Anesthesia

Question 1

why do we use anesthesia?

Answer 1

transport, handling, tagging

Question 2

how are drugs administered?

Answer 2

immersion, intramuscular, intra-coelomic, intravenous

Question 3

common anaesthetics

Answer 3

MS-222, clove oil (aqui-s), Aquacalm, benzocaine hydrochloride

Question 4

advantages of anesthesia

Answer 4

1. safety of fish and handler
2. minimize movement and physiological changes in response to harmful stimuli
3. reduce excitement and hyperactivity
4. reduce stress on fish and handler

Question 5

disadvantages of anaesthesia

Answer 5

1. all physical restraint is stressful
2. hypoventilation (reduced breathing)
3. physical injury
4. immunosuppression

Question 6

ideal anesthetic agent

Answer 6

• produce rapid anesthesia
• quick recovery
• non toxic to fish / user
• large safety factor
• rapidly excreted or metabolized with no residue
• zero or short withdrawal time