Glucose biokinetics in normal and ketotic cows

Kronfeld, D. S.; Tombropoulos, Elias G.; Kleiber, Max

doi:10.1152/jappl.1959.14.6.1026

Cited by 24 publications

(3 citation statements)

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“…When the values of glucose space for the young lambs were calculated with allowance for the erythrocyte volume and glucose content, values 10-15 % lower than those shown in Tables 1 and 2 were obtained. Kronfeld, Tombropoulos & Kleiber (1959) reported that the glucose space in ketotic cows was between 54 % and 80 % of body weight, and considered that this could be attributed to an expansion of the glucose space into the intracellular 'compartment'.…”

Section: Discussionmentioning

confidence: 99%

Changes in glucose utilization during development of the lamb

Jarrett¹,

Jones²,

Bj³

1964

Biochemical Journal

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Section: Discussionmentioning

confidence: 99%

Changes in glucose utilization during development of the lamb

Jarrett¹,

Jones²,

Bj³

1964

Biochemical Journal

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“…Isotope-dilution techniques, which provide the only satisfactory methods for the measurement of turnover rates in the intact animal, have been used to determine glucose-utilization rates in rats (Feller, Strisower & Chaikoff, 1950;Baker, Shipley, Clark & Incefy, 1959), man (Baker, Shreeve, Shipley, Incefy & Miller: 1954) and dogs (Searle, Strisower & Chaikoff, 1954;Steele, Wall, de Bodo & Altszuler, 1956). Studies of ruminants, however, have been limited to those of Baxter, Kleiber & Black (1955) and Kronfeld, Tombropoulos & Kleiber (1959), who used single-injection procedures to measure glucose-turnover rates in cows. In the present investigation glucose-utilization rates in fed and starved sheep have been determined by isotope dilution with the constantinfusion method of Steele et al (1956).…”

mentioning

confidence: 99%

Glucose utilization in sheep

Annison¹,

White²

1961

Biochemical Journal

141

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“…(1964). and Kronfeld et al (1959). The rate of net formation, or irreversible loss, of glucose was estimated from the integration of an exponential equation as described by White et al (1969).…”

Section: Methods Of Calculationmentioning

confidence: 99%

Effect of digestible energy intake on glucose synthesis in reindeer and caribou

McEwan¹,

Whitehead²,

White³

et al. 1976

Can. J. Zool.

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and J. 0. ANVIK. 1976. Effect of digestible energy intake on glucose synthesis in reindeer and caribou. Can. J. Zool. 54: 737-751. Glucose parameters were estimated by multicompartmental analysis after the single injection of [U-'4C]glucose in pen-fed reindeer and caribou. During the rut, the plasma concentration, pool size, space, total entry rate, irreversible loss, and glucose turnover time of male reindeer and caribou declined; all parameters increased significantly after the rut ended and feeding had begun again. In female reindeer and caribou the lowest estimates of glucose pool, space, total entry rate, and irreversible loss were noted during midpregnancy (February-April). During early lactation (May-June) significant increases were noted in total entry rate, irreversible loss, and the plasma concentration of glucose.For non-lactating reindeer and caribou, inflections in relationships between glucose total entry rate and irreversible loss with digestible energy intake were noted at a daily digestible intake of about 195 k~a l l W~.~* (where W0.75= metabol~c body weight); three times more glucose was synthesized per unit digestible energy intake above the polnt of inflection than was synthesized below it. Per unit of protein intake, total entry rate and irreversible loss of glucose for males exceeded that of the females by 4 to 5 mg/W0-75 per minute. In female reindeer and caribou a close correlation was noted between the glucose irreversible loss and total entry rate. Glucose resynthesis was constant at 1.5 mglW0,7S per minute. MCEWAN, E. H., P. WHITEHEAD, R. G. WHITE et J. 0. ANVIK. 1976. Effect of digestible energy intake on glucose synthesis in reindeer and caribou. Can. J. Zool. 54: 737-751.On a estimC Ies param&trcs du glucose par analyse des compartiments apris une injection unique de g l u c~s e~-~~C ] chez des rennes et des caribous gardis en captiviti. Duran! le rut, la concentrationde glucose d a m le plasma. la taille du pool. I'espace glucosique. le taux des entrees totales. la perte it-rkversible et le lauxde remplacement du glucose dlminuent chez les caribous et les rennes miles; tmrq les pmmktres subissent une augmentation significative aprks le rut. au moment ou les animanx recornmencent h ~e nOUTTIT. Chez les femelles, c'est au milieu de la grossesse (fevrier a avril) qu'on enregistre les estimis les plus faibIes du pool, de I'espace gtucosique, du taux den entree5 totales et de la perte irriversible. Au debut de la lactation (mai-.iuin), on enrekstre des augmentations significatives du taux des entrees totales. de la perte irreversible et de la concentration de glucose danr le plasma. Chez l e~ caribous et les renncs qui n'allaitent pas. la relation entre le taux desentrees totdes et la perk irriversible du glucose, d'une part, et I'ingestion d'knergie digestible, d'autre part. subit une inflexion lorsque le total de I'inergle digestible est d'environ 195 kcal/WO 75 (OU W0.75 = le poids mitaboIique du corps); au-dessus du point d'inflexion. il y a trois fois plus d e glucose synthetise pa...

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Glucose biokinetics in normal and ketotic cows

Cited by 24 publications

References 0 publications

Changes in glucose utilization during development of the lamb

Changes in glucose utilization during development of the lamb

Glucose utilization in sheep

Effect of digestible energy intake on glucose synthesis in reindeer and caribou

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