作者: B. E. C. Nordin , D. H. Marshall
DOI: 10.1007/978-1-4471-1437-6_17
关键词: Dietary calcium 、 Sodium 、 Animal science 、 Calcium 、 Chemistry 、 Phosphorus 、 Calcium balance 、 Body balance 、 Dietary Requirements 、 Urinary calcium
摘要: Normal, healthy adults must be assumed to in a state of nutritional equilibrium — at least over period time. They taking nitrogen, phosphorus, sodium and other elements the same rate as they are excreting them. For some these elements, calculation body balance is very difficult, but case calcium it relatively simple. Discounting dermal losses [which may quite significant (Charles et al. 1983)], difference between dietary on one hand faecal urinary other.