lab help

My dog's behavior has changed recently. He is a lab, and accordingly eats his food in two seconds and will jump on our counters to eat more. But recently he hasn't been finishing his food, which is very uncharacteristic of him. He sleeps way more than he used to. And his shedding is way...

My husband and I are about to become doggy parents to a black lab puppy this weekend. We already have a 5 year old blue heeler and have owned heelers/cattle dogs most of our lives. Neither of us have ever owned a lab before so we are a little nervous! Does anyone have any tips or suggestions...