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Because of genetics, no dog regardless of breed or cross is safe from inherited health issues. A big myth that many less than ethical breeders of both purebreds and designer mutts will use is that their
dogs are genetically free of all health issues. (Please for more on this topic, read reknowned canine geneticist Dr. George Padgett's article in Dog World from January of 1997 where he discusses the over 102 genetic issues that cross bred dogs can have). Hybrid vigor does NOT exists in the crossbred dog or the world of domestic dogs regardless of what anyone states.
Well, first, many health issues have no genetic test - just screenings. But even with this knowledge, a good breeder will screen potential breeding dogs. Since there are many health problems
that can be found in various and even all breeds, no breed or cross is safe from them. It is up to the breeder to screen for what they can and have the dogs certified where applicable (such as OFA - Orthopedic
Foundation of America).
Please click on the breeds in the cross/designer mutt you are looking at. Compare the lists and you will get an idea of what the cross can inherit. Please
note that the lists of inheritable issues are not complete. Just the more common hereditary or possible hereditary health issues are listed. Also note, that some things most assume are not hereditary may actually have a hereditary basis like predisposition to ear infections and allergies or a predisposition to the often fatal problem of "bloat." Hips dysplasia is found in all breeds of dog from tiny to giants. It was discovered no longer to be a "big dog" problem. Even if it is not listed under the breed you are checking, please note that no breed or cross is immune from this hereditary issue. Any breeder should at least OFA or PennHip certify their dogs along with CERF and Thyroid.
This list will frequently be added to.
Presently it is addressing the more common breeds seen in the designer mutt/poo-dog phenomenon. The breed list is more or less in alphabetical order - scroll down to find the breeds you need to know about.
To learn more about some of the hereditary issues you will find listed under each breed, please click here:
American Bulldog
Anatolian Shepherd
American Pit Bull Terriers & American Staffordshire Terriers
Basset Hounds
Beagles
Cocker Spaniels
Collies
French Bulldogs
Golden Retrievers
Labrador Retrievers
Neapolitan Mastiffs
Mastiff (English)
Pekingese
Pomeranians
Poodles (all sizes)
Schnauzers (Standard and Mini)
Shetland Sheepdogs/Shelties (erroneously called Mini Collies/Toy Collies)
Shih Tzus
Yorkshire Terriers
Anatolian Shepherd
Hips, Hypothyroid, Eye issues, bloat.
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Mastiffs (English)
Hips, Eyes, Various joint issues (DJD, OCD, Panosteitis,etc), Various heart issues, Hypothyroidism, von Willebrand's
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Schnauzers
Standard: Hip Dysplasia, eye problems, von Willebrands (bleeding disorder)
Mini: Auto immune problems, Myotonina Congenita (muscle problem), melanoma (possible hereditary predisposition), eye problems
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Pomeranians
Collapsing trachea, herniated discs, luxating patellas, skin problems, fontanels (soft spots in the skull).
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French Bulldogs
Luxating Patellas, Thyroid, Hip Dysplasia, Hemivertibra, transitional vertebra, cataracts, other eye issues, heart, spinal,
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Pekingese
Various eye issues (including eyelid abnormalities), tracheal issues, heart issues, Luxating patellas, herniated discs, breathing issues, cleft palate, jaw bone problems, small or missing nostrils,
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Collies
Bloat, Collie Eye Anomaly, Dermatomyositis, Discoid Lupus Erythematosus, Hip Dysplasia, Progressive retinal atrophy, thyroid, von Willebrands (bleeding disorder)
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Shetland Sheepdogs
Hip dysplasia, Progressive Retinal Atrophy, Dermatomyositis (skin problem), "Sheltie eye", Epilepsy, Thyroid, von Willebrands (bleeding disorder).
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Basset Hounds
Glaucoma, bleeding disorders, Entroption, Bloat/Gastric Torsion and Patellar Luxation, Hip Dysplasia, Wobbler Syndrome, epilepsy, eye problems, bloat, OCD (growth problem with inheritable and nutritional
factors), Thrombopathia (bleeding disorder), von Willebrands (bleeding disorder), corneal dermoid cycts.
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Beagles
Cherry eye, Hip Dysplasia, Progressive Retinal Atrophy, Elongated Soft Palate, Cleft palate, Ddegenerative Disc Disease (more prevalent in some lines), Sub-aortic Stenosis,
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Shih Tzus
Renal Dysplasia (kidney problem), liver disease (chronic hepatistis - some forms thought to be inherited), portal-caval shunt (liver), cleft palates, hip dysplasia, thyroid problems, predisposition to
allergies/ear infections, progressive retinal atrophy (PRA - eye problem),
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Labrador Retrievers:
Addison's Disease, Epilepsy, Osteochondrosis Dissecans (OCD), Hip Dysplasia, Progressive Retinal Atrophy,cataracts, eye abnormalities, and bloat.
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Poodles
Standard: Addison's Disease, Hip Dysplasia, Progressive Retinal Atrophy, von Willebrand's bloat, cataracts, severe skin disease.
Mini and Toy: Progressive Retinal Atrophy, cataracts, glaucoma, eye and ear infections, digestive problems, skin conditions, heart disease, and epilepsy.
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Golden Retrievers
Hip and Elbow Dysplasia,Cataracts, Eyelid/lash problems, Epilepsy, hypothyroidism, Subvalvular Aortic Stenosis
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Yorkshire Terriers
Luxating Patella, open fontanellas, Legg-Perthe's disease, portal-caval shunt (liver-related) elongated soft palate and a tendency to collapsed trachea, eye problems
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Cocker Spaniels
hip dysplasia, progressive retinal atrophy, epilepsy, poor temperaments, allergies, skin and ear problems, Legg-Calve-Perthes, luxating patellas , hypothyroidism, cryptorchidism, gastric torsion,
"cherry-eye."
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American Bulldog
hip dysplasia, hypothyroidism, some eye problems.
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Neapolitan Mastiffs
hip dysplasia, osteochondritis, elbow dysplasia, thyroid abnormalities, weakened immune systems, various eye problems, skin problems
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APBTs & Am. Staffs
Since these breeds are very closely related (started as the same breed decades ago, though many people consider them different breeds now) these dogs have been combined.
Thyroid, von Willebrands, hip dysplasia, predisposition to demodetic mange (possibly related to immune system function).
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