Table 2

Number of stillborn puppies per litter in relation to litter size and duration of parturition (hours from birth of the first to the last puppy).


Litter size
Duration of parturition (hours)



No. stillborn puppies per litter
n of litters
Math
SD
n of litters
Math
SD

0
65
6.9
2.9
55
7.0
4.2
1
12
8.7
1.9
10
10.6
4.2
2
8
8.4
2.5
7
9.1
2.6
3
9
9.1
2.4
9
18.2
7.8
>3
4
10.3
3.9
3
22.7
6.6

Sum/mean
98
7.6
2.9
84
9.5
6.9

Indrebø et al. Acta Veterinaria Scandinavica 2007 49(Suppl 1):S2   doi:10.1186/1751-0147-49-S1-S2