Toe punching here...two punches each opening so that there is a V shape instead of a hole that seals up....or scissor snips if you are careful.
Then all saved chicks get the same colored band when culling occurs to mark the year of birth. Then each chick will be given an additional colored band for the sire of the pen.
Then all saved chicks get the same colored band when culling occurs to mark the year of birth. Then each chick will be given an additional colored band for the sire of the pen.