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Table 1 Numbers and proportion of Swedish female wild boars in puberty in different age classes, according to two previously used definitions

From: Puberty in female wild boar (Sus scrofa) in Sweden

Age class (months) N Females attained puberty (%) according to definition Aa Females attained puberty (%) according to definition Bb
5–8 99 7 (7.1) 79 (79.8)
7.5–12 41 9 (22.0) 37 (90.2)
12–15 35 13 (37.1) 34 (97.1)
Total 175 29 (16.6) 150 (85.7)
  1. aPresence of corpus luteum or previous signs of pregnancy in uterus [4, 23]
  2. bPresence of corpora luteum or ovarian follicles ≥4 mm [24]