every two weeks. it is hard to tell when they are actually cycling though.
1hour
My dogs first heat cycle lasted about 4 weeks.
A dog's heat cycle is 3 weeks. It does not matter what breed or size of dog it is, they all have the same length for their heat, which is 3 weeks.
3 weeks
Heat cycle lasts for several days up to three or four weeks.
A beagle does not have a menstrual cycle. Instead dogs have heat cycles. Typically they will go in heat once they turn 6 months old and will go in heat every 3 to 4 months.
what controls the heat pump to determine whether it is in the heating cycle or cooling cycle
Dogs are in heat for about twenty one days. There are three stages in a female dogs' heat cycle.
A donkey's heat cycle can vary since no two donkeys are the same. However, the average heat cycle tends to be anywhere between 23 and 30 days.
If it is swelling due to her heat cycle, about three weeks or so.
Usually between 14 and 21 days.
5 sheep