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Table 3 Descriptive data of placental characteristics summarised by groups.

From: Endocrine Profiles, Haematology and Pregnancy Outcomes of Late Pregnant Holstein Dairy Heifers Sired by Bulls Giving a High or Low Incidence of Stillbirth

Group (n)

Placental wt (kg)

Cotyledons (no./kg)

Intercotyledonary wt (kg)

Shedding time (h)

  

S

M

L

Total

  

A1* (4)

5.3 ± 1.8

35 ± 23/0.2 ± 0.1

65 ± 33/1.4 ± 0.5

19 ± 7/0.8 ± 0.2

119 ± 60/2.4 ± 0.7

2.8 ± 1.2

3.9 ± 1.0

A2* (4)

4.6 ± 0.9

35 ± 13/0.2 ± 0.1

51 ± 20/1.2 ± 0.4

17 ± 4/0.8 ± 0.3

102 ± 28/2.2 ± 0.4

2.5 ± 0.8

3.9 ± 0.9

B (7)

4.5 ± 1.2

38 ± 17/0.2 ± 0.1

55 ± 15/1.0 ± 0.2

20 ± 8/0.7 ± 0.3

113 ± 32/2.0 ± 0.4

2.4 ± 0.6

4.0 ± 0.9

  1. Group A1 = an index of stillbirth equal to 85; Group A2 = an index of stillbirth equal to 94; Group B = an index of stillbirth ranged between 100–111; n = the number of observations; S = small size, M = medium size, L = large size