Estimated Breeding Values (EBV) National Golden Retriever Council Posted on April 3, 2017 by Carla OdonnellApril 24, 2018 The NGRC is currently collecting Hip and Elbow information with an aim to develop EBV’s for Golden Retrievers. If you have hip and elbow certificates and would like to contribute to this research project then please check out the Estimated Breeding Values page on our website for further information or click here.