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Weight of pups on day of birth compared with genotype and sex. A) Pups from Gpr54 large litters (n = 47). B) Pups from Gpr54 small litters (n = 41). C) Pups from Kiss1 large litters (n = 57) D) Pups from Kiss1 small litters (n = 30). Mean values are shown. F, female; M, male. There was no statistically significant difference between any of the categories (One-way ANOVA).
