Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 3.60
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -4.31 -0.441 1.90
Fertility Sub Index -4.15
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) -2.00 1.117 -2.23
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index 0.20
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index -0.52
Live WT (kg) 1.70 -0.307 -0.52
Total Carbon Sub Index -1.10

* Based on an €80/tonne carbon price