Dynamics of body mass and oxygen consumption in the ontogeny of the Spanish ribbed newt (<Emphasis Type="Italic">Pleurodeles waltl</Emphasis>): 2. Larval stage |
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Authors: | I G Vladimirova S Yu Kleimenov T A Alekseeva |
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Institution: | 1.Kol’tsov Institute for Developmental Biology,Russian Academy of Sciences,Moscow,Russia |
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Abstract: | The correlation between characteristics of growth and energy metabolism during the larval stage of development of the Spanish
ribbed newt (Pleurodeles waltl) has been studied. During this period, its body mass is found to increase 140 times and the oxygen consumption rate, 77 times.
The highest rate of specific body mass increase and oxygen consumption rate are noted in the early larval stage. Later, these
characteristics decrease except for a brief period before completion of metamorphosis when the rate specific body mass increase
rises. Comparison of the studied characteristics allows us to note a similar pattern in changes of the specific growth rate
and the oxygen consumption rate during the premetamorphic development of the Spanish ribbed newt. |
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