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 13.04
Milk (kg) -201.00 -0.014 2.81
Fat (kg) -14.21 -0.375 5.32
Prot (kg) -11.10 -0.441 4.90
Fertility Sub Index -0.75
Calving Interval (days) 1.06 -1.459 -1.55
Survival (%) 0.71 1.117 0.79
Calving Sub Index -2.73
Gestation Length (days) 2.97 -0.919 -2.73
Beef Sub Index -1.98
Carcass Weight (kg) 2.10 -0.528 -1.11
Age of Slaughter (days) 2.03 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 10.36

* Based on an €80/tonne carbon price