title: [Multiple forms of serum amylase and alkaline phosphatase in ontogenesis of Pekingese duck strain 102].
abstract: Blood serum amylase and alkaline phosphatase were studied in ontogenesis of 102 line Pekin ducks. It is established that in the individuals of the first generation the amount of the multiple enzyme forms decreased with ageing (in the studied periods of ontogenesis). Variations were also observed in a set of amylase and alkaline phosphatase in change of generations. These variations might be an evidence for shifts in the genic balance of a duckpopulation from a large commercial farm. This resulted in a considerable decrease of the duck live weight. An essential increase in the activity of multiple forms of blood serum amylase and alkaline phosphatase in the postnatal period of duck ontogenesis could correlate with ontogenetic variability of the repeats of the corresponding structural genes (DNA repeats), the variability being one of mechanisms regulating the duck growth.
mesh_terms: D000375:Aging; D000469:Alkaline Phosphatase / Q000097:blood*; D000681:Amylases / Q000097:blood*; D000818:Animals; D001797:Blood Protein Electrophoresis; D004372:Ducks / Q000254:growth & development*; D007527:Isoenzymes / Q000097:blood*
chemical_list: D007527:Isoenzymes; D000469:Alkaline Phosphatase; D000681:Amylases
vernacular_title: Mnozhestvennye formy amilazy i shchelochnoĭ fosfatazy syvorotki krovi v ontogeneze utok pekinskoĭ porody 102 linii.