Pat Lonergan

School of Agriculture and Food Science, University College Dublin, Belfield, Dublin, Ireland

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Figure 1. Elongating bovine conceptuses recovered from the same uterus at slaughter on day 14 following transfer of day 7 in vitro produced blastocysts. Note the variation in conceptus length. Multiple embryo transfer studies allow repeated measures of the ability of the uterine environment to support conceptus development and highlight that there is an intrinsic oocyte/embryo component to elongation, as reflected in the variation in conceptus size from the same uterus.
Cattle

The importance of progesterone in pregnancy establishment in cattle

High P4 concentrations during the growth of the ovulatory follicle are associated with improved oocyte quality and pregnancy outcomes (Pursley and Martins, 2012; Wiltbank et al, 2014; Bisinotto et al,...