retrospective study of sporadic bovine abortions, stillbirths, and neonatal abnormalities in Atlantic Canada, from 1990-2001

In a retrospective study on 265 cases of sporadic bovine abortions, stillbirths, and neonatal deaths in Atlantic Canada (1990 to 2001), an etiological diagnosis was made in 117 cases (44.2%). The cases were divided into 2 groups: 234 abortions, and 31 stillbirths and neonatal deaths. Identified caus...

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Bibliographic Details
Published in:Canadian veterinary journal 2005-07, Vol.46 (7), p.635-637
Main Authors: Khodakaram-Tafti, A, Ikede, B.O
Format: Article
Language:English
Subjects:
abortion (animals)
Abortion, Veterinary - epidemiology
Abortion, Veterinary - etiology
Abortion, Veterinary - microbiology
Animals
Animals, Newborn - abnormalities
bacterial infections
Bacterial Infections - complications
Bacterial Infections - veterinary
calves
Canada - epidemiology
Cattle
cattle diseases
congenital abnormalities
cows
disease diagnosis
dystocia
etiology
Female
fetal death
Fetal Death - epidemiology
Fetal Death - etiology
Fetal Death - veterinary
fetal development
inflammation
meconium aspiration syndrome
mycoses
Mycoses - complications
Mycoses - veterinary
neonatal mortality
neonates
placenta
Pregnancy
Pregnancy Complications, Infectious - epidemiology
Pregnancy Complications, Infectious - veterinary
pregnancy outcome
protozoal infections
Retrospective Studies
Scientific
viral diseases of animals and humans
Virus Diseases - complications
Virus Diseases - veterinary
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Summary:In a retrospective study on 265 cases of sporadic bovine abortions, stillbirths, and neonatal deaths in Atlantic Canada (1990 to 2001), an etiological diagnosis was made in 117 cases (44.2%). The cases were divided into 2 groups: 234 abortions, and 31 stillbirths and neonatal deaths. Identified causes of abortion were bacteria (24.4%), fungi (6.8%), viruses (6.0%), protozoa (Neospora spp.) (2.1%), congenital anomalies (0.4%), and miscellaneous conditions (1.3%). In addition, placentitis without demonstrable infectious agents was observed in 17 (7.3%). Of the 31 cases of stillbirth and neonatal death, identified causes were dystocia (22.5%), congenital anomalies (22.5%), meconium aspiration syndrome (16.1%), and miscellaneous conditions (6.5%). No etiological diagnosis was made in 59% of abortions and 32.4% of stillbirths and neonatal deaths. The 3 most common identifiable causes of abortion in this study were bacterial, fungal, and viral infections.
ISSN:0008-5286