J. Anim Sci.
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J. Anim Sci. 1978. 47:1351-1356.
© 1978 American Society of Animal Science
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Effect of Dietary Aluminum on Animal Performance and Tissue Mineral Levels in Growing Steers1

R. Valdivia2, C. B. Ammerman, C. J. Wilcox and P. R. Henry3

University of Florida,4, Gainesville 32611

Abstract

Twenty-four beef-type steers with an average body weight of 226 kg were allocated to four treatments and fed for 84 days to study effects of dietary aluminum on performance and mineral composition of selected tissues. Treatments included 0, 300, 600 and 1,200 ppm supplemental aluminum as aluminum chloride. Increased dietary aluminum did not affect feed consumption, body weights, or feed conversion ratios nor plasma concentrations of phosphorus, calcium, magnesium and aluminum. Hemoglobin and hematocrit were not affected by increasing dietary aluminum; likewise concentrations of aluminum, iron, manganese, phosphorus and calcium concentrations in liver, kidney, longissimus muscle and brain were not influenced by treatment. Zinc concentrations were increased in liver (P<.05) and kidney (P<.01), by added levels of dietary aluminum. Dietary aluminum at levels up to 1,200 ppm did not influence animal performance and caused only minor changes in tissue mineral composition.

Footnotes

1 Florida Agricultural Experiment Stations, Journal Series No. 1156.

2 Present address: Laboratorio de Nutricion Animal, Centro de Investigaciones IVITA, Universidad National, Lima, Peru.

3 The authors wish to acknowledge the National Feed Ingredients Assoc, Des Moines, IA; American Cynamid Co., Princeton, NJ; International Minerals and Chemical Corp., Libertyville, IL; Ladbra Minerals Inc., Victor, IA; Moorman Manufacturing Co., Quincy, IL; and Occidental Chemical Co., Houston, TX for funds in support of this research; and Pfizer, Inc., Terre Haute, IN for supplying vitamins A and D.

4 Animal Science Department.






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Copyright © 1978 by the American Society of Animal Science.