In 2009, an estimated 62.1 million metric tons of eggs were produced worldwide from a total laying flock of approximately 6.4 billion hens. There are issues of regional variation in demand and expectation, as well as current debates concerning methods of mass production.
Olives are not toxic to cats, but have little nutritional value. Green olives and pimentos contain chemicals similar to those found in catnip, so some cats may be especially excited by olives.
Oils Poisonous to Cats. Cats and essential oils mix like oil (or cats) and water. When it comes to essential oils, a few common misunderstandings about the oils themselves and feline physiology make cats and aromatherapy a deadly mix. The list of oils potentially poisonous to your feline friend is much longer than those that aren't.