It shall be prohibited to breed vertebrates or to change them through procedures of biotechnology or genetic engineering if it must be expected that in the offspring
a) behavioural abnormalities will occur entailing suffering or increased aggressiveness caused by hereditary factors or
b) each species-specific contact with conspecifics causing pain or avoidable suffering or pain to them or a conspecific or
c) their keeping is only possible under conditions causing them pain or avoidable suffering or harm.