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 4.74
Milk (kg) -67.00 -0.014 0.94
Fat (kg) -6.53 -0.375 2.45
Prot (kg) -3.07 -0.441 1.35
Fertility Sub Index -2.40
Calving Interval (days) 1.59 -1.459 -2.32
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -1.04
Gestation Length (days) 1.13 -0.919 -1.04
Beef Sub Index -3.14
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 4.35 -0.432 -1.88
Maintenance Sub Index Maint. Sub Index 1.69
Live WT (kg) -5.50 -0.307 1.69
Total Carbon Sub Index -0.16

* Based on an €80/tonne carbon price