In winter, the production performance of laying hens decreases, and the body's demand for nutrients decreases. It is sufficient to provide only a small amount of nutrients. Therefore, the original feed must be adjusted and the focus should be on promoting feather growth.
Feed adjustment should be refined and thickened, that is, reduce the feed amount of corn, sorghum, fish meal, bean cake and other concentrates, increase the amount of roughage feed such as cereal husk, and properly feed green and juicy feed such as cabbage, celery, carrots, etc. The ratio of the three materials was 15% for fine material, 75% for coarse material, and 10% for green material.
In order to ensure the growth and health of layer feathers, the nutrition of the feed must be comprehensive. Diet should pay attention to supplement minerals, various vitamins, trace elements and amino acids, etc., to provide the necessary nutrition for the formation of chicken feathers and physiological metabolism, especially for caged and caged laying hens should be added. At the same time, in order to meet the needs of nutrition, each chicken needs to add 2 grams of sulfur, 3 grams of gypsum, and 1 gram of feathers every day.
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