Calcium and phosphorus absorption and its relationship to growth in the dog
Will, D.H.; Udall, R.H.
American Journal of Veterinary Research 21: 360-363
1960
ISSN/ISBN: 0002-9645 PMID: 13844767 Document Number: 2761
A study was made to determine the effects of two dietary levels (0.8 and 0.3%) of calcium and phosphorus at a ratio of 11 upon growth of the dog. The percentage of net absorption of calcium and phosphorus at the two dietary levels was also determined. Neither the 0.8% nor the 0.3% dietary levels of calcium and phosphorus had an apparent advantage or disadvantage on the growth rate. The average net absorption of calcium and phosphorus was greater at the high level of feeding. It was postulated that there was greater retention of calcium and phosphorus at the high level of feeding and hence greater bone deposition of these two ions. Negative regression of both calcium and phosphorus net absorption on growth was more pronounced at the low level. This indicated that greater net absorption was maintained at the higher level as the animal matured, and the degree of saturation of the bones in these individuals should have been greater.
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