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The Influence of Trace-Mineralized Salt upon the Vitamin B₁₂ and Folic Acid Content of Goat's Milk¹

Department of Biochemistry, College of Agriculture, University of Wisconsin, Madison

ABSTRACT

Goats receiving trace-mineralized salt (containing cobalt), in comparison to those receiving only iodized salt, were observed to have a higher level of vitamin B₁₂ in their colostrum and milk during the first week post-partum. Trace-mineralized salt or a 50-mg. supplement of cobalt per goat per day had no influence upon the level of this vitamin in the goat's milk after this time.

The addition of trace-minerals to the diet of the goat did not influence the free folic acid level of the goat's milk. The lower folic acid content of goat's milk observed in this study is believed to be more accurate than the previous data of Collins et al. (1).

¹ Published with the approval of the Director of the Wisconsin Agricultural Experiment Station. This work was supported in part by funds granted by the National Dairy Council, Chicago, on behalf of the American Dairy Association.

² Present address: International Minerals and Chemical Corp., Central Research Lab., 5401 Harrison St., Skokie, Ill.