I’ve heard chickens can lay eggs every 1-2 days. It baffles me that something so (relatively) big can come out of them so often. How do they produce so many with such limited internal space? How many are developing in them at any given time?
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I read a really interesting book a few years ago about the domestication of chickens, how they have physically changed over time because of selective breeding, the role of antibiotics in farming, and the potential dangers of over use of antibiotic and resistance to them. A bit dry and depressing at times, but really well researched and thorough.
Big Chicken: The Incredible Story of How Antibiotics Created Modern Agriculture and Changed the Way the World Eats
by Maryn McKenna
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