Read the Java as a whole farm bird

Begin with the outline: a long back, rectangular body, gently descending topline and rounded breast. The Java's adult references are 9.5 pounds for males and 7.5 for females. The Conservancy separately reports a 6.5–8-pound market-weight range. These are different reference measures; they supply neither a growth curve nor the weight of an individual bird.

Black plumage can show a green sheen; Mottled birds combine black and white. The Conservancy distinguishes the American Poultry Association's recognized Black and Mottled varieties from White and Auburn conservation populations. Color alone cannot establish ancestry. Observe body form and documented flock history together.

Brown eggs, foraging and maternal behavior belong beside the table-bird history. Slow development asks the keeper to plan beyond a commercial broiler schedule. A useful observation journal records actual age, mass, laying and brooding under the flock's own conditions. Those observations teach what a particular family does without promising identical performance from every Java.