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Cage Vs. Free Range Eggs
Key Excerpts from Article on Website of National Geographic
Posted: March 27th, 2012
http://greenliving.nationalgeographic.com/cage-vs-range-eggs...
Egg-laying hens confined to cages do not have space to move, stretch or engage in natural behaviors, which causes them to engage in repetitive or destructive behaviors, such as feather-pulling or pecking at their neighbors. Caged hens show more fearful behavior and become prone to skeletal problems because of captivity. Because free-range hens are allowed outdoor access, more space to move around and more opportunities to engage in natural behaviors, free-range eggs are generally regarded as a more humane alternative to conventionally produced eggs. Large numbers of animals confined in small spaces, as seen in conventional egg-production facilities, pollute the air, water and soil with the vast amounts of manure they produce. Animal-based agriculture doesn't have to create a liability for the environment. In his 2006 book, The Omnivore's Dilemma, Michael Pollan described poultry farms where rotating pastured poultry among fields provided enough manure to boost the nutrient levels in the soil without becoming toxic. At the same time, the chickens helped to control pests. In addition to being healthier for the planet, free-range eggs are often healthier for you too. In 2007, Mother Earth News collected nutritional data from the eggs produced by 14 flocks of free-range pastured hens and compared that with data provided by the USDA for conventional eggs. The study revealed that the free-range eggs, on average, contained one-third less cholesterol and one-quarter less saturated fat, in addition to higher levels of vitamin A, beta-carotene, vitamin E and omega-3 fatty acids.
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