View What Happens When A Dog Goes Into Heat PNG. Dogs have an average of two heat cycles per year, roughly six months apart. Although it varies with different breeds and individual dogs, an unspayed female usually goes into heat twice yearly, about every six months.
He barks and whines and is so annoying.
Smaller dogs usually get their first heat sooner than the larger dogs do. How can you tell your dog is in heat? So, she's not eating nearly as much as before going into heat. We have tried talking to our neighbor, they said we need to keep our dog inside (which we do) and that he will stop.