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Estimation of economic values of indices for reproductive performance in dairy herds using computer simulation
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Early conception factor (ECF™) dipstick test for non-conception determination in cattle (abstract)
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Evaluation of the early conception factor (ECF™) test in cows 3-7 days post breeding (abstract)
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Evaluation of the early conception factor (ECF™) dip stick test in dairy cows between days 11 and 15 post-breeding
DesCoteaux L, Carriere PD, Bigras-Poulin, M. Evaluation of the early conception factor (ECF™) dip stick test in dairy cows between days 11 and 15 post-breeding. Bovine Pract 2000;34:87-91.
Olfert DE, Cross BM, McWilliam AA, eds, 2nd ed. Ottawa: Canadian Council on Animal Care
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Assessment of a commercially available early conception factor (ECF) test for determining pregnancy status of dairy cattle
Cordoba MC, Sartori R, Fricke PM. Assessment of a commercially available early conception factor (ECF) test for determining pregnancy status of dairy cattle. J Dairy Sci 2001;84:1884-1889.
Evaluation of the early conception factor (ECF™) test for the detection of nonpregnancy in dairy cattle
Gandy B, Tucker W, Ryan P, et al. Evaluation of the early conception factor (ECF™) test for the detection of nonpregnancy in dairy cattle. Theriogenology 2001;56:637-647.
Early conception factor test for determination of pregnancy/non-pregnancy status in virgin Holstein heifers (abstract)
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