6.6.2.6 PeriodType
6.6.2.6.1 Purpose¶
Catalog of the kinds of period, such as lactation, dry, pregnancy and withdrawal, scoped to species.
6.6.2.6.2 Questions it answers¶
- Which kinds of period exist for a species?
6.6.2.6.3 Fields¶
| Field | Type | Cardinality | Description |
|---|---|---|---|
id |
string (uuid) |
1..1 |
Key. |
code |
string |
1..1 |
Unique. Initial values: lactation, dry, pregnancy, withdrawal, laying_cycle, fattening. |
name |
string |
1..1 |
|
applies_to |
AnimalType | 1..* |
|
created_at |
datetime |
1..1 |
|
updated_at |
datetime |
1..1 |
6.6.2.6.4 Relationships¶
References
PeriodType.applies_to→ AnimalType (1..*)
Referenced by
CanonicalPeriod.period_type(1..1)
6.6.2.6.5 Rules & constraints¶
- Catalog of period kinds.