Studies on canine pregnancy using B-mode ultrasound: Development of the conceptus and determination of gestational age |
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| Authors: | GCW England W Edward Allen D J Porter |
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| Institution: | Department of Surgery and Obstetrics, Royal Veterinary College, University of London, Hawkshead House, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire |
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| Abstract: | Development of the conceptus was characterised using B-mode ultrasound in a standard size of dog (labrador retrievers, golden retrievers and their crosses; weight range 22 to 30 kg). Growth curves were established for various measurements of the conceptuses. Regression equations allowed the prediction of the expected time of parturition. Multiple regression analysis of two measurements (biparietal diameter and trunk diameter) resulted in an increase in the confidence of prediction. |
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