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 8.01
Milk (kg) -77.00 -0.014 1.08
Fat (kg) -5.78 -0.375 2.16
Prot (kg) -10.81 -0.441 4.77
Fertility Sub Index -24.21
Calving Interval (days) 12.72 -1.459 -18.56
Survival (%) -5.06 1.117 -5.65
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index -2.64
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 12.83 -0.432 -5.54
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -18.14

* Based on an €80/tonne carbon price