How Many Puppies Can A Shih Tzu Have On The Second Liter?

Doesn't matter how many litters they have had. 1 to 4 is average though can be more and a breeder finds out about that sort of things during prenatal evaluation. The second link is the breed parent club for you and the first is lots of breeding and whelping information for you.
q3525724.html#a2810229 http://www.americanshihtzuclub.org/ http://www.wildheirlabradorrescue.org/readingroom/what-is-a-back-yard-breeder.php 
http://members.tripod.com/antique_fcr/goodbreeder.html 
http://www.wonderpuppy.net/1breeding.php
http://www.petfinder.com/index.html