Oxygen Tension in Blood, Skeletal Muscles and Tissue Metabolism Peculiarities of Liza aurata Risso Under Experimental Hypothermia
Keywords:hypothermia, skeletal muscles, oxygen tension, tissue hypoxia, anaerobic processes, sea fishes
Influence of temperature within 1...15Â°Ð¡ range on oxygen tension and metabolic processes orientation in skeletal muscles of Liza aurata Risso was investigated under experiment conditions. It was shown, that hypothermia (5Â°Ð¡ and lower) caused the development of tissue hypoxia. This phenomenon was of secondary character and was connected with increase of number hypoxic zones in a muscular tissue, decrease muscle and venous Ð O2. It resulted to activation of anaerobic in muscles. It reflects a rise of the lactate content, decrease of ATP level and also fall of pH value in venous blood. At temperatures close to 5Â°Ð¡ in a mullet organism marked development of compensation processes. They have been shown in full or partial restoration Ð O2 in muscles and venous blood atÂ parallel suppression anaerobic processes. Their efficiency was lost with temperature fall. At 1...2Â°Ð¡ they were not revealed at all.
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Copyright (c) 2020 A. A. Soldatov, I. A. Parfyonova
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