Document Detail

Position of the abomasum in dairy cows during the first six weeks after calving.
MedLine Citation:
PMID:  12408328     Owner:  NLM     Status:  MEDLINE    
The position of the abomasum in six cows was examined by ultrasonography at regular intervals for six weeks after they had calved. Its position was established by determining the distance between the margin of the left side of the abomasum and the ventral midline at two sites. During the last weeks of pregnancy, the abomasum was positioned in a small region of the left ventral side of the abdominal cavity. At parturition it was positioned high on the left side and then descended. The abomasum was furthest from the midline immediately after parturition. Its position was related to the interval after calving, the cow's feed intake, and the pH and osmotic pressure of the rumen fluid. There was considerable variation between the cows in the position of the abomasum, which was in part due to analytical variation, and in individual cows it had a circadian rhythm.
S C L Van Winden; C R Brattinga; K E Müller; J P T M Noordhuizen; A C Beynen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Veterinary record     Volume:  151     ISSN:  0042-4900     ISO Abbreviation:  Vet. Rec.     Publication Date:  2002 Oct 
Date Detail:
Created Date:  2002-10-31     Completed Date:  2003-02-11     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0031164     Medline TA:  Vet Rec     Country:  England    
Other Details:
Languages:  eng     Pagination:  446-9     Citation Subset:  IM    
Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, The Netherlands.
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MeSH Terms
Abomasum / anatomy & histology,  ultrasonography*
Postpartum Period*

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

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