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AbstractFull Text

The aim was to assess differences among Brown Swiss (BS), Holstein (HO), BS × HO and HO × BS cows. Age (AFC) and weight at first calving (WFC) were analyzed with a simple model that included sire within breed group (SIRE) as a random effect, and breed group (BG), calving year (CY) and calving...

Author(s)
Calderón-Robles, R. C.; Ríos-Utrera, A.; Vega-Murillo, V. E.; Montaño-Bermúdez, M.; Martínez-Velázquez, G.; Román-Ponce, S. I.; Calderón-Chagoya, R.
Publisher
Pakistan Agricultural Scientists Forum, Lahore, Pakistan
Citation
JAPS, Journal of Animal and Plant Sciences, 2017, 27, 6, pp 1816-1821
Abstract

The aim of the present study was to estimate (co)variance components and genetic correlations of days open with milk yield per lactation, lactation length and metabolic weight in Holstein and Brown Swiss cows under subtropical conditions of Mexico. Cows were kept in an intensive rotational grazing...

Author(s)
Ríos-Utrera, Á.; Calderón-Robles, R. C.; Galavíz-Rodríguez, J. R.; Vega-Murillo, V. E.; Lagunes-Lagunes, J.
Publisher
Facultad de Ciencias Veterinarias, Universidad del Zulia, Maracaibo, Venezuela
Citation
Revista Cientifica, Facultad de Ciencias Veterinarias, Universidad del Zulia, 2015, 25, 1, pp 51-56
Abstract

Records of 354 Holstein Friesian (HF) and Brown Swiss (BS) cows born from 1986 to 2006 at Las Margaritas research station, under subtropical conditions of Mexico, were analyzed to estimate milk yield per lactation (MYL, n=1229), milk yield per day (MYD, n=1227), milk yield per calving interval...

Author(s)
Ríos-Utrera, Á.; Calderón-Robles, R. C.; Galavíz-Rodríguez, J. R.; Vega-Murillo, V. E.; Lagunes-Lagunes, J.
Publisher
Maxwell Scientific Organization, Birmingham, UK
Citation
International Journal of Animal and Veterinary Advances, 2013, 5, 6, pp 226-232
AbstractFull Text

The objective of this work was to estimate the genetic and phenotypic correlations among fertility traits of 317 Holstein Friesian and Brown Swiss cows. Cows were born and reared under subtropical conditions, during a 20-year period (1986 to 2006), and were daughters of 116 sires and 199 dams. The...

Author(s)
Ríos-Utrera, Á.; Calderón-Robles, R. C.; Rosete-Fernández, J. V.; Lagunes-Lagunes, J.
Publisher
Estacion Experimental Fabio Baudrit Moreno, Alajuela, Costa Rica
Citation
Agronomía Mesoamericana, 2010, 21, 2, pp 235-244
AbstractFull Text

The objective of this work was to estimate the heritability and repeatability of reproductive traits of Holstein cows reared in subtropical conditions. Records from 171 cows were analyzed, which were daughters of 67 sires and 100 dams. The cows were born from 1986 to 2006, in Las Margaritas...

Author(s)
Ríos-Utrera, Á.; Calderón-Robles, R. C.; Rosete-Fernández, J. V.; Lagunes-Lagunes, J.
Publisher
Estacion Experimental Fabio Baudrit Moreno, Alajuela, Costa Rica
Citation
Agronomía Mesoamericana, 2010, 21, 2, pp 245-253

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