Oz wrote:

> Jan Flora > writes
>
>
>>They render animal parts from critters that were already killed for
>>other purposes, like human consumption.
>
>
> Yup.
>
>
>>Where I grew up (near San Francisco), we had a knacker-man that
>>would come around and pick up dead pets and roadkilled animals.
>>They were rendered to make soap, candles, and probably -- but I
>>don't know this for sure -- pet food. That was in the 50's, 60's
>>and 70's.
>
>
> They certainly did in the UK up until BSE.
>
>
>>I live on a beef cattle ranch (and will plonk any flamers). When
>>we have a cow die during calving or some other untimely death,
>>we give the carcass to neighbors who have sled dog teams, for
>>dog food. (Several of our neighbors run the Iditarod Trail Sled Dog
>>Race every spring.)
>
>
> A good use.
>
>
>>When we have a horse die, we put the carcass out on the canyon rim
>>for the grizzley bears and bald eagles to eat. (In deep winter, it
>>takes the eagles about 3 days to eat a 1500 lb. horse carcass down
>>to bones and hide.)
>
>
> A good ecological use.
>
> However aren't all wild animals vegetarian according to some sources?

You mean wild animals like lions and polar bears and
orcas and pirhanas? No, I don't think so.