Such cases are rare unless the cow has a young calf and feels the raccoon is a threat to the safety or its offspring.
Maybe they were "Mad Cows"
I crow could not kill an adult raccoon but would take advantage of a raccoon roadkill.
KMR - Kitten Milk Replacer - available in better pet shops or veterinary clinics. Never give cow's milk as it may kill the raccoon.
It would take several pounds of rat poison to kill a cow, much more than the 4 trays the cow consumed. The size of the cow is in the cow's favor since the cow is a large animal and the dose the cow ingested would be minimal based on the size of the animal.
If a deer feels threatened by a raccoon it could stomp a raccoon to death or kill it with its antlers. However, deer usually pose no threats to a raccoon and raccoons pose no threats to raccoons.
cow and hawk
Yes, wolves will kill and eat a raccoon.
Larger species of fox can and will kill and eat a raccoon.
Certain mushrooms can kill a raccoon if consumed.
No. A sow is a female pig or hog (or even a bear, raccoon, etc.), not a domestic bovine.
Yes.
No. A cow is much too big and heavy for a fox to kill. However, a fox CAN kill a cow if it has rabies and bites the cow, transferring the rabies virus to that cow. There is no treatment for rabies, so if a cow has rabies, this will kill her.