Role of carbohydrate metabolism in grass tetany
Clinical hypomagnesemia is confined primarily to beef cattle in the United States but also occurs in dairy cattle in other countries, probably due to different management practices. During periods when grass tetany is likely, early vegetative temperate zone grasses are usually low in total readily available carbohydrates and magnesium but high in potassium and nitrogen. The tetany syndrome may include hypoglycemia and ketosis, suggesting an imbalance in intermediary energy metabolism. Many enzyme systems critical to cellular metabolism, including those which hydrolyze and transfer phosphate groups, are activated by Mg. Thus, by inference, Mg is required for normal glucose utilization, fat, protein, nucleic acid and coenzyme synthesis, muscle contraction, methyl group transfer, and sulfate, acetate, and formate activation. Numerous clinical and experimental studies suggest an intimate relationship between metabolism of Mg and that of carbohydrate, glucagon, and insulin. The objective is to review this literature and suggest ways in which these relationships might contribute to a chain of events leading to grass tetany.
- OSTI ID:
- 6438112
- Resource Relation:
- Conference: Proceedings of regional workshop on grass tetany, Vol. III, Oklahoma City, OK, USA, 20 Nov 1977
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
62 RADIOLOGY AND NUCLEAR MEDICINE
CATTLE
METABOLIC DISEASES
MAGNESIUM
BIOLOGICAL EFFECTS
BIOCHEMICAL REACTION KINETICS
BIOSYNTHESIS
CARBOHYDRATES
DISEASES
ENZYMES
FORAGE
GLUCAGON
GLUCOSE
GRAMINEAE
GRASS
INSULIN
MANAGEMENT
METABOLISM
NITROGEN
POTASSIUM
RUMINANTS
ALDEHYDES
ALKALI METALS
ALKALINE EARTH METALS
ANIMAL FEEDS
ANIMALS
CRYOGENIC FLUIDS
DOMESTIC ANIMALS
ELEMENTS
FLUIDS
FOOD
HEXOSES
HORMONES
KINETICS
MAMMALS
METALS
MONOSACCHARIDES
NONMETALS
ORGANIC COMPOUNDS
PEPTIDE HORMONES
PEPTIDES
PLANTS
POLYPEPTIDES
PROTEINS
REACTION KINETICS
SACCHARIDES
SYNTHESIS
VERTEBRATES
550500* - Metabolism
550600 - Medicine
550900 - Pathology