1.   You can control the microorganism within a confined space and avoid the possibility of contaminating other animals.

2.   The cattle will be sequestered until French health officials finish a series of tests to determine whether the animals have been contaminated.

3.   The government admitted the Belgian food chain was woefully short of controls, allowing tainted animal fat to enrich animal fodder and contaminate all animals that ate it.

4.   The next step is to look at what could happen if the animals being released carry an infection that could contaminate the animals already in the wild.

5.   The court said there was considerable doubt about whether such animals could be contaminated when they had never eaten suspect meal containing animal derivatives.