Article 11U.K.Stray and feral animals of domestic species
1.Stray and feral animals of domestic species shall not be used in procedures.
2.The competent authorities may only grant exemptions from paragraph 1 subject to the following conditions:
(a)there is an essential need for studies concerning the health and welfare of the animals or serious threats to the environment or to human or animal health; and
(b)there is scientific justification to the effect that the purpose of the procedure can be achieved only by the use of a stray or a feral animal.