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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