1, eggshell powder. Egg shells are dried and made into eggshell powder as a calcium source feed, which will contain some organic matter, generally containing crude protein up to 12.4% and calcium containing 24.5% to 26.5%. When using it, care should also be taken to prevent eggshell contamination.
2, stone powder. Limestone powder, natural calcium carbonate. Generally containing about 38% of pure calcium, is the cheapest calcium mineral feed supplement, and other more pure commercial calcium carbonate, chalk and old lime also have the same effect as stone powder.
3, shell powder. When shell powder is used as a calcium source feed, attention should be paid to the use of seashells that have accumulated on the seashore for many years, because the accumulated organic matter has disappeared after a long period of accumulation, and there are fewer germs; fresh shells should be disinfected because of the corruption of proteins and the attached bacteria. , More viruses, unsterilized often cause disease in chickens. General shell powder contains about 96.4% calcium carbonate, equivalent to 38.6% calcium.
2, stone powder. Limestone powder, natural calcium carbonate. Generally containing about 38% of pure calcium, is the cheapest calcium mineral feed supplement, and other more pure commercial calcium carbonate, chalk and old lime also have the same effect as stone powder.
3, shell powder. When shell powder is used as a calcium source feed, attention should be paid to the use of seashells that have accumulated on the seashore for many years, because the accumulated organic matter has disappeared after a long period of accumulation, and there are fewer germs; fresh shells should be disinfected because of the corruption of proteins and the attached bacteria. , More viruses, unsterilized often cause disease in chickens. General shell powder contains about 96.4% calcium carbonate, equivalent to 38.6% calcium.
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