Fig 2. Genealogy chart for the artificial inseminations (AI) and natural breedings discussed in this study.

AI indicates artificial inseminations, including the original [21] and the backcross discussed in the present paper. Ovals represent females, and rectangles, males. Empty symbols show recent offspring not yet given identification numbers. The asterisk indicates that the female could have been bred by any combination of males CW2, CW3, CW4, or CW5. Dashed lines signify the periods over which individuals remained in the study.