Document Detail

Assessment of fetal well-being in cattle by ultrasonography in normal, high-risk, and cloned pregnancies.
MedLine Citation:
PMID:  21532817     Owner:  NLM     Status:  MEDLINE    
This study determined ultrasonographic parameters of fetuses and uterine adnexa in late pregnancy in normal, cloned, and high-risk pregnancies in relation to perinatal and neonatal outcome. Ten cows with normal pregnancies (CONTROL, mean pregnancy length 273 d), 10 sick cows with potentially compromised pregnancies (HIGH-RISK, mean pregnancy length 267 d), and 10 heifers with cloned pregnancies (CLONED, mean pregnancy length 274 d) were examined at more than 260 d of gestation. There was no difference in mean fetal heart rates among the groups. The cloned calves were heavier (57 ± 8 kg) than calves from CONTROL group (36 ± 7 kg), and calves from HIGH-RISK group (37 ± 13 kg) (P = 0.003). The diameter of the thoracic aorta was positively correlated (R = 0.62) with fetal birth weight in the CONTROL group (P = 0.01). Fetal activity was not associated with survival. The results suggest that transabdominal ultrasonographic assessment of the fetal well-being may serve as a potential tool for evaluation of the fetoplacental unit.
Sébastien Buczinski; Gilles Fecteau; Réjean C Lefebvre; Lawrence C Smith
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Canadian veterinary journal. La revue vétérinaire canadienne     Volume:  52     ISSN:  0008-5286     ISO Abbreviation:  Can. Vet. J.     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-05-02     Completed Date:  2011-07-27     Revised Date:  2013-06-30    
Medline Journal Info:
Nlm Unique ID:  0004653     Medline TA:  Can Vet J     Country:  Canada    
Other Details:
Languages:  eng     Pagination:  136-41     Citation Subset:  IM    
Département des Sciences Cliniques, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, Québec.
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MeSH Terms
Animals, Newborn
Cattle / physiology*
Cloning, Organism
Fetal Death / ultrasonography,  veterinary
Fetus / physiology*
Heart Rate, Fetal / physiology
Placenta / ultrasonography
Pregnancy Outcome / veterinary
Pregnancy, Animal / physiology*
Risk Factors
Ultrasonography, Prenatal / methods,  veterinary*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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