How to scientifically replenish calcium in laying hens
The best calcium supplementation time for laying hens is from 12:00 to 20:00. When the hens freely eat calcium, they can self-regulate the amount of calcium they eat. For example, the amount of calcium consumed during eggshell formation is 92% under normal circumstances. However, during the non-formation of egg shells, the amount of calcium consumed was only 68%. Hens who are lighter and eat less should be given more calcium.
Calcium deficiency should adjust the proportion of nutrients in the feed, pay attention to add fish meal, bone meal, eggshell powder or stone powder, etc. to ensure proper calcium content. In addition, multivitamins can be properly added in the feed, if appropriate, cod liver oil can also be added in an appropriate amount, and the chickens can be appropriately exposed to sunlight or ultraviolet light to increase the vitamin D source. All factors that increase the acidity of the intestinal tract are beneficial to the dissolution of calcium salts and promote the absorption of calcium. Special attention should be paid to the prevention of excessive calcium when preventing calcium deficiency and calcium supplementation.
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