First, create and provide a suitable living environment. The temperature inside the house should be maintained at 13-24°C; the daily illumination time is 14-16 hours, and the light intensity is about 2.5 watts per square meter. At the same time, the house should be kept quiet. Second, the formulation or selection of scientific feed formulations. According to the change of the egg production of grass chickens, the feed formula should be adjusted timely to meet the nutritional needs of the laying chicken at the time of laying. Under normal circumstances, the feed for the egg production period can use the following reference formulas: corn 58%, soybean cake 20%, fishmeal 4%, bran 10%, bone meal shell powder 7.5%, multivitamins and trace elements 0.3%, salt 0.2% . Third, to regular feeding sand. Every afternoon, sand grains can be added to the layer chicken feed for the birds to feed freely to enhance the chicken's digestive function. In addition, antibiotics should be used once every two weeks during the whole breeding process of grass chickens, and inside and outside the house should be disinfected every 10 days. Dental Polishing Lathe Machine,Dental Centrifugal Casting Machine,Dental Lab Milling Machine,Dental Lab Milling Center Suzhou Escomedical Equipment Co.,Ltd , https://www.escodental.com