Ginger
For starters, obtain illegal drugs. (I'm kidding, don't, drugs are bad.) A dog can only be trained to scent something with that something. A dog can only be trained to scent marijuana with marijuana....
Well if drug dogs are trained to sniff out dip they can but most if the time they are just trained to sniff out drugs.
Yes, but you'd probably use a different dog because narcotics dogs usually belong to the police or similar agencies, and they don't much worry about bedbugs. But some pest control companies have already trained dogs to sniff out bedbugs.
Any breed can be trained to do so.
Dogs can be trained to do all kinds of things, but I LOVE your question! (It's the only NICE one I have heard all DAY!) Here, however, (sorry) are some tasks regarding many different jobs that spread around the World for dogs to attend and/or do: Sniff out drugs, lead the blind, hear for the death, "Speak" for the mute, sniff out bombs, sniff out criminals, sniff out enemies, work in the army, military, Air Force, sniff out bad bugs, hunt, sniff out some kinds of medicines and/or the ingredients to make them, sniff out drugs, help the police, and what is the dog for EVERY SINGLE JOB? A Friend.... :)
Marijuana is a cannabinoid. "Cannabis has psychoactive and physiological effects when consumed, usually by smoking or ingestion."wikipedia-marijuana. hallucinogen
Drug dogs are specially trained to sniff out the specific substance which they are presented. They are given a sample of the smell and then ordered to find it elsewhere. Therefor they could be trained to sniff out psilocybin.However these drugs tend to be much less common to be arrested for, so its probably very unlikely that they would be trained to smell out mushrooms.
police dogs are trained to sniff out drugs and other dangerous stuff such as like bombs.
Dogs can be trained to smell the gun powder in the device and when found are trained to sit by it to alert their handler where it is, some are even taught to sit and howl or bark
They are trained to do this by training them to sniff out the specific scent of the mines. In training, the mines are not live, but in real life, this saves hundreds of lives.
Drug dogs are trained to sniff out illegal drugs - however if you don't have a prescription for it, you could be arrested for having it.
no they cant, defiantly not if its concealed or legal