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Yes, heart murmurs in dogs are hereditary. Generally any heart problems that the mother or the father of a dog has is usually passed down to the puppies.
full grown dogs? probably not, but my friend's kitten was put down because of an abnormal heart murmur. It depends upon the cause, there are benign heart murmur that cause no ill effects. There's also heart murmurs caused by a defect that will result i the dog feeling tired and having less energy than he or she would normally have.
No
it dosent
No. Dogs can tell what the weather will be before humans can, though.
in which weather dogs can live?
On the contrary, exercise and activity are good for murmur dogs. They leaner and more fit you keep them, the less strain on their heart. As long as he is not wheezing or lethargic, I wouldn't worry. Sometimes puppies can even grow out of heart murmurs, or so I've heard. I'd like to add, make sure you take care of his teeth, as there is a connection yucky teeth and heart problems.
Dogs live everywhere around the world it maters what type of dog some dogs adapt better in warm weather and other dogs adapt more to cold weather
It can, just like peoples' skin can be dry and chapped some dogs paw pads are the same way.
Yes it do affect the dogs health and the dog becomes lassy
The same as your heart does for you: pumps blood.
A prairie dog weather rocks by burrowing.