Effects of dietary NaF on dairy cows. II. Effects on milk production
Journal Article
·
· J. Dairy Sci.; (United States)
The levels of fluorine fed as sodium fluoride that would reduce milk production were determined. Under adequate nutritional and husbandry conditions levels of 50 p.p.m. of fluorine caused no deleterious effect on the ability to produce milk in normal amounts. Average intakes of 1.5 and peak intakes of 1.7 mg. or more of F/kg. body weight reduced milk and fat production in certain cows as the result of anorexia which was accompanied by excessive loss of weight and stiffness in the legs. The cows tolerated 30 p.p.m. of fluorine toxicosis. It required two to five years after the fluorine effects were observed on the incisor teeth before the development of other physiologic effects appeared. 15 references, 3 tables.
- Research Organization:
- Univ. of Wisconsin, Madison
- OSTI ID:
- 5606485
- Journal Information:
- J. Dairy Sci.; (United States), Journal Name: J. Dairy Sci.; (United States) Vol. 40; ISSN JDSCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
560305* -- Chemicals Metabolism & Toxicology-- Vertebrates-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALKALI METAL COMPOUNDS
ANIMALS
BIOLOGICAL EFFECTS
BIOLOGICAL MATERIALS
BODY FLUIDS
CATTLE
COWS
DOMESTIC ANIMALS
DOSE-RESPONSE RELATIONSHIPS
FLUORIDES
FLUORINE COMPOUNDS
FOOD
HALIDES
HALOGEN COMPOUNDS
INGESTION
INHIBITION
INTAKE
LACTATION
MAMMALS
MATERIALS
MILK
PRODUCTION
RUMINANTS
SODIUM COMPOUNDS
SODIUM FLUORIDES
SYMPTOMS
TOXICITY
VERTEBRATES
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALKALI METAL COMPOUNDS
ANIMALS
BIOLOGICAL EFFECTS
BIOLOGICAL MATERIALS
BODY FLUIDS
CATTLE
COWS
DOMESTIC ANIMALS
DOSE-RESPONSE RELATIONSHIPS
FLUORIDES
FLUORINE COMPOUNDS
FOOD
HALIDES
HALOGEN COMPOUNDS
INGESTION
INHIBITION
INTAKE
LACTATION
MAMMALS
MATERIALS
MILK
PRODUCTION
RUMINANTS
SODIUM COMPOUNDS
SODIUM FLUORIDES
SYMPTOMS
TOXICITY
VERTEBRATES