Cow brains. Sheep guts. Chicken heads. Road kill. Rancid grain. These are a few of the so-called nutritionally balanced ingredients found in the commercial pet food served to companion animals every day.
The earliest sign of pregnancy in a Shih Tzu is often behavioral changes. She may demand extra attention or she may become depressed, lethargic and withdrawn. In these cases, try to give her as much emotional support as possible to help her retain the pregnancy. Gestation last about 63 days.