CATDOLL : CATDOLL: I am raising flies in a plastic greenhouse. For some reason, the flies keep flying around the plastic greenhouse and cannot get up from the feces below. The temperature in my greenhouse is 30 degrees.

You are just starting to raise fish. Have you added EM bacteria to your manure? If you add it, flies will not eat it. You can also add something fishy to your manure, such as animal livers.

It's too bright and it wants to fly away. Also, pay attention to ventilation. The feces are not fresh.

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