Fluorine level of urine as a diagnostic measure of fluorine toxicosis in cattle
Journal Article
·
· J. Anim. Sci.; (United States)
OSTI ID:6237982
Fluorine analysis of the urine of cattle has been suggested as a method of diagnosing fluorosis. A study was made of the fluorine level of the urine of 63 cows that had been fed known levels of fluorine in their rations over periods from six months to three years. Progress results of a series of fluorine analysis of single, one day, and metabolism trial urine voidations show an average of 4.3, 9.4, 14.2, 20, 23, 29.1, 35.2, 34 and 45 ppm fluorine in urine of cows fed the control rations, and control ration plus the addition of sodium fluorine to give the following amounts as ppm fluorine to the total dry ration above the amount in the control ration: 10, 20, 30, 40, 50, 70, 100 and 100 plus defluorophosphate. Preliminary studies indicate metabolism trial urine collections and one-day urine collections to be closely correlated. The analysis for fluorine gives a fair method for the division between cows consuming rations containing less than 20-30 ppm in dry ration and those above this level. Single urine voidations from cows consuming rations containing known levels of fluorine vary widely. Present studies show considerable variation in fluorine content of urine samples taken from the same cow at different times or from different cows eating rations containing the same ppm fluorine in dry ration.
- Research Organization:
- Univ. of Tennessee, Knoxville
- OSTI ID:
- 6237982
- Journal Information:
- J. Anim. Sci.; (United States), Journal Name: J. Anim. Sci.; (United States) Vol. 10; ISSN JANSA
- Country of Publication:
- United States
- Language:
- English
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