Bronze color can belong to different breeding types

Standard Bronze and Broad-Breasted Bronze turkeys share a color name but represent different selection histories. The Conservancy describes naturally mating, slower-growing standard-bred strains alongside commercial birds selected for greater breast development.

During the twentieth century, increased growth and changed proportions made the broad-breasted type commercially important. Later, white-feathered commercial turkeys largely replaced it because their dressed carcasses looked cleaner. Neither change by itself maintained the standard-bred Bronze families.

The source gives standard young-bird weight references of about 25 pounds for toms and sixteen pounds for hens, with larger mature weights also reported. Metallic bronze sheen and patterned tails make the variety visually striking, but color alone cannot establish heritage breeding ability. Our interpretation is that conserving Standard Bronze requires attention to ancestry, body form and natural reproduction together. A market bird and a continuing breeding flock answer different needs, even when both are called Bronze.