For the majority of dairy herds where artificial insemination (AI) is practiced, the limiting
factor toward obtaining efficient reproductive performance is the failure to detect oestrus in a …

For herds using AI heat detection rate and calving rate are the two major determinants of
compactness of calving, of the proportion of cows that fail to conceive in a defined breeding …

French. Dans les troupeaux laitiers ou pratiquement toutes les gestations sont obtenues a la
suite d'une insemination artificielle, une detection de l'oestrus erronee et/ou inefficace se …

Numerous efforts have been directed toward developing procedures for preselecting the
gender of offspring. Recently, Wehner et al.(1997) reported that timing of insemination could …