RAMÍREZ VALVERDE, R.; RUÍZ FLORES, A.; GARCÍA MUNIZ, J. G.; NÚÑEZ DOMÍNGUEZ, R.; MERAZ ALVARADO, M. D. R. Comparison of Equations to Estimate Lactation Curves Using Different Sampling Strategies in Angus and Brown Swiss Cattle and Their Crosses. Vet Mex OA 2009, 35.