Shih Tzu puppies will always teethe, so it's important to reinforce positive behavior when they are chewing on something that they are allowed to chew on. Discover ways to stop a Shih Tzu puppy from biting something that they shouldn't bite with help from a veterinarian in this free video on dog training.hih Tzu puppies will always teethe, so it's important to reinforce positive behavior when they are chewing on something that they are allowed to chew on. Discover ways to stop a Shih Tzu puppy from biting something that they shouldn't bite with help from a veterinarian in this free video on dog training.
not to scale). Equinoxes and solstices are opposite on either side of the equator, and the March equinox is also known as the spring (vernal) equinox in the northern hemisphere and as the autumnal (fall) equinox in the southern hemisphere.
The March equinox may be taken to mark the beginning of spring and the end of winter in the Northern Hemisphere but marks the beginning of autumn and the end of summer in the Southern Hemisphere. In astronomy, the March equinox is the zero point of sidereal time and, consequently, right ascension.