Regulatory requirements, societal expectations and the need for sustainable livestock farming are increasingly putting the reduction of emissions in the spotlight. The German Technical Instructions on Air Quality Control (TA Luft) provide an important framework. But which techniques are suitable for different animal species, how can their effectiveness and quality be ensured, and what role does certification play? Key requirements, practical challenges and decisive criteria will be discussed: What needs to be considered when planning, implementing, operating and monitoring these measures?