Nitrogen excretion
Nitrogen excretion: three end products, many physiological roles
... of nitrogen excretion; however, it is not the whole ...their nitrogen wastes by ammonia ...their nitrogen wastes as urea (urea 98 %, ammonia 2 %; ...
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Effects of dietary protein level on growth performance, muscle composition and nitrogen excretion in juvenile ancherythroculter nigrocauda (yih & wu 1964)
... Quantification of the optimum dietary protein level for juvenile A. nigrocauda in relation to nutrition is important for commercial fish culture operations, and to estimate the muscle composition and changes ...
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Urea Nitrogen Excretion in Critically Ill Children
... Quan titatively, protein oxidation contributes a mean 16% of the caloric expenditure following injury.'° Thus, measurement of obligate nitrogen excretion (24- hour urinary nitrogen excr[r] ...
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INTERACTIONS OF ACID BASE STATUS AND NITROGEN EXCRETION AND METABOLISM IN THE UREOGENIC TELEOST OPSANUS BETA
... the nitrogen excretion data for toadfish are rather variable (see Discussion) and significant differences were not noted consistently, and also since plasma urea varied over time and from fish to fish ...
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Simulating the intake and nitrogen excretion from cows grazing forages fertilised with increasing rates of nitrogen
... Adjusting the application rate of N fertiliser to chicory, plantain and ryegrass provides a means to reduce N losses to the environment. In the context of this study, predictions of MS production and N excretion ...
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Milk yield and urinary-nitrogen excretion of dairy cows grazing forb pasture mixtures designed to reduce nitrogen leaching
... top of the sward which would be grazed earlier in the grazing bout. The establishment of Italian ryegrass did not seem to affect the proportion of white clover in either MIX or PRG pastures, but it did reduce (remove) ...
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Nitrogen Excretion in Ascidiacea
... Amount of soluble non-protein nitrogen NPN excreted per hour by three species of ascidian, expressed as a function of dry body weight and total dry weight {body + test.. Ciona intestinal[r] ...
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Nitrogen Excretion in Selachian Ontogeny
... An interesting consideration arises from the fact that if the main channel of elimination of the urea in the adult dogfish is through the bile and perhaps through the intestinal walls, t[r] ...
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Nitrogen Excretion in Ascidiacea II Storage Excretion and the Uricolytic Enzyme System
... The renal concretions of AscuMa irigra and Phallusia mammillata contain 5060 % uric acid, the remainder of the concretion is unidentified but is non-nitrogenous and is not calcium carbon[r] ...
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Influence of Hydration of the Environment on the Pattern of Nitrogen Excretion by Embryonic Snapping Turtles (Chelydra Serpentina)
... The size mass of eggs at the outset of study had a significant effect on amounts of ammonia and urea present at different stages in development Table 2, with large eggs containing more o[r] ...
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Nitrogen Excretion in Nymphs of Aeshna Cyanea (Müll ) (Odonata, Anisoptera)
... RESULTS a The excretion of ammonia Daily measurements were made to determine the ammonia nitrogen and total nitrogen output of nymphs for a period of 2 days during fasting and then for a[r] ...
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Model Predicted DMI, Nitrogen (N) Excretion and N Use Efficiency Utilizing Plasma Urea Nitrogen (PUN) Versus Values Estimated in Conjunction with Viable Dry Matter Intake Estimates in Lambs Grazing Pasture
... urea nitrogen/plasma urea nitrogen (BUN/PUN) to predict nitrogen excretion and the efficiency of N utilization in ...and excretion rates in ...
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Dogmas and controversies in the handling of nitrogenous wastes: The effect of feeding and fasting on the excretion of ammonia, urea and other nitrogenous waste products in rainbow trout
... protein-N excretion in rainbow trout is that detected from the shedding of mucus and may be performing a role secondary to the excretion of nitrogen ...protein-N excretion in sutured fish was ...
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Nitrogen sparing induced by leucine compared with that induced by its keto analogue, alpha ketoisocaproate, in fasting obese man
... urea nitrogen excretion was lower (P less than ...The nitrogen-sparing effect of alpha-ketoisocaproate could not be related to changes in circulating levels of amino acids, ...
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Energetics of a long distance migrant shorebird (Philomachus pugnax) during cold exposure and running
... and nitrogen excretion analysis to measure their rates of lipid, carbohydrate and protein oxidation at different temperatures (22, 15, 10 or 5°C) and different treadmill speeds (15, 20, 25, 30, 35 or ...
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Interactions of cortisol and nitrogen metabolism in the ureogenic gulf toadfish Opsanus beta
... of nitrogen excreted as ammonia is inversely related to liver GNS activity in control post-absorptive fish ...between nitrogen excretion rate and cortisol levels and between percentage ...
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Gill Na+/H+ and Cl /HCO3 exchange systems evolved before the vertebrates entered fresh water
... The alternative proposition, viz, that acid/base regulation and nitrogen excretion by marine ancestors of the vertebrates were the driving forces for the origin of these ionic exchange s[r] ...
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Effects of feeding and confinement on nitrogen metabolism and excretion in the gulf toadfish Opsanus beta
... The control measurements of the present study confirm that toadfish become primarily ureotelic during confinement. Interestingly, this is accomplished by lowering the total nitrogen excretion rate and ...
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Functional relationship of thyroid hormone induced lipogenesis, lipolysis, and thermogenesis in the rat
... urinary nitrogen excretion and hepatic phosphoenolpyruvate carboxykinase mRNA did not rise, gluconeogenesis from protein sources did not supply the needed substrate for the early increase in ...
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Determination of the Effect of Gum Arabic on Body Weight and Some Biochemical Parameters on Albino Wistar Rat
... Gum Arabic (GA) is dietary fibre that is derived from dried exudates of Acacia senegal [1]. It contains of high molecular weight (lipoprotein) and low molecular weight (heterogeneous gum polysaccharides). It is indicated ...
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