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First, feed adjustment should be refined and thickened. That is, reducing the feed amount of corn, sorghum, fish meal, bean cake, etc., and increasing the amount of roughage feed such as cereal husks, and properly feeding green and juicy feed such as cabbage, celery, and carrots. The ratio of the three materials is 15% of fine material, 75% of coarse material, and 10% of green material.
Second, feed nutrition 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 the net raising and cage breeding layer should also 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.
In order to decontaminate and dehumidify in time, in addition to the convenience of the defecation ventilation hole in the wall, but also in the right place to leave a switchable ventilation hole, ventilation ventilation at noon or noon every day.
Winter laying hens should keep feathers
The main focus of breeders in laying hens in winter is conservation of feathers. As winter laying hens' production performance declines, the body's demand for nutrients decreases accordingly, and it is sufficient to provide only a small amount of nutrients. Therefore, the original feed must be adjusted to focus on promoting feather growth. The specific approach is as follows: