1. To screen all food animals destined to slaughter.

2. To ensure that food animals are properly rested and that proper clinical information, which will assist in the disease diagnosis and judgmentt is obtained.

3. To reduce contamination on the slaughtering floor by separating the dirty animals and condemning the diseased ones if required by regulation.

4. To ensure that injured animals or those with pain and suffering receive emergency slaughter and that animals are treated humanely.