The laying hens in winter are gradually discontinued and enter the rest period. However, the chicken's feathers are continuously thickened for safe wintering. This is the physiological response of chickens to the changing laws of nature. In the chicken production process, according to the laws of nature and the actual condition of the chicken, the feed is continuously adjusted scientifically so that the nutrient content of the feed is in line with the characteristics of the season, the requirements of the chicken body on the nutritive substance, and the cost of raising the feed is reduced. , increase efficiency, and ensure that chickens safely pass winter. 1. Refinement and thickening. In the winter, it is the period of time during which laying hens produce their eggs. The body's demand for nutrients is greatly reduced. Only a small portion of the nutrient supply itself is consumed. There is no need to continue supplying high-quality feed for the season of egg production. The principle of feed adjustment should be "reduction of fineness." It can reduce corn, sorghum, fish meal, bean cakes and other fine feed; increase the roughage of bran, sweet potato noodles, corn kernels, etc.; and feed some vegetables to help leaves (such as cabbage leaves, celery leaves, etc.) and carrots and other green tubers juicy feed. The proportion is mainly 15% for fine material, 75% for coarse material, and 10% for green material. 2. Reasonable nutrition. In order to ensure the growth and health of layer feathers, the nutritional content of the feed must be comprehensive. In the diets based on roughage, attention should be paid to the supplement of minerals, various vitamins, trace elements and various amino acids and other feed additives. Because the production of feathers and the physiological and biochemical metabolism of chickens depend on these nutrients. Especially for caged and caged laying hens, due to the restrictions of the venue, they cannot feed on these foods. If they do not pay attention to the addition, it is more likely to affect the growth of feathers and the health of chickens. When supplementing these additives, special attention should be given to the appropriate amount of sulfur, gypsum, and hypnosis. Every day, add 2 grams of sulfur, 3 grams of plaster, and 1 gram of Bao Yu Ling to meet your needs. China Agricultural Network Editor
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