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Prenatal Development of Crocodylus niloticus niloticus Laurenti, 1768

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    0347390 - ÚEM 2011 RIV US eng J - Journal Article
    Peterka, Miroslav - Sire, J. Y. - Hovořáková, Mária - Procházka, Jan - Fougeirol, L. - Peterková, Renata - Viriot, L.
    Prenatal Development of Crocodylus niloticus niloticus Laurenti, 1768.
    Journal of Experimental Zoology Part B: Molecular and Developmental Evolution Additional Title Information. Roč. 314, č. 5 (2010), s. 353-368. ISSN 1552-5007
    R&D Projects: GA ČR(CZ) GA304/07/0223
    Institutional research plan: CEZ:AV0Z50390512
    Keywords : crocodiles * prenatal development
    Subject RIV: EA - Cell Biology
    Impact factor: 2.373, year: 2010

    To establish a background for future developmental studies on Crocodylus niloticus, we characterized its prenatal development in a collection comprising 169 animals during embryonic/incubation days 9-70. The characteristics included external morphology, head morphometry, and wet body weight determined before fixation. We also determined changes in basic measures of the head and of the wet body weight. Both morphological and morphometric characteristics showed an apparent inter-individual variability among animals of the same age. This variability decreased among animals of a similar body weight (irrespective of their age). Body weight can be considered as the most representative and complex parameter for crocodile staging reflecting the overall growth of a whole embryo/fetus.
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