Cannabalism
Yes, a significant number of dairy cows are slaughtered for human consumption after their milking days are over.
Usually the remaining meat on the carcass or any extra pieces taken when cutting steaks, roasts etc.
That really depends on the breed, and whether you're referring to an actual cow or the colloquial version of a "cow," and whether that 1000 lb weight is actually live-weight or carcass weight.
The term butchering can mean cutting and preparing meat. Butchering can also mean doing something very poorly or incorrectly as in butchering the English language.
It's not good for human consumption.
In reality human meat is fit for human consumption. Pretty much any animal (unless poisonous) Is fit for human consumption, so yes, bull shark is fit too.
what are the factors that determine when a substance is toxic and unfit for human consumption
The word carcass refers to a dead body of an animal or human. Vultures love carcases.
Human Consumption = Waste
What humans can eat
no
No.