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how long does a dogs menstral cycle last

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asked Dec 6, 2013 in Dogs by anonymous
recategorized Dec 6, 2013 by DeniseC
   

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Non-spayed female dogs will go into "heat" or estrus usually twice a year. The age at which they start their cycles and the duration of the cycle varies greatly between the breeds of dogs and individual dogs. Learn more facts about canine estrus in this FAQ. Refer this link to know more: http://vetmedicine.about.com/od/pregnancybirthindogs/f/k9_estrus.htm

answered Dec 7, 2013 by amanda01 Inquisitive Expert (92,460 points)

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