Measures for prevention and control of laying thin-shell eggs in laying hens

The measures to prevent and control thin shell eggs of laying hens are as follows: first, adding calcium or vitamin D3 to the diet; second, adjusting the ratio of calcium and phosphorus, in the brooding and breeding period, when the ratio of calcium and phosphorus is 1.5 to 2: 1, the absorption and utilization of calcium and phosphorus is higher; the third is environmental regulation. The poultry house should be ventilated and cooled in summer and keep warm in winter to keep the chicken house at a suitable temperature. Strengthen feeding and management, keep the environment of the henhouse quiet, minimize various stress factors, and create a good environment for laying eggs.