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.
TEA TREE OIL - TOXIC TO CATS. Copyright 1995, 2008 Sarah Hartwell. Tea Tree oil (oil of Melaleuca alternifolia, Oleum Melaleucae) is often promoted as pretty much the best thing since flu jabs as far as cats are concerned.