The most obvious sign of a Shih Tzu before giving birth is the discharge of dark green viscous fluid from the vagina, which means that the dog's amniotic water has broken and labor will begin in about half an hour. Shih Tzu is a small dog with relatively weak physical strength, so it is necessary to supplement nutrition for the dog before and after giving birth to avoid malnutrition or calcium deficiency. You can prepare some liquid food, liquid calcium, and egg yolks that are easier for the dog to digest and absorb. , nutritional paste and other foods.