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 7.15
Milk (kg) 96.00 -0.014 -1.34
Fat (kg) -13.28 -0.375 4.97
Prot (kg) -7.98 -0.441 3.52
Fertility Sub Index -3.96
Calving Interval (days) 1.91 -1.459 -2.79
Survival (%) -1.05 1.117 -1.17
Calving Sub Index -0.31
Gestation Length (days) 0.34 -0.919 -0.31
Beef Sub Index 0.31
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 2.47 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index 3.50

* Based on an €80/tonne carbon price