Using data from the Golden Retriever Lifetime Study, researchers will determine if (and the degree to which) inbreeding affects adult body size and fecundity (litter size) in female golden retrievers.

Using data from the Golden Retriever Lifetime Study, researchers will look at annual wellness testing results to determine the magnitude of year-to-year changes in laboratory values in healthy dogs.

Using data and samples from the Golden Retriever Lifetime Study, researchers will analyze the gut microbiome in healthy weight and obese dogs to determine if the microbiome differs between these two populations and could contribute to obesity in the breed.