1. 40% of shell powder, 30% of fine sand, 20% of clay, 5% of end charcoal, 5% of salt, plus multi-dimensional poultry, 5 grams per 50 kilograms. 2. Red mud 30%, river sand 25%, shell powder 15%, bone meal 10%, old plaster, old lime, charcoal powder, salt 5% each. 3. Red mud 35%, shell powder 40%, charcoal powder 10%, old plaster, bone meal, salt 5%. 4. 60% of sand and sand, 31% of shell powder, 1% of old plaster, 1.5% of charcoal powder, 1.4% of bone meal, 3.3% of salt, 0.5% of alum, Longdancao, and licorice root, and 0.3% of iron dioxide. 5. 20% of shell powder, 40% of red clay, 30% of bricks, 6% of old plaster, and 4% of salt. Health sand should be used nowadays to ensure freshness and prevent oxidation decomposition after compounding. If they are all in powder form, they can be mixed with water, dried and then clumped, and then broken into small particles. If the ingredients are basically in the form of medium or fine particles, they can be directly fed after mixing. Quantitative daily time, generally feeding after the morning feed, each pair of pigeons 15 to 20 grams.