High egg breakage rate in hot seasons? Adjusting feed nutrition can reduce it

First, formulate the feed formula strictly according to the feeding standards for laying hens, and feed a complete compound feed. Second, the calcium source added to the laying hens' ration must have a certain particle size, and attention should be paid to its solubility. Third, adding a certain proportion of sodium bicarbonate can significantly improve eggshell quality. The hydrogen phosphate ions in the blood are the main source of the calcium phosphate that forms the eggshell. When sodium bicarbonate at different levels of 0.1% to 1% was added to the feed of laying hens continuously for 8 months, the laying rate increased in all groups with added sodium bicarbonate, and eggshell strength could increase by 8%.