It really depends. Average would be about 45 minutes to an hour.
Psychoactive is a drug or other substance that affects a nervous system’s function. Psychoactive drugs alter your perception, mood, consciousness, cognition, and/or behavior. Cocaine and LSD are a good example of psychoactive drugs.
Shelters should be accessible to all animals, have sufficient ventilation, and be of the Guide to discuss the housing requirements of all species used in research. If they are housed individually or exceed the weights in the table, animals. Loafing areas, exercise lots, and pastures are suitable for large farm animals.
Hope this help have a great day :)