200 grams, easy to maintain. 1 catty = 500 grams, 1 catty = 10 taels, from this we can calculate: 4 taels = 0.4 catties = 0.4x500 = 200 grams, so 4 taels of imperial concubine chicken is 200 grams. Royal chickens are relatively convenient and simple to feed, with a survival rate of 99, so they are easy to raise. The imperial concubine chicken, also called imperial concubine chicken, is a low-cost, high-efficiency special poultry species. Imperial imperial concubine chicken is a world-famous delicacy for guests.