The breeding of uninjected fish at the sympathy of injected fish is called:

Correct option is A

Correct Answer: (a) Sympathetic breeding
Explanation:
→ Sympathetic breeding occurs when uninjected fish start spawning due to the hormonal activity or courtship behavior of hormonally injected fish.
→ Triggering cues include pheromones, water movement, and group behavior.
Information Booster:
→ This reduces hormone cost and increases hatchery efficiency.
Additional Information (Other Options):
(b) Unsympathetic breeding: No such term.
(c) Spontaneous breeding: Natural breeding without any trigger.
(d) Induced breeding: Requires hormonal injection.