Publish Time: 2022-10-20 Origin: Site
Check. The first selection of high-yield varieties, find out the breed purity and breeding performance of the breeding chicken, and the breed according to the supporting lines of breeding and follow the breeding farm acceptance regulations. Check the breeding management level and hatching level of the breeding chicken farm, understand the immunization program and antibody level of the breeding chicken flock, and whether the breeding chicken farm has occurred infectious diseases.
To look at. It mainly depends on whether the chick comes out of the shell time is normal, whether the size is uniform and consistent, whether the mental state is good, whether in line with the breed characteristics. High quality chick eyes have a God, protrusion to the outside, responsive, lively and active, villous length is moderate, neat, clean, uniform and shiny, clean anus, abdominal size is moderate, flat, umbilical healing good, dry, covered with villous, no blood, beak, legs, toes, wings, no incomplete, well developed. Inferior chicken spirit languid, head closed eyes, legs and feet shriveled, stand unstable, slow to surrounding environment and sound response, do not love activity, afraid of cold. The villi were dishevelled and filthy, lacking luster, sometimes very short or absent, yellow and white feces were sticky around the anus, the abdomen was swollen and prominent, indicating malabsorption of yolk, the umbilical cord was not well healed, moist, with traces of bleeding, the villi were not covered, obviously bare, thin and weak.
listen Listen mainly to the calls of chicks. The sound of high-quality healthy chicks is loud, crisp and short; Weak chick will call weak and hoarse, or scream endlessly, but pay attention to and by high temperature, water shortage, cold and other adverse environmental conditions caused by the song to distinguish.
Touch. Hold the chick in the hand, touch fat body, abdominal size, yolk absorption is good, body symmetry. Healthy chicks felt vigorous struggle, were well-proportioned, had a moderate body weight, and had a flat, soft abdomen of moderate size, indicating good yolk absorption and umbilical healing. Weak young hand to feel weak, thin, soft, bulging abdomen.