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ARTICLE |

Bovine Somatotropin FREE

Samuel S. Epstein, MD
JAMA. 1991;265(11):1391-1391. doi:10.1001/jama.1991.03460110055018
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To the Editor.—  The Special Communication by Monsanto consultants Daughaday and Barbano1 and the accompanying editorial2 are misleading and scientifically flawed for reasons that include the following:

  1. The claim that the Food and Drug Administration (FDA) "ensures that all new products used by dairy farmers are safe"1 is controverted by extensive congressional investigations, which concluded that regulation of animal drugs is in disarray and characterized by denial and cover-ups.3 Monsanto and the FDA are now under investigation by the US Inspector General for suppression and manipulation of "animal health test data—in efforts to approve commercial use" of rbST.4

  2. The use of rbST is referred to as "supplementation,"1 ignoring the FDA admission that rbST is up to "3% different in molecular structure" from endogenous bST, containing up to nine additional amino acids. Substitution of a single amino acid can profoundly alter a protein molecule's biological activity.4

  3. The claim that cows are not

REFERENCES

Daughaday WH, Barbano DM.  Bovine somatotropin supplementation of dairy cows: is the milk safe? JAMA . 1990;;264:1003-1005.
Grossman CJ.  Genetic engineering and the use of bovine somatotropin . JAMA . 1990;;264:1028.
Epstein SS.  Potenital public health hazards of biosynthetic milk hormones . Int J Health Serv. 1990;;20:73-84.
Epstein SS.  Questions and answers on synthetic bovine growth hormone . Int J Health Serv. 1990;;20:573-582.
Pursel V, Pinkert C, Miller K.  Genetic engineering of livestock . Science . 1989;;244:1281-1288.
Kronfeld DS.  Milk hormones correlate to both dose and blood hormones . The Milkweed . 1990;;131:4-5.
Consumer Reports . Rockville, Md: Food and Drug Administration; (November) 1988;.

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Daughaday WH, Barbano DM.  Bovine somatotropin supplementation of dairy cows: is the milk safe? JAMA . 1990;;264:1003-1005.
Grossman CJ.  Genetic engineering and the use of bovine somatotropin . JAMA . 1990;;264:1028.
Epstein SS.  Potenital public health hazards of biosynthetic milk hormones . Int J Health Serv. 1990;;20:73-84.
Epstein SS.  Questions and answers on synthetic bovine growth hormone . Int J Health Serv. 1990;;20:573-582.
Pursel V, Pinkert C, Miller K.  Genetic engineering of livestock . Science . 1989;;244:1281-1288.
Kronfeld DS.  Milk hormones correlate to both dose and blood hormones . The Milkweed . 1990;;131:4-5.
Consumer Reports . Rockville, Md: Food and Drug Administration; (November) 1988;.
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