1. Chicken is delicious because it contains a delicious substance called inosinic acid.

2, the rooster crown is big and red, fierce and aggressive, and the hen crown is extremely small. Black-footed chicken includes black-footed chicken, five-footed chicken, fuding black-footed pheasant, green-footed pheasant and Qingyuan-footed pheasant. Black-legged chicken is black and originated in Jiangxi Province, China. Chickens with five legs are all black, laying green eggs, while fuding black's pheasant with legs is graceful and its legs are gray-black.