Maltese Menstrual Cycle. The term heat is simply the name applied to the female dog s menstrual cycle. Ideally your dog should be spayed before she enters her first heat cycle.
Early in the cycle a female dog may not be receptive to male dogs although some are receptive through the entire cycle. It will be argued that this failure is the result of inadequate analytic approaches and poorly specified theories which have not considered the complexity of the relevant molecular pathways. Heat usually lasts between 2 4 weeks.
Most female dog heat cycle is experienced at least twice a year or once every seven months.
Heat usually lasts between 2 4 weeks. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Early in the cycle a female dog may not be receptive to male dogs although some are receptive through the entire cycle. If heat has not occurred by 16 months there could be a problem and a veterinarian.