any measurable or observable characteristic related to the period of time between teat cup attachment and teat cup removal
SeaBreamAbsent
TroutAbsent
GooseAbsent
SheepPresent
SalmonAbsent
INRA:PHASE "INRA PHASE"
CodAbsent
TilapiaAbsent
DuckAbsent
HorseAbsent
QuailAbsent
CattlePresent
SeaBassAbsent
SoleAbsent
TurkeyAbsent
MouseAbsent
ChickenAbsent
ZebraFishAbsent
CarpAbsent
RabbitAbsent
milking duration
milking duration
GoatPresent
PigAbsent
RDF description of milking duration