Effect of high amounts of dietary zinc and age upon tissue zinc in young chicks
Journal Article
·
· Poult. Sci.; (United States)
Weight gains of young broiler chicks were not reduced by up to 2400 ppm added zinc fed to four weeks of age. Tissue zinc was not changed significantly by 600 or 1200 ppm supplement dietary zinc, but at 2400 ppm added zinc, blood, kidney, and liver zinc were significantly elevated (P < 0.05). In the heart, zinc was not affected by the added dietary zinc but increased over time with all diets. Unlike the calf weanling pig, the metabolism of zinc in the young chick does not appear to change appreciably with increasing maturity. Thus, the homeostatic control mechanisms of the young chick are effective for up to 1200 ppm dietary zinc, but are partially overcome by 2400 ppm added dietary zinc. 17 references, 1 figure, 2 tables.
- Research Organization:
- Univ. of Georgia, Athens
- OSTI ID:
- 5443128
- Journal Information:
- Poult. Sci.; (United States), Journal Name: Poult. Sci.; (United States) Vol. 55:5; ISSN POSCA
- 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.
AGE DEPENDENCE
ANIMAL FEEDS
ANIMALS
BIOLOGICAL ACCUMULATION
BIOLOGICAL EFFECTS
BIRDS
BODY
CARDIOVASCULAR SYSTEM
CHICKENS
DATA
DIET
DIGESTIVE SYSTEM
ECOLOGICAL CONCENTRATION
ELEMENTS
EXPERIMENTAL DATA
FOOD
FOWL
GLANDS
HEART
INFORMATION
KIDNEYS
LIVER
METABOLISM
METALS
NUMERICAL DATA
ORGANS
TOLERANCE
VERTEBRATES
ZINC
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AGE DEPENDENCE
ANIMAL FEEDS
ANIMALS
BIOLOGICAL ACCUMULATION
BIOLOGICAL EFFECTS
BIRDS
BODY
CARDIOVASCULAR SYSTEM
CHICKENS
DATA
DIET
DIGESTIVE SYSTEM
ECOLOGICAL CONCENTRATION
ELEMENTS
EXPERIMENTAL DATA
FOOD
FOWL
GLANDS
HEART
INFORMATION
KIDNEYS
LIVER
METABOLISM
METALS
NUMERICAL DATA
ORGANS
TOLERANCE
VERTEBRATES
ZINC