Table 1

Clinical and ultrasonographic features associated with cloprostenol induced early abortions in four Swedish Red and White heifers.

Clinical/Ultrasonographic Features
Heifer-1
Heifer-2
Heifer-3
Heifer-4

Stages of gestation* (days)
63
77
83
116
Heartbeat rate (beats per minute)
170–182
178–186
180–184
176–182
Foetal death post-CP treatment (Hrs)
< 24
< 24
24 – 48
24 – 48
Foetus/FM expelled** (Hrs)
56 – 72
80 – 96
75
80 – 96#
CRL of expelled foetus (cm)
9
12
15
30
Foetus expelled with unruptured FM
Yes
Yes
Yes
No#
Thick mucous vaginal discharge
Yes
Yes
No
No
Blood tinged vaginal discharge
No
No
Yes
Yes
Showed standing heat***
Yes
Yes
No
No

*on the day of cloprostenol treatment; **after cloprostenol treatment; ***within two days after abortion; #only the foetal membrane was expelled but the foetus was stacked in the vagina and removed manually; CP = cloprostenol; Hrs = hours; CRL = crown-rump length; FM = foetal membrane.

Lobago et al. Acta Veterinaria Scandinavica 2006 48:23   doi:10.1186/1751-0147-48-23