Variation in yolk absorption and early growth of brook charr Salvelinus fontinalis (Mitchill), Arctic charr, Salvelinus alpinus (L.), and their hybrids.

absorption alevines biological differences chars crecimiento croissance fish larvae fishes growth hybridation hybride hybridization hybrids larve de poisson omble peces peso poids salvelino salvelinus salvelinus alpinus vitellus weight yema de huevo