Age When Heat Commences. While it is not a hard rule, most females come into their first heat cycle around six months of age, although some females wait as long 12 to 18 months old. Very large breed females may begin cycling as late as 24 months old.
Florence is a city in Boone County, Kentucky, United States. The population was 29,951 at the 2010 census. The Florence area was originally known as Crossroads, because of the convergence of several roads from Burlington and Union at Ridge Road (now U.S. 25). By 1821, the area was known as Maddentown, named for Thomas Madden, a Covington attorney who owned a farm on the Burlington Pike.
Jefferson County, Kentucky. Jefferson County is a county located in the U.S. state of Kentucky. As of the 2010 census, the population was 741,096. It is the most populous county in Kentucky and is more than twice as large as the second most populous, Fayette. The county was formed in 1780 and named for future President Thomas Jefferson, who was Governor of Virginia at the time.