1.   But the policy of culling all animals on affected farms and surrounding properties had broken the path of the contagion elsewhere, he told reporters.

2.   Desperate officials promised to speed the pace of killing and said they might begin culling all animals within two miles of every infection site in the country.

3.   Officials now are culling all animals on infected farms and those adjacent to them.

4.   The problem does not lie with the slaughter-houses as there are sufficient abattoirs available to cull more animals.