Mark Purdey animal feed dates back to at least 1926. In the 1970s attention was directed within MAFF to the danger that this practice would result in the spread of infectious diseases. The diseases considered were those caused by conventional viral and bacterial organisms. No consideration appears to have been given to the risk that scrapie might be recycled in sheep, or even transmitted to other farm animals. This may seem surprising. The answer probably lies in the fact that half a century had elapsed without any indication that animal feed containing ovine protein was infecting sheep or any other animal." Purdey
Set animal the head of a donkey, it is possible the donkey was the inspiration for the Set animal. Others have speculated that it is a purely fantastic or composite animal, which never existed in nature; this was the opinion of Egyptologist E. A. Wallis Budge. Because the name "sha" is not as familiar as that of Set, and has no independent mythology associated with it, the animal is commonly referred to as "Set" or "Set animal" or the "Typhonian animal", so-called because the Greeks equated Set or Sutekh with the monster Typhon. Set animal In ancient Egyptian art, the Set animal,