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Abstract

Polynomial regression models of the first, second, and third order were used to fit milk production deviations of daughters in Mexico on Canadian and US predicted transmitting ability values for 305-d mature-equivalent milk production (kg). For the pairs Canada-Mexico and Mexico-United States, 40...

Author(s)
Montaldo, H. H.; Núñez-Soto, S. G.; Ruiz-López, F. J.; Castillo-Juárez, H.
Publisher
American Dairy Science Association, Savoy, USA
Citation
Journal of Dairy Science, 2009, 92, 10, pp 5270-5275
Abstract

Length of productive life is an important economic trait in dairy cattle that has shown to have a genetic component and thus, it is subject to improvement through selection. Lifetime records of 13,659 Holstein cows from 72 herds, calving for the first time between January 2000 and December 2014 and ...

Author(s)
Garcia-Ruiz, A.; Ruiz-Lopez, F. J.; Vazquez-Pelaez, C. G.; Valencia-Posadas, M.
Publisher
Academic Journals, Lagos, Nigeria
Citation
International Journal of Livestock Production, 2016, 7, 9, pp 66-75
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...

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

In order to estimate the genetic parameters and correlations between total lactation milk yield and growth traits in a multiracial population of dual purpose cattle in tropical environments of Mexico, genetic variances and covariances were estimated between total milk yield during the first (PTL1...

Author(s)
Román-Ponce, S. I.; Ruiz-López, F. J.; Romano-Muñoz, J. L.; Vásquez-Peláez, C. G.; Vega-Murillo, V. E.; Román-Ponce, H.
Publisher
Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), Mexico City, Mexico
Citation
Revista Mexicana de Ciencias Pecuarias, 2018, 9, 2, pp 316-327
Abstract

Genealogical information is an essential tool for carrying out any genetic improvement program. The objective of this study was to determine the accuracy of pedigree information in the Mexican registered Holstein population using genomic data available in Mexico and for the US Holstein population....

Author(s)
García-Ruiz, A.; Wiggans, G. R.; Ruiz-López, F. J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 2, pp 1806-1810

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