I just found some more information about this issue I thought some of you might be interested in.
The Spongiform Encephalopathy Research Campaign http://sparc.airtime.co.uk/bse//
'**The rendering plant floor is piled high with raw product- thousands of dead dogs and cats… **
pigs and horses; whole skunks; rats and raccoons --all waiting to be processed.
Animals are frequently shoved into the pit with flea collars still attached organophosphate-containing insecticides get into the mix as well. The insecticide Dursban arrives in the form of cattle insecticide patches. Pharmaceuticals leak from antibiotics in livestock, and euthanasia drugs given to pets are also included. Heavy metals accumulate from a variety of sources: pet ID tags, surgical pins and needles.
Even plastic winds up going into the pit. Unsold supermarket meats, chicken and fish arrive in styrofoam trays and shrink wrap. No one has time for the tedious chore of unwrapping thousands of rejected meat-packs. More plastic is added to the pits with the arrival of… the green plastic bags containing pets from veterinarians. '