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Uterine Capacity And Ovulation Rate In Mice Selected 21 Generations On Alternative Criteria To Increase Litter Size, A. C. Clutter, Y. Kochera Kirby, Merlyn K. Nielsen
Uterine Capacity And Ovulation Rate In Mice Selected 21 Generations On Alternative Criteria To Increase Litter Size, A. C. Clutter, Y. Kochera Kirby, Merlyn K. Nielsen
Department of Animal Science: Faculty Publications
After 21 generations of selection for alternative criteria to change litter size in mice, responses in uterine capacity and ovulation rate were evaluated. Females from Generations 22 and 23 were sampled from 12 lines, representing three replicates of four selection criteria: LS = direct selection on litter size; M = selection on an index of ovulation rate and the proportion of ova shed that resulted in fully formed offspring; UT = selection on uterine capacity measured as litter size from females unilaterally ovariectomized at 4 wk of age; and LC = unselected control. All females in the present evaluation (a …