Breeder guideOctober 28, 2026
Managing Cancer Risk in Dogs: A Practical Guide for Breeders
Plain-language breeding decisions when hemangiosarcoma, mast cell tumors, lymphoma, osteosarcoma or histiocytic sarcoma appear in a pedigree.
Resources
Breeder guides, literature reviews and interactive demonstrations on the genetics of canine health, organized by topic. Every document is free to read online, and most can be downloaded as a PDF.
Cancer
Hemangiosarcoma, mast cell tumors, lymphoma, osteosarcoma and histiocytic sarcoma: what the genetics literature shows, and how breeders can reduce risk with estimated breeding values (EBVs).
Literature reviewOctober 28, 2026
The Genetics of Canine Cancer: A Practical Summary of the Peer-Reviewed Literature
Heritability and GWAS findings for five major canine cancers, why they are polygenic, and how EBVs can reduce cancer incidence through selection.
ArticleSeptember 2026Golden Retriever
Identifying Young Puppies at Risk of Developing Hemangiosarcoma Later in Life
How estimated breeding values, and genomically enhanced EBVs, could reduce hemangiosarcoma in Golden Retrievers by identifying at-risk family lines early.
Cataracts
Telling hereditary from non-hereditary cataracts, what the ACVO “Blue Book” recommends, and practical breeding decisions when cataracts appear in a pedigree.
Breeder guideOctober 28, 2026Labrador Retriever
Managing Inherited Cataracts in Dogs: A Practical Guide for Labrador Retriever Breeders
Whether to breed a dog, its offspring or its siblings when cataracts appear in the pedigree: the key decision points in plain language.
Literature reviewOctober 28, 2026Labrador Retriever
Genetic Inheritance of Cataracts in Labrador Retrievers: A Practical Summary of the Peer-Reviewed Literature
Prevalence, the hereditary posterior polar cataract, PRA-associated and other secondary cataracts, CAER exams and ACVO breeding recommendations.
Hip Dysplasia
Hip quality as a polygenic trait: how many genes of small effect combine to produce the range of PennHIP distraction index (DI) scores seen in a breed.
Interactive demoAugust 25, 2026Labrador Retriever
Hip Quality in Dogs: A Polygenic Trait in Action
An interactive Galton board showing how PennHIP distraction index (DI) breeding values arise from many genes of small effect.