Shih Tzus are generally from Japan!
The Shih Tzus nickname is "The lion dog".
Shih Tzus are primarily used as Companion Dogs.
Some shih-tzus have cherry eyes. My shih tzu has one.
Black Shih Tzus are not considered "Rare" but there not as common as the black and white Shih Tzus. I recommend this breed to anyone.
Shih tzus can live with any dog as long as there not vicious, and are socialised properly.
23,000 to 32,000
Shih tzus weigh 9 to 16 lbs. I have two Shihtzus and they both weigh 14lbs.
A shih tzus pregnancy lasts up to two months and when your shih tzus is in labor she will start hyperventalating. so check up on her on the 63rd day of her pregnancy because that's her labor day.
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Why Yes They Do
Just like your question, both of the male shih tzus are the fathers.