Physiology of drinking elicited by eating.

Kraly, F. Scott

doi:10.1037/0033-295x.91.4.478

Cited by 77 publications

(34 citation statements)

References 77 publications

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“…Drinking elicited by eating (Kraly, 1984) seems to be, according to this research, a derivation of a more basic relationship-the proportional exchange of water and energy. This conclusion is based on the considerably higher correlation and lower variability of the WTO : DE1 interrelationship compared with the food (GEI) : water interrelationship.…”

Section: Resultsmentioning

confidence: 99%

“…The potential physiological mechanisms underlying food-related drinking were recently reviewed by Kraly (1984Kraly ( ,1985. Both the preabsorbative and postabsorbative vagal depended mechanisms were implicated.…”

Section: Resultsmentioning

confidence: 99%

“…When water supply is unlimited in ruminants as well as in other mammals there is a close relationship between the amount of food consumed and the amount of water consumed, or water turnover rate (WTO) (Chew, 1965;Macfarlane & Howard, 1972;Kraly, 1984). In addition, a close relationship in all genuses or species between the amount of WTO rate and oxygen used was found (Macfarlane & Howard, 1972).…”

Section: Introductionmentioning

confidence: 99%

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Interrelationships between water, food and digestible energy intake in desert and temperate goats

Silanikove

1989

Appetite

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Intra-and interspecific relationships between energy intake and digestible energy intake (DEI) and water turnover (WTO) in Black Bedouin and temperate (Swiss Saanen) goats were analyzed. Available data from other species of mammals were also evaluated. A highly significant linear relationship between WTO and DE1 holds within breeds of goats under different levels of DE1 and between breeds which vary considerably in their body weight and metabolic expenditure (WTO ml/kg per day = -5.4 + 0911 DE1 kcal/kg per day, n = 34, rz = @99, Sb = 0.057). In lactating goats the relation between WTO rate (minus water secreted in milk) and DE1 is the same as that measured in non-lactating ones. Mammals with quite a different body weight have the same WTO per unit of metabolism-about 1 mol of water per 5 mol of oxygen-although their absolute turnover is very different. Furthermore, the above relationship is similar to the relationship between WTO : DE1 found in goats here. (WTO ml/kg per day= 5.8 +0.849x kcal/kg per day, n = 8, r* = 0.99, Sb = 0.030, where x is the caloric equivalent of oxygen consumption.)

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Interrelationships between water, food and digestible energy intake in desert and temperate goats

Silanikove

1989

Appetite

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“…Increases in erythroid parameters were considered due to dehydration since drinking behav- Table 4. Effects of food reduction on organ weight (grams) in dietary-optimized rats ior in rats has been reported to be elicited by food intake (Fitzsimons and Magnen, 1969;Kraly, 1984), indicating food restriction could induce dehydration in rats. Contrary, there were also observations indicative of decreases in erythrocytes such as bone marrow depletion and hemolysis.…”

Section: Discussionmentioning

confidence: 99%

Effects of reduced food intake on toxicity study parameters in rats

Moriyama¹,

Tsujioka²,

Ohira³

et al. 2008

J. Toxicol. Sci.

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-This study comprehensively describes the effects of various levels of food reduction on a wide range of toxicological parameters in dietary-optimized rats (fed with approximately 75% of ad libitum food consumption daily; 16 g and 22 g/day for females and males, respectively) that has been established as a nutritionally appropriate and well-controlled animal model in conducting toxicity studies. Toxicological parameters, including general condition, ophthalmology, clinical pathology and anatomic pathology, were examined in dietary-optimized Crl:CD(SD) female and male rats fed 16 g and 22 g/day (control), 12 g and 17 g/day (75% group), 8 g and 11 g/day (50% group), or 4 g and 6 g/day (25% group), respectively for 2 weeks. There was mortality and morbidity including reddish urine in 25% -cular hemolysis induced by severe food reduction. Hemoconcentration, decreased leukocytes and platelets, decreases in nutritional elements (serum glucose, protein, and lipids), increased aspartate aminotransferase and alanine aminotransferase, imbalanced electrolytes, and/or decreased urinary pH were observed in all restriction groups. Histopathologically remarkable changes included erythrophagocytosis in the spleen/liver and renal tubular necrosis with hyaline cast/droplets in 25% group; in addition to bone marrow depletion, lymphoid depletion in thymus/spleen/lymph node, and/or decreased secretion in the prostate/seminal vesicle in all restriction groups. Most of these changes were considered attributable to nutrifood reduction. These results will enable toxicologists to help distinguish primary drug-induced effects from secondary changes associated with decreases in food consumption.

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“…Theoretically, food intake will produce both hyperosmolality (via intake of salts or proteins) and hypovolemia (via movement of extracellular fluids into the gut for digestion). Indeed, this can be demonstrated under experimental conditions (11,12). However, the problem may be that the experimental challenges that evoke drinking are often selected to demonstrate a strong effect rather than to show what may occur "naturally".…”

mentioning

confidence: 99%

The interaction of meal-related, rhythmic and homeostatic mechanisms and the generation of thirst and drinking

Johnson¹,

Johnson²

1997

Braz J Med Biol Res

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One of the primary goals of the study of thirst is to understand why drinking occurs under ad libitum or natural conditions. An appreciation of the experimental strategies applied by physiologists studying thirst from different perspectives can facilitate progress toward understanding the natural history of drinking behavior. Drinking research carried out using three separate perspectives -homeostatic, circadian rhythms, and food-associated -generates types of information about the mechanisms underlying drinking behavior. By combining research strategies and methods derived from each of these approaches, it has been possible to gain new information that increases our appreciation of the interactions between homeostatic mechanisms and circadian rhythms in the modulation of water intake and how these might be related to drinking associated with food intake under near natural conditions.Correspondence

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Physiology of drinking elicited by eating.

Cited by 77 publications

References 77 publications

Interrelationships between water, food and digestible energy intake in desert and temperate goats

Interrelationships between water, food and digestible energy intake in desert and temperate goats

Effects of reduced food intake on toxicity study parameters in rats

The interaction of meal-related, rhythmic and homeostatic mechanisms and the generation of thirst and drinking

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