The color of chicken legs and mouth to identify high-yield chickens, the higher the faded egg production rate is, the higher the 250-300-day-old chickens are still yellow-legged, yellow-mouthed, and even non-laying chickens. Chickens that produce white shell eggs have yellow legs and mouths; chickens that produce pink shell eggs have brown legs and mouths. The chicken cocks discriminate high-yielding chickens with large red crowns. Soft, delicate with temperature, turned to one side, normal red. Low-producing chickens do not even produce eggs. The chicken cocks do not fall. They have white spots or white frost, and their crowns are thin. If you have Marek's disease, the chicken's crown is atrophic and the crown is cool; if you have a purple crown and a black crown, the chicken should be eliminated in time. The anus identifies the relaxation of the anal sphincter, elasticity around the crushing sphincter, a moist sensation, and immediate contraction, outflow of viscous secretions, such chickens are high-yielding chickens. Anal tightening, no compression around the abdominal muscles, no sense of moisture for low-yielding chickens. When feeding and discerning feeding, high-yield chickens are hungry, eaten arrogantly, have a strong appetite, and do not look up, picky eaters, and eat quickly. Picky eaters do not like to eat, even chickens that are not eaten on feed are low-yielding chickens, and do not even produce eggs. The feces discriminate the high-yielding chicken feces and form a small head with white, drink more water in the summer, but also basically formed, the color is normal. Low-producing chickens and non-laying hens have slender feces and dry feces. The pubic bone discriminated the high-yielding chicken pubic bones with 3 to 4 fingers, and the low-yielding chicken pubic bones only had 2 fingers or even 1 finger. The abdomen discriminates that the high-yielding chicken belly is wide, and the low-yielding chicken belly is narrow, thin, and the sternal tip resembles a blade. The tweet discerns that the high-yield chickens are loud and tidy, indicating that the laying hens are healthy. Chickens that do not produce eggs for a long time are generally not called. When abnormal animals and other small animals are found in the chicken farm, they immediately scream and cause large groups to startle and produce soft shell eggs.
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