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 19.26
Milk (kg) -204.00 -0.014 2.86
Fat (kg) -18.35 -0.375 6.87
Prot (kg) -21.60 -0.441 9.53
Fertility Sub Index 1.25
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) -0.45 1.117 -0.50
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.25
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.86 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 24.18

* Based on an €80/tonne carbon price