Which Dog Breed? Please Look Inside >>?

I am looking for a breed of dog to specialize in breeding/training. I have a few ideas, but suggestions are always appriciated I train deaf dogs, so I am ready for any challange the dogs can throw at me. I have a lot of expierence from working at kennels and groomers, so a stubburn breed is ok. The breeds I am looking into are Greyhounds, Italian Greyhounds, Irish Wolfhounds, Boxers, Dalmations, and Aussie Shepards. if you have any expierence with these breeds, it would be amazingly great if you could list some pros and cons… i’m not quite sure of them yet =] I have been going to Animal Rescue legues and fostering those breeds. Thanks everyone!

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Which Dog Breed Will Suit Me/my Lifestyle??

ok so im at home pretty much all week * i work only on wednesday,friday and saturday) from 6am to 11am
i want a companion dog that will be very energetic,playfull and not too big
i have a one family/flat house with large backyard
i was a dog breeded so i know pretty much everythign about care,training and owning a dog
i bred giant dogs ( newfies and giant schnauzers)
i did my research yesterday and im thinking about one of those breeds :
mini aussie( australian shepherd)
sheltie
greyhound
or american eskimo dog
i no nothign about those dogs besides what i have read
i need more information before making any decision
what i need to know is:
exercise requirements
grooming ( i know that long hair dogs need lots of brushing from past experience with nefoundlands)
and im willing ot take the dog out like 3 tiems a day for 1 hour long walks
will that be enough???

Which Dog Breeds Are Dumb?

I know which dog breeds are smart. But which ones are dumb.
And I’m not talking about dogs that are notoriously hard to train, like Beagles.There’s a difference. Beagles are intelligent, but they are just hard to train.
Which dogs are actually dumb? I’ve heard greyhounds are.
I’m just curious. I love dogs. <33