Join Date: Aug 2006
Location: North Central Wisconsin
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Historically, my girls go into heat somewhere between 9 and 13 months of age. I have never had one go in as early as 6 or 7 months but I am sure there are lines that do.
My girls generally display humping and riding behavior about 6 weeks in advance of going into season. Their vulva also starts to swell, and sometimes they are, well, downright "bitchy" acting :-)
Some bleed like stuck pigs and are awful to deal with and others have just a few drops here and there. I can also watch how the boys behave around them, to tell if they are starting to smell good to them.
If you have neighbors, you will want to watch for visiting boys and do not let her out of your sight. It is impossible to overestimate the determination of a male dog when they know there is a bitch in season.
Tahnee Golden Retrievers