From egg to chick
저자: Lorraine O' Neill
1. Hen lays eggs
1.1. nesting
1.2. broody
2. sitting hen
2.1. 21 days
3. hatching starts
3.1. 21 days
3.1.1. 24-48 hrs all chickens hatched
3.1.1.1. New node
4. hen keeps chicks under her
5. move to nesting box
6. chicks grow
6.1. mother feeds them
6.1.1. mother teaches them