Biochemical Studies on Vitamin B<sub>12</sub>. VI. Relation of Vitamin B<sub>1</sub> and Vitamin B<sub>12</sub> to Energy Metabolism in Cattle
نویسندگان
چکیده
منابع مشابه
Vitamin B12 and protein biosynthesis. VI. Relation of vitamin B12 to amino acid activation.
It has been reported (l-5) from this laboratory that vitamin Blz functions in vivo and in vitro in the incorporation of amino acids into protein. There was observed a reduction in the incorporation of amino acids into protein in vitamin Brz-deficient pigs and rats in vivo as compared to normal animals (4). Similar reduction in the incorporation of amino acids was observed upon incubation of liv...
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The present study has been conducted to evaluate the effect of intramuscular administration of vitamin A during dry period in pregnant dairy cows which have already received it in their daily ration on vitamin A status of neonatal calves.Single intramuscular injection of 2000000 IU vitamin A was carried in 10 dairy cows at 7 months of pregnancy (group 1) and in another 10 dairy cows at 8 months...
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Domestic animals, including ruminants, can synthesize vitamin C (VC) in their liver; as such, the dietary requirement for VC has not been confirmed in these animals. The adequacy of VC has been evaluated by quantifying VC levels in plasma, but the reported values in bovine plasma have been widely variable. Plasma VC concentration is decreased by heat stress, hepatic lesions, fattening, and infe...
متن کاملStudies on vitamin D metabolism in malnourished children.
1. Basal levels of serum 25-hydroxy vitamin D (25-OHD) were estimated in ten normal children and twenty-seven children with protein-energy malnutrition. 2. Five normal children and fourteen malnourished children were administered a single massive dose of 15 mg vitamin D orally and the remaining children received oral supplements of 50 micrograms vitamin D daily for 20 d. Blood samples were obta...
متن کاملVitamin D and Citrate Metabolism: Studies on Rachitic Infants *
There are many reasons for considering the possibility that the metabolism of citrate is interrelated with the physiological effects of vitamin D and with the equilibrium of calcium and phosphorus in the body. Hamilton and Dewar10 and Shohl'7 demonstrated that the addition of citrate to rachitogenic diets resulted in prevention or cure of rickets in rats. Subsequently, Shohl and Butler1' showed...
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ژورنال
عنوان ژورنال: Proceedings of the Japan Academy
سال: 1953
ISSN: 0021-4280
DOI: 10.2183/pjab1945.29.33