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.
Essential Oils Potentially Toxic to Cats. (This list is not all-inclusive) The use of essential oils on cats is typically discouraged. In some circumstances, some can be used to treat certain ailments under a veterinarian's supervision if they are diluted; otherwise, they should be avoided. Peppermint. Lemon Oil. Lavender Oil. Melaleuca Oil. Tea Tree Oil. Cinnamon Bark Oil.