Pregnancy-associated glycoproteins and pregnancy wastage in cattle

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Accurate diagnosis of non-pregnancy and prompt re-enlistment of ‘‘non-pregnant’’ cattle into an appropriate breeding protocol are essential components of successful reproductive programs. Various methods aimed at improving detection of pregnancy and identification of non-pregnant cows earlier and more accurately are the focus of previous review articles and beyond the scope of this manuscript. Recently, the ability to measure pregnancy-associated glycoproteins (PAGs) in cattle has changed how pregnancy and, more importantly, non-pregnancy are detected. This presentation provides an overview of current research on the pregnancyassociated glycoprotein family, and how these glycoproteins might be utilized as indicators of pregnancy wastage in cattle.

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