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प्रश्न
What are the causes of death of fishes?
अति संक्षिप्त उत्तर
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उत्तर
- Predators such as water beetles, water bugs, frogs, snakes and birds.
- Diseases, including IPN and VHS.
- Water pollution, which can cause fish of different sizes to die.
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अध्याय 12: Animal Breeding for Improvement in Food Production - EXERCISES [पृष्ठ ६८०]
