophy Polycystic Kidney Disease (PKD) Ragamuffin Polycystic Kidney Disease (PKD) - low prevalence Ragdoll HCM Ragdoll Polycystic Kidney Disease (PKD) - low prevalence Ragdoll HCM Savannah Progressive Retinal Atrophy (rdAc) Pyruvate Kinase Deficiency (PKDef) Selkirk Rex Polycystic Kidney Disease (PKD) - low prevalence Siamese Korat GM1 Gangliosidosis - low prevalence Mucopolysaccharidosis VI (MPS VI) - low prevalence Progressive Retinal Atrophy (rdAc) Siberian Polycystic Kidney Disease (PKD) - low prevalence Pyruvate Kinase Deficiency (PKDef) Singapura Burmese Hypokalaemia Progressive Retinal Atrophy (rdAc) Pyruvate Kinase Deficiency (PKDef) Snowshoe Polycystic Kidney Disease (PKD) - low prevalence Somali Progressive Retinal Atrophy (rdAc) Pyruvate Kinase Deficiency (PKDef) Sphynx Burmese Hypokalaemia Congenital Myasthenic Syndrome (CMS) - low prevalence Tiffanie Burmese Hypokalaemia Polycystic Kidney Disease (PKD) - low prevalence Tonkinese Burmese GM2 Burmese Head Defect Burmese Hypokalaemia Progressive Retinal Atrophy (rdAc) Pyruvate Kinase Deficiency (PKDef) .