A 40-pound tom turkey flaps his wing as Chris Conley carries him to a pen at Raymond's Turkey Farm in Methuen, Mass., on Friday. The farm raises approximately 20,000 broad-breasted white turkeys per year. Elise Amendola/AP hide caption itoggle caption Elise Amendola/AP The Salt Can Breeders Cure What Ails Our Breast-Heavy Turkeys? November 27, 2014 The standard commercial American turkey is the product of decades of intense selective breeding. But breeding for efficiency and size has created new health problems scientists must grapple with.