1. Eggshells: Free-range chickens can obtain full nutritional elements in the natural environment, while caged chickens cannot supplement full nutritional elements artificially, so the eggshell tips and Hard, fine and shiny.

2. Attachments: Since caged chickens are raised three-dimensionally in special equipment with several layers above and below, the surface of the eggs they produce is generally contaminated by water droplets and powder. Water droplets splashing on the surface make the eggs The color of the shell becomes lighter, and the feed dust makes the egg shell dirty, and there is powdery matter on the hand mold; free-range chickens lay eggs in egg nests (artificially built), and it is impossible for them to come into contact with feed dust and liquid, and some eggs are sticky with Some grass blades, feathers, soil on chicken feet and egg liquid crushed by laying hens are inevitable for free-range chickens. 3. Egg yolk: The egg yolk of free-range chickens is not necessarily red, and the yolk color of the eggs produced by the chickens is inconsistent. This is related to the chicken's personality, growth environment, and foraging. Only pigments are added to the feed of caged chickens. , the egg yolk color is uniformly red. The egg yolks produced by real free-range chickens are orange-red, and the obvious feature is that the color of the egg yolk is light on the outside and dark on the inside.

4. Taste: The entrance of wood-fired eggs is delicate and pure, with a strong yolk flavor, which is obviously different from cage-raised chickens in taste.

The breed characteristics of the chicken are stipulated in the standard as follows: First, the head characteristics of the chicken: the head and face are small, and the face is delicate, which means it gives people a small feeling; the second is Characteristics of the crown: Most of the crowns are single crowns (the so-called single crowns are zigzag-shaped single fleshy crowns), and some are bean crowns (consisting of a small single crown with three leaves, the middle leaf is taller> and grass grape crowns. (The crown is small and low from the late base to the middle of the crown, with protrusions on the surface like grass grapes), and rarely has crown feathers; the third characteristic is the roar of the chicken, which is short and thin in the late, mostly The leaves are gray and flesh-colored, and very few are black or yellow; the fourth characteristic is the embryo, which is the small cabin, and the legs are long and slender, mostly blue-gray or flesh-colored; the fifth characteristic is the ear leaves, which are red or white, with red accounting for Most; the sixth characteristic is the feathers. The feathers of the rooster are reddish brown, the tail feathers and feathers on the wings are black, and the color is bright. The hens are mostly hemp color, mainly jute and brown hemp color, and a few are reed color and variegated.

In terms of physical characteristics, the chickens are small and slender, with a well-proportioned body structure, compact feathers, small bones, and a strong constitution. The average annual egg production is about 150, and the maximum egg weight is . 54 grams.