The Welfare of Animals (Slaughter or Killing) Regulations 1995

Specific requirements for killing surplus chicks by use of a mechanical apparatus producing immediate death

2.  No person shall use, or cause or permit to be used, any mechanical apparatus to kill any surplus chick unless—

(a)the apparatus contains rapidly rotating mechanically operated killing blades or projections; and

(b)the capacity of the apparatus is sufficient to ensure that every chick is killed immediately.