Etiology (/iËtiËÉlÉdÊi/; alternatively aetiology or Ã¦tiology) is the study of causation, or origination. The word is derived from the Greek Î±á¼°ÏÎ¹Î¿Î»Î¿Î³Î¯Î±, aitiologia, giving a reason for (Î±á¼°ÏÎ¯Î±, aitia, cause; and -Î»Î¿Î³Î¯Î±, -logia).
A female dog will generally stay in heat for about three weeks or around 21 days.However, this heat cycle will vary from one dog to the next. It depends on the breed, the age and the dog herself. A female dog will go into heat twice a year. female dog will generally stay in heat for about three weeks or around 21 days.
How Long Does A Dog Stay In Heat. admin November 17, 2013 pets No Comments. Thereâs an old saying about a man trying to pick up women in the bar that heâs âprancing around here like a dog in heatâ. Ironically, âin heatâ, or Estrus, refers to the time in which a female dogâs reproductive system is receptive to mating.