In the chicken production process, feeding bone meal to chickens can promote development, promote eggshell formation, and prevent the production of soft eggs, but it is appropriate, not more, the better, too much will cause negative effects.
General chicks should have calcium in the feed at 2%, broilers should be at 2.5%, and laying hens should be at 3.5%. Laying hens can increase or decrease the amount of bone meal according to the increase or decrease in egg production, but it cannot exceed 4% at most. However, if there is too much bone meal and the diet contains more than 2.5% calcium (other than laying hens), chicks and broilers will develop high calcium and low phosphorus urine, even with nephritis, gout, urinary stones, and some Loss of appetite and death can occur.
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