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  • 1
    Descripción: ...Titulo en Ingles: Genetic parameter estimates of age at first calving and calving interval...
  • 6
    Descripción: ... at first mating season = 21 ± 2 months, calving interval = 371.6 ± 13.2 days, age at first birth 31.8 ± 1.2...
  • 11
    Descripción: ... and temporary interruption of suckling of the calves for 48 hours through the separation of mother and calf...