4.1.2.Litter Entity
Figure - Litter Entity
The Litter Entity, shown in Figure , defines the attributes of a Litter.
A Litter is identified in the NDR by a combination of dam earbrand, sire earbrand, and service date.
The Dam, Sire and service date are known at the time of Service. The Whelping Date and Litter Dogs (if any), are known after Whelping has occurred. The earbrand and microchip no of each Litter Dog is known once Litter registration has occurred.
Note that only one Sire is associated with each Litter. Where multiple Sires were involved in creating a Litter, separate Litter records will be maintained for each Sire.
In order to maintain internal consistency between Litter and Dog entities, the NDR will automatically create Dog entities in the NDR when a Litter is registered. The NDR will create a Dog Entity for every dog in the Litter, using the following attributes:
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