Inorganic Versus Complexed Trace Mineral Supplements on Performance of Dairy Cows1

Professional Animal Scientist, Feb 2004 by Kincaid, R L, Socha, M T

Kincaid, R. L., B. P. Chew, and J. D. Cronrath. 1997. Zinc oxide and amino acids as sources of dietary zinc for calves: effects on uptake and immunity. J. Dairy Sci. 80:1381.

Kincaid, R. L., L. E. Lefebvre, J. D. Cronrath, M. T. Socha, and A. B. Johnson. 2003. Effect of dietary cobalt supplementation on cobalt metabolism and performance of dairy cattle. J. Dairy Sei. 86:1405.

McDowell, L. R. 1992. Minerals in Animals and Human Nutrition. Academic Press, Inc., New York.

Miller, W. J. 1975. New concepts and developments in metabolism and homeostasis of inorganic elements in dairy cattle. A review. J. Dairy Sei. 58:1549.

Miller, W. J., W. J. Pitts, C. M. Clifton, and J. D. Morton. 1965. Effects of zinc deficiency per se on feed efficiency, serum alkaline phosphatase, zinc in skin, behaviour, graying, and other measurements in the Holstein calf. J. Dairy. Sci. 48:1329.

Miltimore, J. E., C. M. Kalnin, and J. B. Clapp. 1978. Copper storage in the livers of cattle supplemented with injected copper and with copper sulfate and chelated copper. Can. J. Anim. Sci. 58:525.

Neathery, M. W., W. J. Miller, D. M. Blackmon, and R. P. Gentry. 1973. Zinc-65 metabolism, secretion into milk, and biological half-life in lactating cows. J. Dairy Sei. 56:1526.

Pires, A. V., M. L. Eastridge, J. L. Firkins, and Y. C. Lin. 1997. Effects of treatment and physical processing of cottonseed on nutrient digestibility and production performance by lactating cows. J. Dairy Sei. 80:1685.

Rabiansky, P. A., L. R. McDowell, J. Velasquev-Pereira, N. S. Wilkinson, S. S. Percival, R G. Martin, D. B. Bates, A. B. Johnson, T. R. Batra, and E. Salgado-Madriz. 1999. Evaluating copper lysine and copper sulfate sources for heifers. J. Dairy Sei. 82:2642.

Robinson, J. W. 1975. Atomic Absorption Spectroscopy. (2nd Ed.). Marcel Dekker, Inc., New York, NY.

SAS. 2001. SAS User's Guide. (Version 8.1, 1st Ed.). SAS Inst., Inc., Cary, NC.

Spears, J. W. 1989. Zinc methionine for ruminants: relative bioavailability of zinc in lambs and effects of growth and performance of growing heifers. J. Anim. Sei. 67:835.

Spears, J. W., and E. B. Kegley. 2002. Effect of zinc source (zinc oxide vs zinc proteinate) and level of performance, carcass characteristics, and immune response of growing and finishing steers. J. Anim. Sei. 80:2747.

Stake, P. E., W. J. Miller, and R. P. Gentry. 1973. Zinc metabolism and homeostasis in ruminants as affected by dietary energy intake and growth rate. Proc. Soc. Exp. Biol. Med. 142:494.

Stanton, T. L., C. V. Kimberling, and A. B. Johnson. 1998. Effect of pre- and post-shipment trace mineral type and level on subsequent feedyard performance and immune function. Prof. Anim. Sei. 14:225.

Yost, G. P., J. D. Arthington, L. R. McDowell, F. G. Martin, N. S. Wilkinson, and C. K. Swenson. 2002. Effect of copper source and level on the rate and extent of copper repletion in Holstein heifers. J. Dairy Sei. 85:3297.

R. L KINCAID*,2 and M. T. SOCHA[dagger], RAS, Dpl. ACAN

* Animal Sciences Department, Washington State University, Pullman 99164 and [dagger] Zinpro Corporation, Edina Prairie, MN 55344