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To choose a good calcium eggshell powder is best, shell powder, bone meal followed.
Because the eggshell powder particle size is even, in line with the chicken's diet; shell powder, bone meal and other sizes, affect the foraging effect, other fine powder calcium feed is not easy to use for feeding.
Select the appropriate feeding time can be in the afternoon to the night before the lights can be, in the afternoon 2 to 4 hours is the best. It has been determined that most of the calcium absorbed by the chicken in the morning is stored in bones, and calcium absorbed in the afternoon or evening is directly used for the formation of eggshells on that day. And between 2 pm and 4 pm in the afternoon, it is the peak of food intake for the day of the chicken, with the strongest appetite and the quickest eating.
The amount of calcium supplemented by scientific supplements depends on the ratio of soft-shelled eggs to thin-shelled eggs. Generally soft shell and shell eggs disappear, chickens do not want to eat calcium material is appropriate, if the eggshell is not smooth, the emergence of protruding calcium, then calcium too much, usually every 100 chickens feeding 0.5 About kilograms is appropriate.
The correct feeding method is to allow the chicken to eat the food in the tank after 2 pm if it is free to eat. When the chicken has a certain appetite at half an hour, the calcium material to be added is evenly sprinkled in the tank. In the case of regular feeding, you can feed calcium before feeding in the afternoon and then feed the full price feed. No matter which method you take, you must ensure that all chickens can eat calcium at the same time, so as to achieve sufficient calcium.
How to replenish calcium in cage chickens
During the rearing process, a certain number of soft-shelled eggs and thin-shelled eggs often appear in caged laying hens, which is especially serious before the egg production enters the peak period, which reduces the production efficiency. This is mainly because the calcium intake of chickens does not meet the normal needs of the laying period. Practice has proved that the scientific application of a separate calcium supplementation method for caged chickens is both simple and effective and can achieve the obvious effect of preventing soft shelled eggs and thin shelled eggs.