[PDF] LA REPRODUCTION . La fécondation 1.

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1.1Les chaleurs ou oestrus .......................................................................................... 2

1.2.Quand inséminer ? ................................................................................................. 4

2.1.La migration des gamètes femelles. ....................................................................... 5

2.2.La migration des gamètes mâles. ........................................................................... 5

3.1.Le piégeage des spermatozoïdes et la traversée des enveloppes de l'ovocyte. ...... 7

3.2.La fusion des noyaux. ............................................................................................. 9

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