in the store
No, it is not possible. Psychedelic mushrooms are a specific type of mushrooms. If this were the case, each person who ate them would run the risk of becoming ill.
You have to be a company that possesses mushrooms. Go and set up a date to discuss things with the store manager.
You should always keep your dogs away from mushrooms that grow in your backyard. Some mushrooms can be very poisonous to dogs and people. Dogs can eat the mushrooms that you buy at the store though.
the illegal ones, but not the ones you buy at the store
It is best to partially cook smaller mushrooms before freezing them. Regular sized mushrooms can be frozen directly after cleaning them.
the best way to get rid of mushrooms is by either mowing over them or raking them out.
I have no idea. Mushrooms are not something a horse would normally eat. And if the mushrooms didn't come from a store they could be of a poisonous variety.
You can feed chickens mushrooms as long as they are not poisonous. They won't hurt the chicken, but it might not do any good either. If you don't know if the mushrooms are poisonous or not, then you would do best avoiding feeding them mushrooms.
Straw!,
Any store most likely.
Some mushrooms are edible; many are not. It is best to have an expert in identifying edible mushrooms with you. Or just buy it from the store, but even then becareful if they are collected from the wild and not cultivated.