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Duckweed can be a nutritious and cost-effective feed for fish, but improper feeding practices can negatively impact fish production. To ensure the health of your fish and the efficiency of your pond, it's essential to follow these three important precautions: First, avoid letting duckweed completely cover the surface of the fish pond. Overfeeding duckweed can lead to an overgrowth that blocks sunlight and reduces oxygen levels in the water, which can be dangerous for fish. Instead, create a designated feeding area on one side of the pond, where you can place the duckweed. This helps control its spread and prevents it from floating freely across the entire pond. The feeding area should not exceed one-third of the total pond surface. Second, be cautious about feeding duckweed during hot or stormy weather. High temperatures and thunderstorms can lower the dissolved oxygen levels in the water. Adding large amounts of duckweed during such conditions may further deplete oxygen, leading to fish stress or even death. It’s best to limit feeding during these times or adjust the quantity accordingly. Third, avoid feeding duckweed in the evening or at night. Duckweed continues to respire during these hours, consuming oxygen from the water. If fish are already full and active at night, their oxygen demand increases, which can lead to oxygen depletion and potentially cause fish to suffocate. It’s recommended to feed duckweed in the morning so that the fish have time to eat within 2 to 3 hours, allowing oxygen levels to remain stable throughout the night. By following these guidelines, you can maximize the benefits of duckweed while maintaining a healthy and productive fish pond environment.

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