How chickens tripled in size since the 1950s

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How chickens tripled in size since the 1950s The story of how genetics shaped chicken into the go-to protein of choice around the world.

Age-related changes in the size of University of Alberta Meat Control strains unselected since 1957 and 1978, and Ross 308 broilers (2005). Within each strain, images are of the same bird at 0, 28, and 56 days of age.