It should be fresh cow dung manure (the fermentation effect of fresh manure is better than that of old manure). For example, about 1 ton of fresh cow dung manure plus 0.25 kg of cow dung manure starter must first be mixed with rice bran (or corn flour, wheat bran) at a ratio of 1:5 to 10 for use. Cow dung manure piling: the prepared cow dung