There are many methods for distinguishing male and female chicks. The most commonly used method is the anal discriminating method, which distinguishes males and females based on the appearance and histological differences of the reproductive bulge of newborn chicks. The accuracy of this method can reach 98-100%.
There are significant differences in the appearance of male and female chicks' reproductive uplift: (1) Appearance. The mother's reproductive bulge has an inconspicuous outline, atrophy, weakness in the surrounding tissues, and a sense of isolation; the bulging profile of the male chick is evident and substantial, and the foundation is extremely stable. (2) Gloss. The bulge of the mother's chicks is soft and transparent; the bulge of the female's chicks is intense and shiny. (3) Elasticity. The mother-infant's progeny uplift is poor in elasticity, and it is easily deformed by compression or stretching; (4) The degree of congestion. Embryonic bulge of the mother and chicks is underdeveloped, and does not reach the surface, the stimulation is not easy to congestion; the bulge vasculature of the male chicks is prosperous, and the superficial blood vessels also have small blood vessels that stimulate stimulating and profuse blood. (5) The shape of the protruding front end. The progeny of the mother's chick has a pointed tip;
According to the difference in morphology of the hen's reproductive uplift, the male and female can be judged. If the eye is difficult to distinguish, you can use your finger to touch the bulge and observe the degree of congestion and elasticity. The most appropriate identification time is 2-12 hours after hatching and should not exceed 24 hours.
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