Golden Retriever Heat Cycle Chart. Golden Retrievers will not always conceive after one breeding and will generally mate multiple times in one heat cycle. This stage of the female heat cycle will last from 4 to 20 days.

During the early phase of the Estrus cycle your dog may not be receptive to male dogs. He enjoys training him but most of all playing with him. The Bitchs Heat Cycle.
He enjoys training him but most of all playing with him.
The Golden Retriever. The cycle can be shorter. This stage of the female heat cycle will last from 4 to 20 days. This will get rid of all the health issues that come up with early spaying and allows the dog to go through puberty.