Correct option is B
Correct Answer: (b) Common carp
Explanation:
→ Common carp is relatively resistant to EUS (Epizootic Ulcerative Syndrome), unlike many indigenous species.
→ Resistance is due to stronger epithelial defense and immunity.
Information Booster:
→ EUS outbreaks occur mainly in winter and affect susceptible species like Channa.
Additional Information (Other Options):
(a) Catla: Highly susceptible.
(c) Channa: One of the most affected species.
(d) Trouts: Not typically involved.