Changes

*Tracking by scent, carrying messages, and mountain and water rescue.

*Tracking by scent, carrying messages, and mountain and water rescue.

*Pursuing, flushing and retrieving game, and killing [[vermin]].

*Pursuing, flushing and retrieving game, and killing [[vermin]].

*Providing assistance to blind and deaf people.

*Providing assistance to people who are deaf, dumb, blind.

*Military and police duties including guarding, tracking, interrogation, and attacking. In [[World War II]], the [[Soviet Union]] attempted to train dogs to place explosive charges under German [[tank]]s.

*Military and police duties including guarding, tracking, interrogation, and attacking. In [[World War II]], the [[Soviet Union]] attempted to train dogs to place explosive charges under German [[tank]]s.

*To detect cadavers, explosives, or illegal drugs (German Shepherds are commonly trained to do so by police)

*To detect cadavers, explosives, or illegal drugs (German Shepherds are commonly trained to do so by police)

*As a beast of burden, or for drawing sledges and dogcarts.

*As a beast of burden, or for drawing sledges, sleighs, and dogcarts.

* As a performing animal. [[Circus]] dogs have been trained to dance, ride bicycles and walk the tightrope.  

* As a performing animal. [[Circus]] dogs have been trained to dance, ride bicycles, speak, and walk the tightrope.  

* For fighting, now illegal in most places, e.g. everywhere in USA.

* For fighting, now illegal in most places, e.g. everywhere in USA.

*As food. Dog is still considered a delicacy in [[China]], [[Korea]] and parts of [[Africa]] today.

*As food. Dog is still considered a delicacy in [[China]], [[Korea]] and parts of [[Africa]] today.