Yes its definetely off!
No, they are probably ruining when they get slimy and may not be safe to eat.
It is possible, particularly if the dog mince is raw. Canned dog mince is probably OK if the can itself is not bent, dinged or swollen. However, the taste may be off and your dog may refuse to eat it.
yes and no yes if it smells alright no if it dosent
fat off
That pork is spoiled. Throw it away. Don't risk the food poisoning.
From the USDA... Iridescent Color of Roast Beef: Sliced cooked beef or lunch meat can have an iridescent color. Meat contains iron, fat, and many other compounds. When light hits a slice of meat, it splits into colors like a rainbow. There are also various pigments in meat compounds which can give it an iridescent or greenish cast when exposed to heat and processing. Iridescent beef isn't spoiled necessarily. Spoiled cooked beef would probably also be slimy or sticky and have an off-odor.
500 years.
Beef stock is the juices that come off of boiled or broiled beef. Beef consommé is more of a clear soup. There is a recipe for consommé at the attached link (I had to delete it from the previous version of this answer because the authors of the web site do not want it copied).
Meat is made of muscles.
The Chris Gethard Show - 2011 The Beef Off 1-68 was released on: USA: 14 November 2012
They should be, because they have the placenta around them. The mother should lick/eat it off, and their fur will be wet and slimy at first.
Really you slimy little inbred disgraces should get back to work before I rip your mangina off and make you eat it