Shandong Laiwu Blackchicken farm farmed about 150 acres;
山东莱芜黑鸡林场养殖约150亩；
2
Eat more contain iron, protein food, such as fungus, jujube, blackchicken;
多吃含铁、蛋白质的食物，如木耳、大枣、乌鸡等；
3
At present, the studying on the "black" character of blackchicken is mainly involved in generation, distribution and structure of melanin in blackchicken.