2. Earthworms can be used to feed ducks; According to the experimental results, the effect of earthworm feeding is very good.
3. According to Japanese animal husbandry experts, the moisture content of fresh earthworms accounts for 85.8 1%, crude protein accounts for 8.5% and crude fat accounts for 2.2%. Dried earthworm contains 8% water, 66.5% crude protein, 65,438+02.8% crude fat and 8.2% carbohydrate, so it is a good animal feed in protein.