Golden Retriever Puberty Age. But on the other hand giant breed dogs go into heat as late as 18-24 months. 1102020 But the fact remains that there are many risks attached to being spayed before the first heat when the dog is still growing and has not yet reached puberty.

For dogs that are of a smaller breed---the average however is the age of six months. The changes begin gradually and this unique period can last up until your pups 2nd birthday. At what age should I breed my female German shepherd.
This will vary depending on if they are a small medium or large breed dog.
The mother might also reject the runt instinctively as part of the process of natural selection. This will vary depending on if they are a small medium or large breed dog. Lets take a look at the pros and cons of both sides of the debate. For Golden Retrievers this typically occurs before they are one year of age.