Postpartum Period (days)

Postpartum period is the interval in days from calving to the subsequent service of the cow; depending on whether or not the service led to conception, the period is defined in two ways; the first is referred to as Postpartum period 1 or Calving to conception interval and it relates to the interval from calving to the subsequent effective service of a cow. The second is known as Postpartum period 2 or Calving to first service interval, which relates to the number of days from calving to the first subsequent service of a cow (Esslemont et al., 1985).
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