No. Too much of the liquid molasses can, though, since it is high in energy content like grain.
yes because cow munare is germs and it can enter the body and make an infection it really depends if the cow has a virus or any thing that would make it sick
Yes, it can kill you but it is not likely. If eaten it can make you extremely sick.
Yes, see the link on bracken poisoning.
The cow would get sick.
Yes, some cats can indeed get sick from drinking cream. Cats cannot digest lactose (found in cow's milk and diary) very well, and can become sick.
Maybe this "cow" that you are concerned about isn't a cow at all. Joking aside, if this is indeed a cow and not a different animal, illness like pneumonia or IBR can be serious enough to make a cow too sick to eat, thus not burp up and chew cud.
moo flu
She Jumped Bale
It jumped bale
if the barn isn't full and the cow isn't sick
You should call Yodel Farm and buy cow/sheep healing potion then go near your cow and use it (press B). your cow should now be healthy!
Unless there's bits of plastic on the hat that may block the cow's digestive system on the way down and out, it shouldn't hurt the cow.