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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]