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 2.89
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -0.60 -0.375 0.22
Prot (kg) -2.65 -0.441 1.17
Fertility Sub Index -0.77
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) -0.47 1.117 -0.53
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index -0.28
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.43 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 4.45
Live WT (kg) -14.50 -0.307 4.45
Total Carbon Sub Index 10.06

* Based on an €80/tonne carbon price