Brazil's commercial cattle herd, the largest in the world, generally does not eat manufactured feed or synthetic supplements.
Scientists contend that cattle in Britain were infected after eating feed that contained parts of other infected cows.
Most commonly, they get it from eating feed that has been contaminated by infectious prions.
The drug has to have flavour and smell that do not prevent animals from eating medicated feed.
Snails will often eat feed, then go eat dirt.
The Faillaces produced records that they said showed that neither flock had eaten tainted feed in Europe.
When cows, sheep, monkeys or other animals eat feed contaminated with prions, the infectious particles land in their guts.
If the afore-mentioned practices had not spread to Poland as well, all farm animals would eat natural feed and meat would be processed using traditional methods.
The Scouts had to catch, tame, train, and teach the ponies to eat hay rather than native feed.
It lay on a bed of hay next to some discarded truck tires and occasionally ate feed from a bucket.