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Anestrus or Diestrus. Proestrus is when the female is about to go into estrus, and Metestrus is the period before Diestrus and after Estrus which the female goes out of heat and ovulation ends.
By the 2nd or 3rd heat which is about one and half or two yrs old.
Well, when dogs are 1 year old they are an adult. So my answer is a year or older is good.
Given the usual conditions : intact female, fertile age, in heat, gets to mate with an intact male - sure.
Yes, Chihuahuas can get the flu.
Chihuahua's were worshipped by the Toltec's in ancient Mexico.
Chihuahuas originated from the state of Chihuahua, Mexico.
Chihuahuas live in Mexico.
Chihuahuas have UFO's for ears.
chihuahuas have sensitive stomachs
Its not.
i dont know. i am gus bus. i never get pregnant.