When Do Puppies Go into Heat?

Answer

The average age that a female puppy will go into heat for the first time is around 6 months of age. This age can vary, with some starting earlier, or later, up to 14 months. You can find more information here: http://ezinearticles.com/?id=27237
Q&A Related to "When Do Puppies Go into Heat"
yes when they are big to give birth to 7-8 puppies a year.
http://wiki.answers.com/Q/When_do_chihuahua_puppie...
Dogs generally come into heat, or estrus,about 4 to 6 months of age.It does depend on the breed as the small dogs will generally come into heat earlier than a larger breed.
http://www.ask.com/web-answers/Science/Nature/what...
The average female dog has her first cycle (goes into heat) at about
http://www.chacha.com/question/when-do-female-pupp...
1. Take your dog's temperature rectally. Place lubricant on the end of the thermometer, insert it into her rectum and leave it in for about three minutes. A dog's normal temperature
http://www.ehow.com/how_5993854_chihuahua-going-pu...
1 Additional Answer
Puppies can go into heat as young as five months. Puppies are supposed to be inside most of there puppy days to protect them from getting sick. They are more prone to get sick since they are new to the world.
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