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View Full Version : Age ofJack Russel puppy before she goes into heat?

madmaxdean2003
Dec 20, 2013, 02:33 PM
How old is a Jack Russel puppy before she goes into heat??
LadySam
Dec 20, 2013, 08:38 PM
The general rule is 6 months, also the best time to have her spayed.