Answer to Question #63912 in Zoology for Sanjukta Ghosh
''In induced breeding of fish, the hormone extract is injected intramuscularly near the tail region above the lateral line of the fish.''
What is the reason behind the selection of this specific site?
Intramuscular injections are usually preferred because they result in a more constant delivery of hormone and there is less chance of injuring the fish. The preferred site for an intramuscular injection is into the thick muscle of the back. This is because it is mostly used for fish movement and therefore has the most intensive blood circulation. Thus, injected hormone will be transferred thought the body quickly. Additionally, as this muscle is big, there is smaller chance to injure internal organs by the needle.
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