1. A dog with a diet that consists mostly of dry food requires more water than a dog whose diet is comprised of wet or raw food.

2. Dogs prefer cold water.

3. Snow is not a suitable supplement to water.  Ditto for salt water.

4. A healthy (but not overzealous) appetite for water can be an indicator of health, as it is directly related to kidney wellness.

5.  Dogs drink out of the toilet because: the porcelain naturally cools the water, the flushing keeps water “fresh” (so to speak) and oxygenated, and the water’s relatively clean.   Note: We do not recommend this.  The toilet can be filled with both bacteria and toxins from cleaning solutions.

Sources:

http://ezinearticles.com/?7-Facts-About-Drinking-Water-for-Dogs&id=845422

http://www.ehow.com/how_4595450_dog-cat-drink-water.html

http://www.vetinfo.com/bad-water-dogs.html

http://dogs.about.com/cs/generalcare/f/snow_water.htm

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