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Methodology survival analysis model with Weibull proportional hazards was used to study Holstein cattle duration of functional productive life (FPL) in Mexico, using a model sire-maternal grandsire with Survival Kit V3.12 software. The FPL was calculated as the number of days between the date of...

Abadía Rojas, J. R.; Ruíz López, F. de J.; Vega Murillo, V. E.; Montaldo, H. H.
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Revista Mexicana de Ciencias Pecuarias, 2016, 7, 1, pp 1-14
AbstractFull Text

The objective of this study was to evaluate genotype × environment interaction (G × E) between Canada, the United States and Mexico for fertility and milk yield traits using genetic correlations between countries estimated from genetic evaluations of sires. Genetic correlation between Mexican and...

Montaldo, H. H.; Pelcastre-Cruz, A.; Castillo-Juárez, H.; Ruiz-López, F. J.; Miglior, F.
Spanish National Institute for Agricultural and Food Research and Technology (INIA), Madrid, Spain
Spanish Journal of Agricultural Research, 2017, 15, 2, pp e0402