Dogs do a great service to mankind.
Guide Dogs for the blind.
Dogs can detect by smell, Cancer cells in people.
"
The dogs (all five of them) were able to detect cancer with 98% accuracy."
http://www.dogsdetectcancer.org/dogs-detect-cancer-blog/dogs-smell-cancer
Explosive Detector
Dogs, or bomb
dogs, are
trained by Worldwide
Canine Inc. ... Our bomb
dogs are
trained to smell the
explosive and indicate to the handler by .
http://www.worldwidecanine.com/expldetdogs_wwc.htm
Now you can understand why Muslims don't want dogs near them.
Dogs for the hearing impaired, door bells, kettle, fire alarms and etc.
Dogs can smell chemical change in a person before they have an epileptic fit, and warn them.
The list is endless.
A dog is man's best friend, so they stay and the others leave.
cheers,
syp.