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Table 2 Life-cycle categories.

From: Learning and strategic imitation in modelling farmers’ dynamic decisions on bovine viral diarrhoea vaccination

Name

Description

YFbirth

Young animals Fattened from Birth, i.e., animals under 6 months of age that will never calve (male calves and female calves not kept for breeding)

OFbirth

Old animals Fattened from Birth, i.e., animals over 6 months of age that will never calve (old male and female animals not kept for breeding)

YJ

Young Juveniles. Female calves kept for breeding, under 6 months of age

OJ

Old Juveniles. Female animals kept for breeding, between 6 months of age and the beginning of the first pregnancy

G

Gestating female

NG

Non-Gestating female, i.e., in the period between calving and the start of the next pregnancy

Fadult

Fattened Adult female, i.e., in the period between the last calving and culling