Everyone who has a pet wants it to live a long and happy life. Taking the pet to the vet often for checkups can help with this. But diagnostic tests are needed for a vet to get a better idea of how healthy a pet is. Just like with people, pets may not look like how they feel on the inside. But good diagnostic tests could help the vet find and treat a problem before it worsens. Some of the tests you need to do to figure out what's wrong with your pet are:Clinical ChemistryClinical chemistry studies how chemicals are...