Getting exercise from walking a dog provides many benefits.
Do you have dogs?  We have three, but they are small.  Walking too far with them results in carrying them back to the car.
I do.   I find it amazing all the varieties from millenia of selective breeding.
It's kinda funny.  My husband says that all the mixed breeds now, like the chi-weenie, used to be mutts - now they are pricey specialty dogs.
The sad thing is that in the past we would have called them mongrels or mixed-breed.
Yes, but they are much more expensive to own now.  However, they are highly sought after and they are bred better as well.
thought to be less susceptible to genetic health problems associated with dog breeding (based on the theory of heterosis), and have enthusiasts and defenders who prefer them to intentionally bred dogs.
Although mongrels exhibit great variation, generations of uncontrolled breeding and environmental pressures may tend to shape them toward certain general average body types and characteristics known as landraces, some of which may be developed by people into new breeds such as the Alaskan husky.
At other times, the word "mongrel" has been applied to informally purpose-
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