Generally a dog's eyes, coat, and demeanor--tail wagging, cuiosity level, etc--will provide decent clues. A dog that is otherwise not healthy will not wink at you, however.
No!!! A dog that has had diarrhea for that long is low on electrolytes, fluids, energy and needs to see a vet ASAP!
If your pet is a dog, then it is not healthy for your dog, it's actually poisonous for your dog.
Any dog food will put weight on your dog if you feed ENOUGH of it and yoru dog is otherwise healthy. If your dog is too skinny or not gaining weight with plenty of intake of food, you had better see a veterinarian.
This depends on various criterias, like how strong is the stamina of your dog, on what terrain will your dog run, how healthy is your dog, how old is your dog, etc.
Yes. The Canaan Dog is a healthy breed of dog and it does not suffer from any genetic health problems.
It' is a happy and healthy dog
any food that's good and healthy for you is good and healthy for your dog as well
Most dog food is healthy for dogs, but human food can sometimes be deadly if you give it to your pooch.
it is risky to buy a dog/puppy online because you have no idea what the puppy's condition is. when adopting/purchasing a dog/puppy always meet with the person you receive it from and see where the animal has been living and check that the dog is healthy.
usually
yes
no I don't think you can! Not if you want your dog to be healthy.