It is easier to clean sow feces in the gestation crates, and it is easier to operate when it can be flushed with water in summer; but in winter, when water cannot be flushed, you need to pay attention to the method of cleaning feces, otherwise black butts will appear. Method for clearing manure: Turn off the water when feeding each time. Clean the manure immediately after adding food. First, scrape the manure outside the positioning fence. After most of the manure is cleaned, open the valve and let out water. This will keep the house dry. effect. Because pigs generally won't lie down easily without drinking water, which makes our work easier.