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  • 2
    Descripción: ...Titulo en ingles:  Weight and body condition of Zebu and Angus x Zebu cows in first calving...
  • 4
    Descripción: ...Titulo en Ingles: Genetic parameter estimates of age at first calving and calving interval...
  • 6
    Autores RONDÓN-BARRAGÁN, I.S, BRAGAGNINI DÍAZ, H.E
    Publicado 2006-09-01
    Descripción: ... of weak or clinically healthy but persistently infected calves. During gestation, the parasites reactivate...
  • 8
    Descripción: ... at first mating season = 21 ± 2 months, calving interval = 371.6 ± 13.2 days, age at first birth 31.8 ± 1.2...