Characteristics of bovine early puerperal uterine contractility recorded under farm conditions

A non-invasive, digital technique was used to measure and quantify intrauterine pressure (IUP) changes in early postpartum dairy cows kept under farm conditions in order to document physiological changes in uterine contractility after uncomplicated calvings. In addition, possible relationships betwe...

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Bibliographic Details
Published in:Theriogenology 2005-07, Vol.64 (1), p.99-111
Main Authors: Bajcsy, Árpád Csaba, Szenci, Ottó, Doornenbal, Arie, Weijden, Gijsbert C. van der, Csorba, Csaba, Kocsis, László, Szűcs, Imre, Ostgard, Stig, Taverne, Marcel A.M.
Format: Article
Language:English
Subjects:
Animals
Calcium - blood
Cations, Divalent
Cattle - physiology
Dairy cows
Early puerperium
electrolytes
Farm conditions
Female
Ionized calcium
muscle contraction
postpartum period
Postpartum Period - physiology
Pressure
Uterine Contraction - physiology
Uterine contractions
uterus
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Summary:A non-invasive, digital technique was used to measure and quantify intrauterine pressure (IUP) changes in early postpartum dairy cows kept under farm conditions in order to document physiological changes in uterine contractility after uncomplicated calvings. In addition, possible relationships between characteristics of uterine contractility and blood ionized calcium (Ca 2+)-concentrations were investigated. Recordings of uterine contractility were made by using a transcervically inserted open tip catheter in 12 healthy cows during their first 48 h after calving. The IUP recording technique appeared easily applicable under farm conditions. Although mean frequency (FREQ), amplitude (AMP) and area under the curve (AUC) of the myometrial contractions significantly decreased due to time, untreated early postpartum cows showed a high variability in characteristics of uterine contractility. There was no correlation between blood Ca 2+-concentrations and any of the contractility parameters.
ISSN:0093-691X
1879-3231
DOI:10.1016/j.theriogenology.2004.11.005