Transfer of dietary selenium to milk

Journal Article · Thu Mar 01 04:00:00 EST 1979 · J. Dairy Sci.; (United States)

DOI:https://doi.org/10.3168/jds.S0022-0302(79)83259-2· OSTI ID:6166431

Conrad, H R; Moxon, A L

Twenty-five lactating cows were used in groups of five to study the amounts of dietary selenium transferred to milk. Amounts of dietary selenium varied from deficient to five times the adequate concentration and ranged between 41 ppb and 828 ppb. Sodium selenite and brewers grains, a rich naturally occurring source of selenium, supplied supplemental selenium. Selenium in milk and plasma were related to the amount consumed, but the response was nonlinear since 4.8% of the added selenium was transferred to milk with a deficient diet but only .9% of the amount of added selenium was in milk of cows consuming diets adequate in selenium. Nineteen percent of the selenium furnished in brewers grains appeared in the milk when the ration was deficient in selenium. The small amounts of selenite selenium transferred from the diet to milk were too little (5.5 ..mu..g/kg) to be a potential hazard to human helth when a diet containing .1 to .2 ppM of selenium was fed to dairy cows, an amount sufficient to meet the cow's dietary needs.

• Research Organization: Ohio Agricultural Research and Development Center, Wooster
• OSTI ID: 6166431
• Journal Information: J. Dairy Sci.; (United States), Journal Name: J. Dairy Sci.; (United States) Vol. 62:3; ISSN JDSCA
• Country of Publication: United States
• Language: English

Related Subjects

510200* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ANIMALS
BIOLOGICAL ACCUMULATION
BIOLOGICAL MATERIALS
BLOOD
BLOOD PLASMA
BODY FLUIDS
CATTLE
DATA
DATA FORMS
DIET
DOMESTIC ANIMALS
ELEMENTS
EXPERIMENTAL DATA
FOOD
GRAPHS
INFORMATION
ISOLATED VALUES
LACTATION
MAMMALS
MILK
NUMERICAL DATA
NUTRITIONAL DEFICIENCY
RUMINANTS
SELENIUM
SEMIMETALS
VERTEBRATES