Dogs should get at least 30 minutes of exercise a day.
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it should be around a human theeth?
This depends on the dog dimensions ! For a big dog - 35 foot2.
Well, many dogs. Depending on your family, attitude, and routine. If you have children, you should maybe get a Lab or Golden. If you have a farm you should get a Farm Dog.( Any) If you want a guard dog, get a German Shepherd There are many more choices
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A dog should have one bath every week a month for optimal cleanliness.
You should change your dog's drinking water a couple of times daily
None, a dog should only get bathed when it's really, really dirty.
For a adult dog it is about 3500Kcal/Kg
When the female dog is ready for mating, one time is enough.
Dogs should stick to eating dog food. Keep cups and glassware out of reach.