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The Effect Of Cycling Temperatures On Electrolyte Balance In Skeletal Muscle And Plasma Of Rainbow Trout Salmo Gairdneri
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Book Synopsis The Effect of Cycling Temperatures on Electrolyte Balance in Skeletal Muscle and Plasma of Rainbow Trout, Salmo Gairdneri by : Daniel Peter Toews
Download or read book The Effect of Cycling Temperatures on Electrolyte Balance in Skeletal Muscle and Plasma of Rainbow Trout, Salmo Gairdneri written by Daniel Peter Toews and published by . This book was released on 1966 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract. The physiological effect of cycling temperatures on electrolyte balance in skeletal muscle and plasma of 1% - year-old rainbow trout ( Salmo gairdneri ) was studiedc The "cycling fish" were maintained in a large tank in which the water temperature cycled from S^C to 18°C daily, closely simulating daily temperature conditions in several Alberta mountain streams. After 42 days of exposure to the cycle, the fish were sampled at various temperatures. Muscle and plasma samples were analyzed for sodium, potassium, chloride, and water content. Six other groups of control trout were acclimated for 42 days at six different constant temperatures which coin cided with the same temperatures of the cycling fish. Muscle water content in the cycling fish was signifi cantly lower at 8°C of the cycle, but did not change signi ficantly throughout the rest of the cycle. The control fish showed a significant drop in muscle water content at 16°C and 18°C which corresponded to a rapid growth rate at these temperatures. Muscle chloride content in the cycling and control fish showed nearly constant levels even though large fluctuations in plasma chloride levels occurred. A reciprocal relationship was found between the muscle sodium and potassium levels in the cycling fish. Levels of plasma sodium, chloride, and potassium in the cycling fish were similar to the levels in the control fish held at low temperatures. Cycling fish appeared to be like cold adapted fish, in their water and electrolyte metabolism, which had acclimated to the lower end of the daily temperature cycleo It was also found that plasma chloride binding occurred in fish acclimated to temperatures of 4°C but not at 12°C. Because it appears that chloride does not distribute itself according to a Donnan distribution, the chloride space and chloride-potassium space cannot serve as valid estimates of extracellular fluid volumec The sodium space in almost all cases was smaller than the chloride space or the chloride- potassium space and was therefore used as an estimate of extracellular fluid volumeo In the controls and cycling fish the sodium space decreased significantly with either an increase in holding temperature or an increase in temperature of the cycle.
Download or read book Sport Fishery Abstracts written by and published by . This book was released on 1970 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Temperature on Ectothermic Organisms by : Wolfgang Wieser
Download or read book Effects of Temperature on Ectothermic Organisms written by Wolfgang Wieser and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of thermoregulation in endotherms has contributed much to the emergence of the concept of control theory in biology. By the same token, the study of tempera ture adjustment in ectotherms is likely to have a far-reaching influence on ideas on the regulation of metabolism in general. The reason for this is that ectotherms, in adapting to the vagaries of a thermally unstable environment, deploy a range of subtle molecular and organismic strategies. Thus the experimenter, using temperature changes as a tool, is well equipped to analyze some of these strategies. This approach has enabled some important mechanisms of temperature-induced adaptation to be elucidated; the most striking of these are the effects on metabolism of changes in the conformation of enzymes and the transfer properties of membranes. Furthermore, there is a vague but persistent feeling among those working in this field that changes in the nervous system will ultimately prove to be the agency by which many of the molecular mechanisms of temperature adaptation are controlled. Should this indeed be the case, a new phase would soon begin in our understanding of the interactions between the systemic and the cellular levels of organization. However, it is not only questions about the causes of temperature adaptation that can provide answers of potential importance to the general biologist; of equal significance are questions as to the meaning of temperature adaptation in a particular organism.
Book Synopsis Water and Electrolyte Content and Distribution in Tissues of Thermally-acclimated Rainbow Trout, Salmo Gairdneri by : Karen M. Mearow
Download or read book Water and Electrolyte Content and Distribution in Tissues of Thermally-acclimated Rainbow Trout, Salmo Gairdneri written by Karen M. Mearow and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The primary objective of this investigation was that of providing a comprehensive tissue-by-tissue assessment of water-electrolyte status in thermally-acclimated rainbow trout, Salmo gairdneri. To this end levels of water and the major ions, sodium, chloride and potassium were evaluated in the plasma, at three skeletal muscle sites, and in cardiac muscle, liver, spleen, gut and brain of animals acclimated to 2°, 10° and 18°C. The occurrence of possible seasonal variations in water-electrolyte balance was evaluated by sampling sununer and late fall-early winter populations of trout. On the basis of values for water and electrolyte content, estimates of extracellular and cellular phase volumes, cellular electrolyte concentrations and Nernst equilibrium potentials were made. Since accurate assessment of the extracellular phase volume is critical in the estimation of cellular electrolyte concentrations and parameters based on assumed cellular ion levels, [14 C]-polyethylene glycol-4000, which is assumed to be confined to the extracellular space, was employed to provide comparisons with various ion-defined spaces (H20~~s, H20~~/K and H20~~s). Subsequently, the ion-defined space yielding the most realistic estimate of extracellular phase volume for each tissue was used in cellular electrolyte calculations. Water and electrolyte content and distribution varied with temperature. Tissues, such as liver, spleen and brain appeared to be the most thermosensitive, whereas skeletal and cardiac muscle and gut tissue were less influenced. 'Summer' series trout appeared to be more capable of maintaining their water- electrolyte balance than the ~fall-winter' series animals. i The data are discussed in terms of their possible effect on maintenance of appropriate cellular metabolic and electrophysiological functions.
Book Synopsis Comparative Mechanisms of Cold Adaptation by : Larry Underwood
Download or read book Comparative Mechanisms of Cold Adaptation written by Larry Underwood and published by Elsevier. This book was released on 2012-12-02 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comparative Mechanisms of Cold Adaptation covers the proceedings of a symposium held at the Naval Arctic Research Laboratory in Barrow, Alaska in 1975 and 1976. The said symposium discusses the mechanisms of cold adaptation according to experts from different fields. The book covers topics related to cold adaptation, such as energy acquisition and utilization; mechanisms of thermal tolerance; the physiology and requirements of hibernation; and the role of neural inputs in cold adaptation. Topics also include cold-induced enzymatic adjustments; cold-induced responses in ectotherms and homeotherms; hormonal mechanisms; and plant adaptation to low temperatures. The text is recommended for biologists who would like to understand better the different mechanisms involved in cold adaptation and the importance of its study.
Book Synopsis Influence of Temperature and Photoperiod Upon Ionic Regulation in Rainbow Trout Salmo Gairdneri by : Patrick George Francis Murphy
Download or read book Influence of Temperature and Photoperiod Upon Ionic Regulation in Rainbow Trout Salmo Gairdneri written by Patrick George Francis Murphy and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Interactions of photoperiod and temperature upon waterelectrolyte balance were examined in rainbow trout acclimated to six combinations of two photoperiods {18h light: 6h dark, o 6h light: l8h dark) and three temperatures (2, 10 and 18 C). The influence of temperature and photoperiod upon plasma, skeletal muscle, cardiac muscle and liver levels of sodium, potassium, magnesi.um, calcium, chloride, water content, water distribution and cellular ion concentrations was determined by a one way analysis of variance. Significant (p
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1970 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of PH on Plasma Electrolytes, Carbonic Anhydrase and ATPase Activities in Rainbow Trout (Salmo Gairdneri) by : Tom A. Watson
Download or read book The Effect of PH on Plasma Electrolytes, Carbonic Anhydrase and ATPase Activities in Rainbow Trout (Salmo Gairdneri) written by Tom A. Watson and published by . This book was released on 1982* with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Diurnal Cycling Temperatures on Cardiovascular- Ventilatory Function in Statically-acclimated Rainbow Trout, Salmo Gairdneri by : James Arthur Charles Henry
Download or read book Effect of Diurnal Cycling Temperatures on Cardiovascular- Ventilatory Function in Statically-acclimated Rainbow Trout, Salmo Gairdneri written by James Arthur Charles Henry and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water and Electrolyte Balance in the Rainbow Trout After Temperature Acclimation and Temperature Shock by : Robert S. Reaves
Download or read book Water and Electrolyte Balance in the Rainbow Trout After Temperature Acclimation and Temperature Shock written by Robert S. Reaves and published by . This book was released on 1968 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Intermittent Chlorination on Plasma Proteins of Rainbow Trout (Salmo Gairdneri) by :
Download or read book The Effects of Intermittent Chlorination on Plasma Proteins of Rainbow Trout (Salmo Gairdneri) written by and published by . This book was released on 1980 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1970 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Carbon Tetrachloride on the Total Plasma Protein Concentration of Rainbow Trout, Salmo Gairdneri by : Keith F. Pfeifer
Download or read book The Effect of Carbon Tetrachloride on the Total Plasma Protein Concentration of Rainbow Trout, Salmo Gairdneri written by Keith F. Pfeifer and published by . This book was released on 1979 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Season and Temperature on the Blood Plasma Constituents of the Rainbow Trout Salmo Gairdneri by : Thomas Charles Richards
Download or read book The Effects of Season and Temperature on the Blood Plasma Constituents of the Rainbow Trout Salmo Gairdneri written by Thomas Charles Richards and published by . This book was released on 1967 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Intermittent Chlorination on Plasma Amino Acid Concentrations of Rainbow Trout (Salmo Gairdneri) by :
Download or read book The Effects of Intermittent Chlorination on Plasma Amino Acid Concentrations of Rainbow Trout (Salmo Gairdneri) written by and published by . This book was released on 1985 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Rapidly Changing Temperature on Plasma Chloride and Glucose Levels of Rainbow Trout (Salmo Gairdneri) by : William P. Dwyer
Download or read book Effect of Rapidly Changing Temperature on Plasma Chloride and Glucose Levels of Rainbow Trout (Salmo Gairdneri) written by William P. Dwyer and published by . This book was released on 1980 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Fisheries and Aquatic Sciences by :
Download or read book Canadian Journal of Fisheries and Aquatic Sciences written by and published by . This book was released on 1980 with total page 1094 pages. Available in PDF, EPUB and Kindle. Book excerpt:
