Keene, B. K., K.F. Knowlton, M. L. McGilliard, L. A. Lawrence, S. M. Nickols-Richardson, J. H. Wilson, A. M. Rutledge, L. R. McDowell and M. E. VanAmburg. 2004. Measures of Bone Mineral Content in Mature Dairy Cows. J. Dairy Sci. 87:3816 – 3825. Abstract The objectives of this investigation were to assess the relationship between […]

The objectives of this investigation were to assess the relationship between chemical measures and imaging estimates (radiographic photometry and dual-energy x-ray absorptiometry) of bone mineral content in dairy cows and to evaluate the effects of parity, stage of lactation, and site of measurement (fused third and fourth metacarpal bone vs. caudal vertebrae 14 and 15) on bone mineral content.

Effects of dietary P on breaking load and chemical properties of bone were evaluated in growing beef heifers. Initially, 14 weaned Angus heifers received ad libitum a low P diet (.10% P dry basis) for 270 d