Table 20 in SYNOPSIS OF THE BIOLOGICAL DATA ON THE LOGGERHEAD SEA TURTLE CARETTA CARETTA (LINNAEUS 1758)

Table 20. Biochemical changes during development of the loggerhead embryo (adapted from Miller 1985). Function/chemistryActivity during incubationReferenceFree glucosedecreasesTomita (1929)Lactic aciddecreases <15 dSendju (1929a)increases>15 dFree cholesterolshifts to ester formsKusui (1930)Total cholesteroldecreasesKusui (1930)Glutathioneincreases late incubationTomita (1929)Inorganic phosphorusincreases in embryo decreases in yolkKarashima (1929a)Organic phosphatepresent as 2,3 -DPG in erythrocytesIsaacks et al. (1978)Inositol pentaphosphateabsent in red blood cellsIsaacks et al. (1978)Free fatty acidsconstantKarashima (1929 *)Water-soluble and insoluble fatty acidsconstantKarashima (1929 *)Total fatty acidsdecreasesKarashima (1929a)TryptophanedecreasesSendju (1929 *)TyrosinedecreasesSendju (1929 *)CystinedecreasesSendju (1929 *)ArgininedecreasesSendju (1929 *)HistidineincreasesSendju (1929 *)LysinevariesSendju (1929 *)Purine-based amino acidsincreasesSendju (1929 *)Urea productiongreater than uric acidTomita (1929)Total nitrogendecreasesNakamura (1929)Total ash in eggconstantKarashima (1929a)Ash in yolk and albumindecreasesKarashima (1929a)Ash in amniotic and allantoic fluidsincreasesKarashima (1929a)Ash content of yolk0.9 ± 0.1 %Kraemer and Bennett (1981)Ash content of hatchling16.43 + 2.93 %Kraemer and Bennett (1981)Magnesium> in embryo than eggKarashima (1929a)Magnesium<in embryo than eggBustard et al. (1969)Calciumincreases in embryoKarashima (1929a); Bustard et al. (1969)Calcium62 % from egg shellBustard et al. (1969)Ash-free dry mass in yolk7,949 ± 132 cal/gKraemer and Bennett (1981)Ash-free dry mass in hatchling6,712 ± 29 cal/gKraemer and Bennett (1981)Moisture content of yolk44.9 %Kraemer and Bennett (1981)Moisture content of hatchling72.0 %Kraemer and Bennett (1981)Posthatching yolk metabolism50 % between hatching and emergenceKraemer and Bennett (1981)Water absorption during incubation50 %Cunningham and Hurwitz (1936)