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.
Lilies are extremely poisonous to cats. A blooming lily (Lilium spp.) may add a touch of color to your home, but that same plant can be deadly to your feline friend.vening primrose (Primula vulgaris) may cause mild vomiting. In addition, pregnant cats should not be exposed to barberry (Berberis vulgaris), goldenseal (Hydrastis canadensis), black cohosh (Cimicifuga racemosa) or blue cohosh (Caulophyllum thalictroides).