Class 12 Science Biology Important Questions
12th Science Biology Extra Questions
Class 12th Science Session 2022-2023
12th Science Biology Questions Answers
Millions of chickens were killed in West Bengal, Orissa and Maharashtra recently. What was the reason?
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Millions of chicken were killed (culled) in West Bengal, Orissa and Maharashtra because they were found to be infected with H5N1 virus the causal organism of Bird Flu.