Tiegujing(polypeptide calcium), imported defatted milk powder, activated calcium granule and calcium carbonate were put into ordinary feed of four groups of rats as calcium source.
These preparations, skimmed milk powder, active ionic calcium powder and basic food (low calcium meal) were fed to 6 groups of weanling rats for 30 days, and 3 days calcium metabolism tests were done.
These preparations, skimmed milk powder, active ionic calcium powder and basic food (low calcium meal) were fed to 6 groups of weanling rats for 30 days, and 3 days calcium metabolism tests were done.