Citation: Mc. Cordoba et al., Assessment of a commercially available early conception factor (ECF) test for determining pregnancy status of dairy cattle, J DAIRY SCI, 84(8), 2001, pp. 1884-1889
Citation: Pm. Fricke et Mc. Wiltbank, Effect of milk production on the incidence of double ovulation in dairy cows, THERIOGENOL, 52(7), 1999, pp. 1133-1143
Citation: Pm. Fricke et al., Efficacy of decreasing the dose of GnRH used in a protocol for synchronization of ovulation and timed AI in lactating dairy cows, THERIOGENOL, 50(8), 1998, pp. 1275-1284