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 9.54
Milk (kg) -271.00 -0.014 3.79
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -9.59 -0.441 4.23
Fertility Sub Index -11.29
Calving Interval (days) 6.02 -1.459 -8.78
Survival (%) -2.24 1.117 -2.50
Calving Sub Index 1.94
Gestation Length (days) -2.11 -0.919 1.94
Beef Sub Index -0.17
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 2.32

* Based on an €80/tonne carbon price